Sussex County, DE Water Quality Guide
County-level water-system mapping, municipality links, CCR availability, and private-well context for Sussex County.
About Sussex County, DE Water
Sussex County is not one water system. Municipal systems, investor-owned utilities, subdivisions, noncommunity systems, and private wells may all occur in the county.
Local Delaware water context for Sussex County
Sussex's coastal and inland groundwater systems include Columbia, Columbia-Pocomoke, Pocomoke, Manokin, and related aquifers monitored by DNREC. Coastal properties from Lewes through Fenwick Island may need chloride/salinity attention, while agricultural and shallow-well properties should discuss nitrate/nitrite testing.
If the property is on public water, confirm the PWSID and CCR. If it is on a private well, start with the Delaware DPH bacteria/chemistry kits and add chloride/salinity or nitrate based on the site.
| Question | Useful local starting point |
|---|---|
| Public water | Confirm the exact PWS ID in Delaware Drinking Water Watch or on the current bill. |
| Service territory | Review the official Delaware PSC CPCN water-territory GIS layer as a utility-territory discovery tool; it is not an address-level guarantee. |
| Private well | Review the DNREC well permit/record and water-use/water-level data, then use a certified laboratory or Delaware DPH testing resources. |
| UD/DGS research context | For aquifer, groundwater, and regional research context, review DGS/UD saltwater-intrusion research and the DGS groundwater-quality dataset. These sources are not address-level tap-water results. |
| Data-source guide | Use the Delaware water data-source guide to interpret PWS, CCR, well, territory, and lab records. |
| Before treatment | Match the system to the actual CCR or test result; a municipality is not one water system. |
Water system providers for Sussex County, DE
Provider rows are based on EPA service-area relationships and may include modeled boundaries. Confirm the exact system through Delaware Drinking Water Watch or your current bill.
| PWS ID | System | Provider | Contact | Mapping status | Official links |
|---|---|---|---|---|---|
DE0000155 | BRIDGEVILLE MALL (TUI) | BRIDGEVILLE MALL (TUI) | See utility / DWW record | Federal agency; Area type: Restaurant; Model: Random Forest; Mapped overlap: 0.049054 | Provider website Drinking Water Watch |
DE0000221 | BETHANY BAY PUMP DISTRICT | BETHANY BAY PUMP DISTRICT | See utility / DWW record | Federal agency; Area type: Residential Area; Model: Decision Tree; Mapped overlap: 0.995402 | Provider website Drinking Water Watch |
DE0000246 | SEAFORD WATER DEPARTMENT | SEAFORD WATER DEPARTMENT | See utility / DWW record | EPA service-area relationship; Area type: Municipality; Mapped overlap: 0.73511 | Provider website Drinking Water Watch |
DE0000251 | HENLOPEN ACRES, TOWN OF | HENLOPEN ACRES, TOWN OF | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.105909 | Provider website Drinking Water Watch |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | LAUREL VILLAGE MOBILE HOME PARK | See utility / DWW record | Federal agency; Area type: Mobile Home Park; Model: Random Forest; Mapped overlap: 0.001327 | Provider website Drinking Water Watch |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | CAPE WINDSOR COMMUNITY ASSOCIATION INC | See utility / DWW record | Federal agency; Area type: Mobile Home Park; Model: Random Forest; Mapped overlap: 0.209857 | Provider website Drinking Water Watch |
DE0000523 | HOLIDAY ACRES, LLC | HOLIDAY ACRES, LLC | See utility / DWW record | Federal agency; Area type: Mobile Home Park; Model: Random Forest; Mapped overlap: 0.000254 | Provider website Drinking Water Watch |
DE0000556 | BETHANY BEACH WATER DEPARTMENT | BETHANY BEACH WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 3.6e-05 | Provider website Drinking Water Watch |
DE0000557 | SUSSEX SHORES WATER COMPANY | Sussex Shores Water Company | 1-302-539-7611 | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.036153 | Drinking Water Watch |
DE0000558 | GREENWOOD WATER DEPARTMENT | GREENWOOD WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.871188 | Provider website Drinking Water Watch |
DE0000559 | BRIDGEVILLE WATER DEPARTMENT | BRIDGEVILLE WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Decision Tree; Mapped overlap: 0.000715 | Provider website Drinking Water Watch |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | DELMAR UTILITY COMM (TN OF DELMAR) | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.32855 | Provider website Drinking Water Watch |
DE0000568 | HOLLY OAK MOBILE HOME PARK | HOLLY OAK MOBILE HOME PARK | See utility / DWW record | Federal agency; Area type: Mobile Home Park; Model: OSM; Mapped overlap: 0.031635 | Provider website Drinking Water Watch |
DE0000569 | STAGE VILLAGE MHC | STAGE VILLAGE MHC | See utility / DWW record | Federal agency; Area type: Mobile Home Park; Model: Random Forest; Mapped overlap: 0.000221 | Provider website Drinking Water Watch |
DE0000592 | GEORGETOWN WATER DEPARTMENT | GEORGETOWN WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Decision Tree; Mapped overlap: 0.511286 | Provider website Drinking Water Watch |
DE0000597 | LAUREL WATER DEPARTMENT | LAUREL WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.515452 | Provider website Drinking Water Watch |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | LEWES BOARD OF PUBLIC WORKS | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.490037 | Provider website Drinking Water Watch |
DE0000616 | MILFORD WATER DEPARTMENT | MILFORD WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.45272 | Provider website Drinking Water Watch |
DE0000622 | MILLSBORO WATER DEPARTMENT | MILLSBORO WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Decision Tree; Mapped overlap: 0.651456 | Provider website Drinking Water Watch |
DE0000629 | MILTON WATER DEPARTMENT | MILTON WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Decision Tree; Mapped overlap: 0.746086 | Provider website Drinking Water Watch |
DE0000651 | MOBILE GARDENS I | MOBILE GARDENS I | See utility / DWW record | Federal agency; Area type: Mobile Home Park; Model: Parcel; Mapped overlap: 0.012079 | Provider website Drinking Water Watch |
DE0000654 | SELBYVILLE WATER DEPARTMENT | SELBYVILLE WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Decision Tree; Mapped overlap: 0.48667 | Provider website Drinking Water Watch |
DE0000723 | REHOBOTH BEACH WATER DEPARTMENT | REHOBOTH BEACH WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.690992 | Provider website Drinking Water Watch |
DE0000825 | DEWEY BEACH WATER DEPARTMENT | DEWEY BEACH WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.575204 | Provider website Drinking Water Watch |
DE0000865 | BLADES, TOWN OF | BLADES, TOWN OF | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.001473 | Provider website Drinking Water Watch |
DE0002618 | SLAUGHTER BEACH PWS | Slaughter Beach Water Company | 1-302-422-9645 | Water Utility; Area type: Municipality; Mapped overlap: 0.374014 | Drinking Water Watch |
DE0020027 | OCEAN VIEW WATER DEPARTMENT | OCEAN VIEW WATER DEPARTMENT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Random Forest; Mapped overlap: 0.004429 | Provider website Drinking Water Watch |
DE0020052 | INGRAM VILLAGE (AWC) | INGRAM VILLAGE (AWC) | See utility / DWW record | Water Utility; Area type: Residential Area; Mapped overlap: 0.271383 | Provider website Drinking Water Watch |
DE0020112 | GREATER ELLENDALE WATER DISTRICT | GREATER ELLENDALE WATER DISTRICT | See utility / DWW record | Federal agency; Area type: Residential Area; Model: Decision Tree; Mapped overlap: 0.498083 | Provider website Drinking Water Watch |
DE00A0169 | MALLARD LAKES | MALLARD LAKES | See utility / DWW record | Federal agency; Area type: Residential Area; Model: Random Forest; Mapped overlap: 0.057989 | Provider website Drinking Water Watch |
DE00A0323 | ARTESIAN SOUTHERN SUSSEX REGIONAL | Artesian Water Company | 1-800-332-5114 | Water Utility; Area type: Residential Area; Mapped overlap: 0.989206 | Provider website Drinking Water Watch |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | CLEARBROOKE ESTATES PUMP DISTRICT | See utility / DWW record | Federal agency; Area type: Residential Area; Model: Random Forest; Mapped overlap: 5.1e-05 | Provider website Drinking Water Watch |
DE00A0327 | GREEN ACRES PUMP DISTRICT | GREEN ACRES PUMP DISTRICT | See utility / DWW record | Federal agency; Area type: Residential Area; Model: Random Forest; Mapped overlap: 0.000451 | Provider website Drinking Water Watch |
DE00A0369 | WEBBS LANDING PUMP DISTRICT | WEBBS LANDING PUMP DISTRICT | See utility / DWW record | Federal agency; Area type: Residential Area; Model: Random Forest; Mapped overlap: 1e-06 | Provider website Drinking Water Watch |
DE00A0799 | DAGSBORO WATER DEPT | DAGSBORO WATER DEPT | See utility / DWW record | Federal agency; Area type: Municipality; Model: Decision Tree; Mapped overlap: 0.333978 | Provider website Drinking Water Watch |
Not mapped | No EPA service-area match in current dataset | Confirm through Delaware Drinking Water Watch | See DWW / municipality | No current EPA service-area intersection; not an address-level conclusion | Drinking Water Watch |
System details and report coverage
| System / PWS ID | System type | Sample year(s) | Report year(s) | Coverage status | Official record |
|---|---|---|---|---|---|
DE0000155BRIDGEVILLE MALL (TUI) | community-water-system | 2025, 2024, 2023, 2022 | 2025, 2024 | Extracted contaminant rows available | Official record/report source |
DE0000221BETHANY BAY PUMP DISTRICT | community-water-system | 2025, 2024 | 2025, 2024 | Extracted contaminant rows available | Official record/report source |
DE0000246SEAFORD WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000251HENLOPEN ACRES, TOWN OF | community-water-system | 2024, 2021 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000265LAUREL VILLAGE MOBILE HOME PARK | community-water-system | 2024 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000439CAPE WINDSOR COMMUNITY ASSOCIATION INC | community-water-system | 2024 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000523HOLIDAY ACRES, LLC | community-water-system | 2024, 2022 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000556BETHANY BEACH WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000557SUSSEX SHORES WATER COMPANY | community-water-system | 2025, 2024, 2022 | 2026, 2024 | Extracted contaminant rows available | Official record/report source |
DE0000558GREENWOOD WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000559BRIDGEVILLE WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000567DELMAR UTILITY COMM (TN OF DELMAR) | community-water-system | 2024, 2019 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000568HOLLY OAK MOBILE HOME PARK | community-water-system | 2024, 2019 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000569STAGE VILLAGE MHC | community-water-system | 2024, 2023, 2019 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000592GEORGETOWN WATER DEPARTMENT | community-water-system | 2024 | 2025 | Extracted contaminant rows available | Official record/report source |
DE0000597LAUREL WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000602LEWES BOARD OF PUBLIC WORKS | community-water-system | 2024, 2023 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000616MILFORD WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000622MILLSBORO WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000629MILTON WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000651MOBILE GARDENS I | community-water-system | 2024, 2022 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0000654SELBYVILLE WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000723REHOBOTH BEACH WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000825DEWEY BEACH WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0000865BLADES, TOWN OF | community-water-system | 2024, 2022 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0002618SLAUGHTER BEACH PWS | community-water-system | 2024, 2020 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0020027OCEAN VIEW WATER DEPARTMENT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE0020052INGRAM VILLAGE (AWC) | community-water-system | 2024, 2020 | 2024 | Extracted contaminant rows available | Official record/report source |
DE0020112GREATER ELLENDALE WATER DISTRICT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE00A0169MALLARD LAKES | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE00A0323ARTESIAN SOUTHERN SUSSEX REGIONAL | community-water-system | 2025/2026 | 2025/2026 | Current report source indexed | Official record/report source |
DE00A0326CLEARBROOKE ESTATES PUMP DISTRICT | community-water-system | 2025 | 2025 | Extracted contaminant rows available | Official record/report source |
DE00A0327GREEN ACRES PUMP DISTRICT | community-water-system | 2025 | 2025 | Extracted contaminant rows available | Official record/report source |
DE00A0369WEBBS LANDING PUMP DISTRICT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
DE00A0799DAGSBORO WATER DEPT | community-water-system | 2025/2026 | 2025/2026 | PWS record mapped; local contaminant row not parsed | Official record/report source |
Reported contaminant data and report status for Sussex County, DE
| PWS ID | System | Data point | Reported level/status | Limit or context | Comparison | Sample year | Report year | Source PDF page | Source |
|---|---|---|---|---|---|---|---|---|---|
DE0000155 | BRIDGEVILLE MALL (TUI) | Alkalinity, Total | 62.84 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Chloride | 42.3112 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Sodium | 44.095 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Sulfate | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Manganese | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 49 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2023 | 2024 | 49 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 49 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Barium | 0.17 ppm | 2 | Below | 2025 | 2025 | 19 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Chloride | 42 ppm | 250 secondary | Below | 2025 | 2025 | 19 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Chlorine | 1.77 ppm | 4 MRDL | Below | 2025 | 2025 | 19 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Nitrate | 1.0 ppm | 10 | Below | 2025 | 2025 | 19 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Sodium | 43 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 19 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Total hardness | 19 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 19 | Source |
DE0000155 | BRIDGEVILLE MALL (TUI) | Total trihalomethanes | 1.34 ppb | 80 | Below | 2025 | 2025 | 19 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Alkalinity, Total | 112 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 23 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Chloride | 63.5013 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 23 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 23 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Sodium | 54.0013 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 23 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Sulfate | 1.6968 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 23 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Manganese | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 35 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Barium | 0.052 ppm | 2 | Below | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Chloride | 30 ppm | 250 secondary | Below | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Free chlorine | 1.61 ppm | 4 MRDL | Below | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Nitrate | 5.7 ppm | 10 | Below | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Sodium | 54 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Total haloacetic acids | 23.31 ppb | 60 | Below | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Total hardness | 49 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 17 | Source |
DE0000221 | BETHANY BAY PUMP DISTRICT | Total trihalomethanes | 21.68 ppb | 80 | Below | 2025 | 2025 | 17 | Source |
DE0000246 | SEAFORD WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000251 | HENLOPEN ACRES, TOWN OF | Alkalinity, Total | 22.72 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 173 | Source |
DE0000251 | HENLOPEN ACRES, TOWN OF | Chloride | 55.8864 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 173 | Source |
DE0000251 | HENLOPEN ACRES, TOWN OF | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 173 | Source |
DE0000251 | HENLOPEN ACRES, TOWN OF | Sodium | 33.5329 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 173 | Source |
DE0000251 | HENLOPEN ACRES, TOWN OF | Sulfate | 27.9511 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 173 | Source |
DE0000251 | HENLOPEN ACRES, TOWN OF | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2021 | 2024 | 187 | Source |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | Alkalinity, Total | 11.8 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 211 | Source |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | Chloride | 6.5246 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 211 | Source |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | Iron | 1.5394 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 211 | Source |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | Sodium | 6.1189 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 211 | Source |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | Sulfate | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 211 | Source |
DE0000265 | LAUREL VILLAGE MOBILE HOME PARK | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 225 | Source |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | Alkalinity, Total | 74.64 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 57 | Source |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | Chloride | 25.2989 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 57 | Source |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 57 | Source |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | Sodium | 43.5219 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 57 | Source |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | Sulfate | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 57 | Source |
DE0000439 | CAPE WINDSOR COMMUNITY ASSOCIATION INC | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 67 | Source |
DE0000523 | HOLIDAY ACRES, LLC | Alkalinity, Total | 81.48 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 177 | Source |
DE0000523 | HOLIDAY ACRES, LLC | Chloride | 56.3491 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 177 | Source |
DE0000523 | HOLIDAY ACRES, LLC | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 177 | Source |
DE0000523 | HOLIDAY ACRES, LLC | Sodium | 8.412 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 177 | Source |
DE0000523 | HOLIDAY ACRES, LLC | Sulfate | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 177 | Source |
DE0000523 | HOLIDAY ACRES, LLC | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 191 | Source |
DE0000556 | BETHANY BEACH WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000557 | SUSSEX SHORES WATER COMPANY | Alkalinity, Total | 34.8 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 353 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Chloride | 48.2359 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 353 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Iron | 0.215 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 353 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Sodium | 29.8463 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 353 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Sulfate | 12.2611 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 353 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Manganese | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 357 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 357 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 357 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Chloride | 188.1 ppm detected level | 250 secondary | Below | 2025 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Sodium | 159.4 ppm detected level | 50; report table context | Reported | 2025 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Sulfate | 25.3 ppm detected level | 250 secondary | Below | 2025 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Copper, 90th percentile | 1.15 ppm | 1.3 action level | Below | 2025 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Nitrate | 2.7 ppm | 10 | Below | 2025 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Total trihalomethanes | 32 ppb | 80 | Below | 2025 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Total haloacetic acids | 15 ppb | 60 | Below | 2024 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Chlorine | 1 ppm | 4 MRDL | Below | 2024 | 2026 | 3 | Source |
DE0000557 | SUSSEX SHORES WATER COMPANY | Combined radium 226/228 | 1.36 pCi/L | 5 | Below | 2022 | 2026 | 3 | Source |
DE0000558 | GREENWOOD WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000559 | BRIDGEVILLE WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Alkalinity, Total | 8.96 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 101 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Chloride | 14.5352 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 101 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 101 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Sodium | 12.9563 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 101 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Sulfate | 8.3243 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 101 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Manganese | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2019 | 2024 | 115 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 115 | Source |
DE0000567 | DELMAR UTILITY COMM (TN OF DELMAR) | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2019 | 2024 | 115 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Alkalinity, Total | 9.76 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 181 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Chloride | 8.4647 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 181 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 181 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Sodium | 11.0887 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 181 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Sulfate | 23.7854 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 181 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Manganese | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2019 | 2024 | 195 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 195 | Source |
DE0000568 | HOLLY OAK MOBILE HOME PARK | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2019 | 2024 | 195 | Source |
DE0000569 | STAGE VILLAGE MHC | Alkalinity, Total | 15 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 343 | Source |
DE0000569 | STAGE VILLAGE MHC | Chloride | 13.861 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 343 | Source |
DE0000569 | STAGE VILLAGE MHC | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 343 | Source |
DE0000569 | STAGE VILLAGE MHC | Sodium | 14.2402 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 343 | Source |
DE0000569 | STAGE VILLAGE MHC | Sulfate | 7.3961 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 343 | Source |
DE0000569 | STAGE VILLAGE MHC | Manganese | 0.06812 MG/L | Secondary standard; see Delaware DPH table | Reported | 2019 | 2024 | 347 | Source |
DE0000569 | STAGE VILLAGE MHC | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2023 | 2024 | 347 | Source |
DE0000569 | STAGE VILLAGE MHC | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2019 | 2024 | 347 | Source |
DE0000592 | GEORGETOWN WATER DEPARTMENT | Nitrate as nitrogen | 4 ppm | 10 | Below | 2024 | 2025 | 3 | Source |
DE0000592 | GEORGETOWN WATER DEPARTMENT | Total trihalomethanes | 8 ppb | 80 | Below | 2024 | 2025 | 3 | Source |
DE0000592 | GEORGETOWN WATER DEPARTMENT | Chloride | 25 ppm average | 250 secondary | Below | 2024 | 2025 | 4 | Source |
DE0000597 | LAUREL WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Alkalinity, Total | 53 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 217 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Chloride | 26.4814 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 217 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 217 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Sodium | 36.7626 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 217 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Sulfate | 14.6593 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 217 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Manganese | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2023 | 2024 | 231 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 231 | Source |
DE0000602 | LEWES BOARD OF PUBLIC WORKS | Nickel | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2023 | 2024 | 231 | Source |
DE0000616 | MILFORD WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000622 | MILLSBORO WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000629 | MILTON WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000651 | MOBILE GARDENS I | Alkalinity, Total | 105.64 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 257 | Source |
DE0000651 | MOBILE GARDENS I | Chloride | 5.847 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 257 | Source |
DE0000651 | MOBILE GARDENS I | Iron | 0 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 257 | Source |
DE0000651 | MOBILE GARDENS I | Sodium | 19.6874 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 257 | Source |
DE0000651 | MOBILE GARDENS I | Sulfate | 2.7206 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 257 | Source |
DE0000651 | MOBILE GARDENS I | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 269 | Source |
DE0000654 | SELBYVILLE WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000723 | REHOBOTH BEACH WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000825 | DEWEY BEACH WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0000865 | BLADES, TOWN OF | Alkalinity, Total | 29.56 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 27 | Source |
DE0000865 | BLADES, TOWN OF | Chloride | 13.2314 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 27 | Source |
DE0000865 | BLADES, TOWN OF | Iron | 0.1286 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 27 | Source |
DE0000865 | BLADES, TOWN OF | Sodium | 19.0253 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 27 | Source |
DE0000865 | BLADES, TOWN OF | Sulfate | 9.3063 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 27 | Source |
DE0000865 | BLADES, TOWN OF | Methyl Tert-Butyl Ether | 0 UG/L | Secondary standard; see Delaware DPH table | Reported | 2022 | 2024 | 41 | Source |
DE0002618 | SLAUGHTER BEACH PWS | Sodium | 23.2 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 331 | Source |
DE0002618 | SLAUGHTER BEACH PWS | Manganese | 0.012 MG/L | Secondary standard; see Delaware DPH table | Reported | 2020 | 2024 | 337 | Source |
DE0020027 | OCEAN VIEW WATER DEPARTMENT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE0020052 | INGRAM VILLAGE (AWC) | Sodium | 41.3 MG/L | Secondary standard; see Delaware DPH table | Reported | 2024 | 2024 | 195 | Source |
DE0020052 | INGRAM VILLAGE (AWC) | Nickel | 0.001 MG/L | Secondary standard; see Delaware DPH table | Reported | 2020 | 2024 | 209 | Source |
DE0020112 | GREATER ELLENDALE WATER DISTRICT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE00A0169 | MALLARD LAKES | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE00A0323 | ARTESIAN SOUTHERN SUSSEX REGIONAL | Local report status | Current CCR/report source indexed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Chloride | 47 ppm | 250 secondary | Below | 2025 | 2025 | 21 | Source |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Chlorine | 2.06 ppm | 4 MRDL | Below | 2025 | 2025 | 21 | Source |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Nitrate | 0.9 ppm | 10 | Below | 2025 | 2025 | 21 | Source |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Sodium | 73 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 21 | Source |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Total haloacetic acids | 3.1 ppb | 60 | Below | 2025 | 2025 | 21 | Source |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Total hardness | 18 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 21 | Source |
DE00A0326 | CLEARBROOKE ESTATES PUMP DISTRICT | Total trihalomethanes | 6.32 ppb | 80 | Below | 2025 | 2025 | 21 | Source |
DE00A0327 | GREEN ACRES PUMP DISTRICT | Chloride | 16 ppm | 250 secondary | Below | 2025 | 2025 | 28 | Source |
DE00A0327 | GREEN ACRES PUMP DISTRICT | Chlorine | 1.54 ppm | 4 MRDL | Below | 2025 | 2025 | 28 | Source |
DE00A0327 | GREEN ACRES PUMP DISTRICT | Sodium | 98 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 28 | Source |
DE00A0327 | GREEN ACRES PUMP DISTRICT | Total haloacetic acids | 6.69 ppb | 60 | Below | 2025 | 2025 | 28 | Source |
DE00A0327 | GREEN ACRES PUMP DISTRICT | Total hardness | 29 ppm | Secondary; no MCL | Reported | 2025 | 2025 | 28 | Source |
DE00A0327 | GREEN ACRES PUMP DISTRICT | Total trihalomethanes | 21.69 ppb | 80 | Below | 2025 | 2025 | 28 | Source |
DE00A0369 | WEBBS LANDING PUMP DISTRICT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source | |
DE00A0799 | DAGSBORO WATER DEPT | Local report status | DWW system record mapped; CCR row not locally parsed | See current report | Not a contaminant result | 2025/2026 | 2025/2026 | Source |
Municipality pages
- Bethany Beach
- Bethel
- Blades
- Bridgeville
- Dagsboro
- Delmar
- Dewey Beach
- Ellendale
- Fenwick Island
- Frankford
- Georgetown
- Greenwood
- Henlopen Acres
- Laurel
- Lewes
- Milford
- Millsboro
- Millville
- Milton
- Ocean View
- Rehoboth Beach
- Seaford
- Selbyville
- Slaughter Beach
- South Bethany
Official records
How to Read This Info for Sussex County, DE
Use the municipality and PWS ID to identify the applicable system. Do not apply one system’s report to the entire county. Rows labeled “Local report status” are report-coverage indicators, not contaminant measurements.
Frequently asked questions
How do I identify my provider?
Start with your bill, then verify the PWS ID in Delaware Drinking Water Watch. Use the municipality links above as a discovery tool, not an address-level guarantee.
Are countywide contaminant levels available?
Rows are shown by PWS ID, not as a single countywide result. Current CCR rows are included where parsed; other systems show a transparent report-status row and official lookup link.
Provider mapping may be modeled, dated, incomplete, or limited. Verify current service and reports through Delaware official sources.
Last reviewed: July 21, 2026