These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.
EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.
Summerville Cpw (sc1810003)
SC1810003 · Surface water · 81,750 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
6% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Dcwa Knightsville (sc1820001)
SC1820001 · Surface water · 40,141 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
2% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Dcws/clay Field Drive (sc1850014)
SC1850014 · Surface water · 1,648 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
1% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Homecoming Subdivision (sc1850016)
SC1850016 · Surface water · 883 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
1% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Dcwa Calomet Valley (1850009)
SC1850009 · Surface water · 275 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
2% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Heron'S Walk Phase 1 (sc1850017)
SC1850017 · Surface water · 231 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
3% of the listed benchmark
Monitoring period: Jul 1, 2025 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Dcws Highway 17a (sc1820009)
SC1820009 · Groundwater · 200 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
1% of the listed benchmark
Monitoring period: Jan 1, 2022 to Dec 31, 2024
Violation history (2)
Imported violation history for Dcws Highway 17a (sc1820009)| Rule | Status | Period |
|---|
| TTHM | Resolved | Oct 1, 2021 to Sep 30, 2022 |
| Total Haloacetic Acids (HAA5) | Resolved | Oct 1, 2021 to Sep 30, 2022 |
Dcws Caleb Court (sc1850015)
SC1850015 · Surface water · 156 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
3% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2023
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Sandy Run Mhp (sc0860037)
SC0860037 · Groundwater · 41 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (2)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
Below action level- Reported level
- Action level
0% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
Gross Alpha, Excl. Radon and U
EPA SDWIS reported health-based violation
Reported violation- Reported level
- Maximum contaminant level
122% of the listed benchmark
Monitoring period: Jan 1, 2024 to Mar 31, 2024
Violation history (9)
Imported violation history for Sandy Run Mhp (sc0860037)| Rule | Status | Period |
|---|
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Oct 1, 2022 to Dec 31, 2022 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Jul 1, 2022 to Sep 30, 2022 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Apr 1, 2022 to Jun 30, 2022 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Jan 1, 2022 to Mar 31, 2022 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Oct 1, 2021 to Dec 31, 2021 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Jul 1, 2021 to Sep 30, 2021 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Apr 1, 2021 to Jun 30, 2021 |
| Gross Alpha, Excl. Radon and UHealth-based | Resolved | Jan 1, 2021 to Mar 31, 2021 |