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.
Hilton Head Psd 1 (0720006)
SC0720006 · Surface water · 25,558 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
- Reported level
- Action level
7% 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.
South Island Psd (sc0720001)
SC0720001 · Groundwater · 18,299 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
- Reported level
- Action level
14% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (0)
No record returned in this imported window. This is not a guarantee of tap-water safety.
Water Oak Utility Co (sc0750002)
SC0750002 · Surface water · 2,318 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
- Reported level
- Action level
16% of the listed benchmark
Monitoring period: Jan 1, 2021 to Dec 31, 2023
TTHM
EPA SDWIS reported health-based violation
- Reported level
- Maximum contaminant level
104% of the listed benchmark
Monitoring period: Jan 1, 2024 to Mar 31, 2024
Violation history (2)
Imported violation history for Water Oak Utility Co (sc0750002)| Rule | Status | Period |
|---|
| TTHMHealth-based | Resolved | Jan 1, 2024 to Mar 31, 2024 |
| TTHMHealth-based | Resolved | Oct 1, 2023 to Dec 31, 2023 |
Daufuskie Isl Util-Haig Point (0750036)
SC0750036 · Groundwater · 608 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
- Reported level
- Action level
5% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (2)
Imported violation history for Daufuskie Isl Util-Haig Point (0750036)| Rule | Status | Period |
|---|
| LEAD AND COPPER RULE REVISIONSHealth-based | Resolved | Oct 17, 2024 to Nov 27, 2024 |
| LEAD AND COPPER RULE REVISIONS | Resolved | Oct 17, 2024 to Nov 27, 2024 |
Wells East S/d (sc0750026)
SC0750026 · Groundwater · 60 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
- Reported level
- Action level
29% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Violation history (1)
Imported violation history for Wells East S/d (sc0750026)| Rule | Status | Period |
|---|
| Lead and Copper Rule | Resolved | Dec 30, 2025 to Feb 9, 2026 |