Is Hilton Head Island, South Carolina tap water safe?
5 water systems report serving Hilton Head Island. Your water depends on which one serves your address. Check your bill if unsure.
A
Hilton Head PSD 1 (0720006)
Serves 25,558 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A
South Island PSD
Serves 18,299 people · Groundwater · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
C
Water Oak Utility Co
Serves 2,318 people · Surface water · Full report →
2 health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).
B
Daufuskie Isl Util-Haig Point (0750036)
Serves 608 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Wells East S/D
Serves 60 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).