WaterQ
South Carolina State Report All States
Official Status: March 2026

Is Hilton Head Island tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Hilton Head Island scores 96/100.

Safety Score
96
out of 100

Still not sure if you need a filter in Hilton Head Island?

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Hilton Head Island

South Carolina

View South Carolina state report Data updated: Mar 2026

Is Hilton Head Island tap water safe to drink?

Mostly yes — Hilton Head Island scores 96/100. This report aggregates EPA drinking water data across 3 local systems in Hilton Head Island. We found 23 total violations (8 unresolved).

Real-Time Environment

Live: 05:45 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Hilton Head Island.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Hilton Head Island?

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Filter or no filter for Hilton Head Island water? Here's what the data says.

Baby Formula Safety

What new parents in Hilton Head Island should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Hilton Head Island, but it can affect plumbing longevity and appliance lifespan. The high safety score (96/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.

View Health Risk Glossary →

Compliance Record for Hilton Head Island

23
Violations (5yr)
8
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Hilton Head Island.

Frequently Asked Questions

Is Hilton Head Island tap water safe to drink?

Mostly yes — Hilton Head Island scores 96/100.

How many water systems serve Hilton Head Island?

Hilton Head Island is served by 3 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Hilton Head Island?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Hilton Head Island.

What is the water quality score for Hilton Head Island?

The water quality score for Hilton Head Island is 96 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.

What are the top contaminants in Hilton Head Island?

The top contaminants detected in Hilton Head Island include Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
96/100
Grade
A
Water Systems
3
Population
47,338

Hilton Head Island Water Quality Summary

Hilton Head Island, SC receives a water quality score of 96/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Hilton Head Island's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.

Hilton Head Island's score of 96 is 7 points above the South Carolina state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our South Carolina water quality rankings report →

Key Contaminants

Lead (90th percentile)
0.0021 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

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Water Systems Serving Hilton Head Island (3)

Related

Compare Hilton Head Island water quality: View all states · Contaminant library · How we score water quality