Hilton Head Island, SC - Home Safety Score unavailable
4 ZIP codes · 5 water systems · Updated
Data: EPA SDWIS
Hilton Head Island Water: The Quick Version
- Your city's water systems recorded 3 violations in the past 5 years.
- Average lead level: 0.0022 mg/L.
- Estimated remediation: $1,975 per household.
- CDC health risk index: 12.75 - above typical levels.
Water Systems Serving Hilton Head Island
At present, 3 utilities serve the bulk of Hilton Head Island, SC's residential water connections out of 5 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
Overview
We track home safety data for 4 ZIP codes in Hilton Head Island, South Carolina (population ~40,352), covering 5 community water systems serving approximately 214,485 people region-wide. The EPA snapshots used for this build directly map water systems to 2 of 4 ZIP codes.
1 of 2 ZIP codes with a reported violation count in the available EPA record (50%) have recorded EPA violations. 3 health-based violations appear in the available health breakdown.
Water Sources
Hilton Head Island water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0022 mg/L (EPA action level: 0.015 mg/L)
- 0 of 2 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 4 ZIP codes
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 4 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 29926 | — | 3 | 3 | Hilton Head Public Service District 1 (0720006) |
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 29928 | — | South Island Public Service District (sc0720001) | 18,299 |
All ZIP Codes in Hilton Head Island
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
CDC Health Data for Hilton Head Island
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Key Contaminants Detected in Hilton Head Island
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Hilton Head Island: Remediation Cost in Perspective
In Hilton Head Island, the equity impact of remediation is proportionally small - not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.
Remediation costs in Hilton Head Island are relatively low compared to home values. The $1,350–$2,925 estimated range is a small fraction of median property value. Home values are 277% above the South Carolina average.
Protecting Children from Lead in Hilton Head Island
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Hilton Head Island appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Historical Flood-Claim Evidence for Hilton Head Island
Historical NFIP data for Hilton Head Island contains 2,731 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $28,123. Among ZIP codes with claim records, 75% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,975</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
Deep Dive Reports
Detailed analysis for Hilton Head Island, SC