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Review government records associated with Hilton Head Island, South Carolina.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Hilton Head Island, SC from EPA SDWIS.
Hilton Head Psd 1 (0720006)
Active major or public-notice drinking-water issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 25,558 people
Bjw&Sa (0720003)
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 145,634 people
South Island Psd (Sc0720001)
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 18,299 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Nov 2023 to Jun 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
24 PFAS sample results above EPA limits
Sample period: Nov 2023 to Jun 2025
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOS | 0.0052 | 0.0040 | 2024-09-09 | Yes |
| PFOA | 0.0051 | 0.0040 | 2024-12-10 | Yes |
| PFOS | 0.0051 | 0.0040 | 2024-12-10 | Yes |
| PFOS | 0.0048 | 0.0040 | 2025-06-10 | Yes |
| PFOA | 0.0047 | 0.0040 | 2024-09-09 | Yes |
| PFOA | 0.0042 | 0.0040 | 2025-06-10 | Yes |
| PFOA | 0.0056 | 0.0040 | 2023-11-14 | Yes |
| PFOA | 0.0054 | 0.0040 | 2023-11-14 | Yes |
| PFOS | 0.0053 | 0.0040 | 2024-11-19 | Yes |
| PFOA | 0.0053 | 0.0040 | 2023-11-14 | Yes |
| PFOA | 0.0050 | 0.0040 | 2024-05-15 | Yes |
| PFOA | 0.0050 | 0.0040 | 2024-02-06 | Yes |
| PFOA | 0.0050 | 0.0040 | 2024-02-06 | Yes |
| PFOA | 0.0048 | 0.0040 | 2025-01-06 | Yes |
| PFOS | 0.0046 | 0.0040 | 2024-05-15 | Yes |
| PFOS | 0.0046 | 0.0040 | 2024-05-15 | Yes |
| PFOS | 0.0045 | 0.0040 | 2025-01-06 | Yes |
| PFOS | 0.0045 | 0.0040 | 2023-11-14 | Yes |
| PFOA | 0.0045 | 0.0040 | 2024-11-19 | Yes |
| PFOA | 0.0044 | 0.0040 | 2025-01-06 | Yes |
| PFOS | 0.0043 | 0.0040 | 2025-01-06 | Yes |
| PFOS | 0.0042 | 0.0040 | 2023-11-14 | Yes |
| PFOS | 0.0041 | 0.0040 | 2024-02-06 | Yes |
| PFOA | 0.0041 | 0.0040 | 2024-05-15 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Hilton Head Island drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Broad Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Fishconsumption
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
Beaufort County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Savannah-E. President
Annual mean: 2.4 Parts per billion
Observation year: 2025
Annual mean: 0.038 Parts per million
Observation year: 2025
Savannah-L&A
Annual mean: 3.8 Parts per billion
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
Reviewed: source query run Nov 2026
Reviewed: source query run Nov 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Formerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSNo MSHA mine or extraction site records shown for this report.
Beaufort County, SC
EPA Radon Zone Map (June 2024 release)
Beaufort County is EPA Radon Zone 3 (low potential). EPA defines Zone 3 counties as having predicted average indoor screening levels below 2 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Beaufort County, South CarolinaPop. 196,371
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 7,044 | 10,318 | 7,972 |
| Poor or Fair Health | 13.3% | 16.1% | 14.2% |
| Poor Physical Health Days | 3.3 | 3.8 | 3.3 |
| Poor Mental Health Days | 4.9 | 5.4 | 4.8 |
| Adult Smoking | 13.9% | 16.3% | 15.0% |
| Adult Obesity | 31.5% | 36.4% | 34.0% |
| Air Pollution - Particulate Matter | 8.5 | 8.3 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 8.3% | 11.9% | 9.6% |
| Life Expectancy | 81.3 | 75.2 | 77.6 |
EPA testing found PFAS in water samples from Hilton Head Psd 1 (0720006). Results dated Sep 9, 2024 to Jun 10, 2025 include PFOS at 0.0048 to 0.0052 micrograms per liter and PFOA at 0.0042 to 0.0051 micrograms per liter.
EPA testing found PFAS in water samples from Bjw&Sa (0720003). Results dated Nov 14, 2023 to Jan 6, 2025 include PFBS at 0.003 to 0.0057 micrograms per liter and PFOA at 0.0041 to 0.0056 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for Hilton Head Psd 1 (0720006).
EPA drinking water records on this page list 3 violations for Bjw&Sa (0720003).
The EPA drinking water records available here list no violations for South Island Psd (Sc0720001).
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Hilton Head Island.
The monitoring station at Savannah-E. President recorded an annual average of 2.4 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Savannah-E. President recorded an annual average of 0.038 Parts per million for ozone in 2025.
The monitoring station at Savannah-L&A recorded an annual average of 3.8 Parts per billion for sulfur dioxide in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Hilton Head Island covers Beaufort County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
No Superfund or brownfield sites were returned for this city report.
The county data for Hilton Head Island reports a life expectancy of 81.3 years in Beaufort County, South Carolina.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Hilton Head Island reports 7,044 years of life lost to deaths before age 75 per 100,000 residents in Beaufort County, South Carolina. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Hilton Head Island lists fine-particle pollution (PM2.5) at 8.5 micrograms per cubic meter in Beaufort County, South Carolina.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.