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Review government records associated with Cayce, South Carolina.
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Preparing Cayce environmental records...
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 Cayce, SC from EPA SDWIS.
Cayce City of (Sc3210003)
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 17,460 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 Feb 2025 to Sep 2025.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
6 PFAS sample results above EPA limits
Sample period: Feb 2025 to Sep 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 | 0.0063 | 0.0040 | 2025-09-16 | Yes |
| PFOS | 0.0062 | 0.0040 | 2025-02-24 | Yes |
| PFOA | 0.0055 | 0.0040 | 2025-09-16 | Yes |
| PFOS | 0.0055 | 0.0040 | 2025-04-30 | Yes |
| PFOA | 0.0052 | 0.0040 | 2025-02-24 | Yes |
| PFOA | 0.0052 | 0.0040 | 2025-04-30 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Cayce 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.
Lower Congaree Creek
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
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.
Lexington 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.
Congaree Bluff
Annual mean: 0.034 Parts per million
Observation year: 2025
Irmo Djj — Columbia, South Carolina
Annual mean: 7.8 Micrograms/cubic meter (LC)
Includes measurements flagged for exceptional events.
Observation year: 2025
Parklane — Dentsville (Dents), South Carolina
Annual mean: 0.2 Parts per million
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.
Air Violations
Last inspected: Dec 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Cmc Steel Sc
Reported: 2024
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110009311066
Reported: Nov 2021
EPA FRS Registry ID 110071100384
Reported: Nov 2021
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO1 site with active cleanup or investigation status
2370 Foreman Street, Cayce
Reported: Feb 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
Release reports
Reported: Dec 2021
Data from EPA UST Finder
Reviewed: reporting year 2024
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 FUDSSites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
Lexington County, SC
EPA Radon Zone Map (June 2024 release)
Lexington 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.
Lexington County, South CarolinaPop. 304,797
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 | 8,340 | 10,318 | 7,972 |
| Poor or Fair Health | 15.7% | 16.1% | 14.2% |
| Poor Physical Health Days | 3.9 | 3.8 | 3.3 |
| Poor Mental Health Days | 5.5 | 5.4 | 4.8 |
| Adult Smoking | 17.1% | 16.3% | 15.0% |
| Adult Obesity | 38.0% | 36.4% | 34.0% |
| Air Pollution - Particulate Matter | 8.1 | 8.3 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 10.2% | 11.9% | 9.6% |
| Life Expectancy | 76.7 | 75.2 | 77.6 |
EPA testing found PFAS in water samples from Cayce City of (Sc3210003). Results dated Feb 24, 2025 to Sep 16, 2025 include HFPO-DA at 0.0074 micrograms per liter and PFOS at 0.0055 to 0.0063 micrograms per liter.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Cayce City of (Sc3210003).
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 Cayce.
The monitoring station at Congaree Bluff recorded an annual average of 0.034 Parts per million for ozone in 2025.
The monitoring station at Irmo Djj, Columbia, South Carolina recorded an annual average of 7.8 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Parklane, Dentsville (Dents), South Carolina recorded an annual average of 0.2 Parts per million for carbon monoxide in 2025.
The radon data for Cayce covers Lexington County. EPA places this area in Zone 3, with a predicted average indoor radon screening level below 2 picocuries per liter.
This city report shows 2 Superfund sites: Lexington County Landfill Area; Palmetto Wood Preserving.
This city report shows 2 brownfield sites: 2370 Foreman Street; 800 Lexington Avenue.
View on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Cayce reports a life expectancy of 76.7 years in Lexington 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 Cayce reports 8,340 years of life lost to deaths before age 75 per 100,000 residents in Lexington 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 Cayce lists fine-particle pollution (PM2.5) at 8.1 micrograms per cubic meter in Lexington County, South Carolina.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.