Public water system · SC3210003
ActiveCayce City of (Sc3210003)
At a glance
Cayce City of (Sc3210003) (PWSID SC3210003) is an active community water system in Lexington County, South Carolina. It reports serving 17,460 people through 8,224 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
17,460
Service connections
8,224
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Cayce City of (Sc3210003) compare with other water systems in Lexington County?
By EPA's size categories, Cayce City of (Sc3210003) is a large system (10,001 to 100,000 people). Lexington County has 132 active public water systems, and Cayce City of (Sc3210003) is the 4th-largest of them by population served. Its population served is about 13 times the county average of 1,358 people per system, and accounts for 9.7% of the 179,280 people reported by systems filed under the county. Across South Carolina, the 1,392 active systems average 3,511 people each. Nationally, the average active community water system reports serving 6,703 people, so Cayce City of (Sc3210003) is about 160% above that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. South Carolina has 567 active community water systems, 41% of the state's 1,392 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 53 South Carolina systems (3.8%) list surface water as their primary source.
Who owns and regulates Cayce City of (Sc3210003)?
EPA lists Cayce City of (Sc3210003) as owned by a local government. The SC state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 13 of the 132 active systems in Lexington County (9.8%) are also owned by a local government.
Does Cayce City of (Sc3210003) have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2012. The violations listed here began between July 1992 and April 2012. By type: 11 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 11 as resolved and 1 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2012-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2003-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 1993-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 1992-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Cayce City of (Sc3210003): frequently asked questions
Who runs Cayce City of (Sc3210003)?
Cayce City of (Sc3210003) (PWSID SC3210003) is a community water system owned by a local government. It is regulated by the SC state drinking water program.
How many people does Cayce City of (Sc3210003) serve?
Cayce City of (Sc3210003) reports serving 17,460 people through 8,224 service connections in Lexington County, South Carolina.
Where does Cayce City of (Sc3210003) get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Cayce City of (Sc3210003) have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2012. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Cayce City of (Sc3210003)'s water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in April 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the SC state drinking water program.
Where can I find Cayce City of (Sc3210003)'s water quality report?
As a community water system, Cayce City of (Sc3210003) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Lexington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Joint Municipal WSC (Sc3220003) | Lexington | 47,838 | Community | Purchased surface water |
| West Columbia City of (Sc3210004) | Lexington | 34,028 | Community | Surface water |
| Lexington Town of (3210001) | Lexington | 24,284 | Community | Purchased surface water |
| Gilbert-Summit Wd (3220001) | Lexington | 10,400 | Community | Groundwater |
| Gaston Rural Water Dist (Sc3220002) | Lexington | 7,550 | Community | Groundwater |
| Bgwc I-20 (Sc3250012) | Lexington | 7,146 | Community | Purchased surface water |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Cayce City of (Sc3210003), PWSID SC3210003, South Carolina”, https://aquacensus.com/water-systems/south-carolina/cayce-city-of-sc3210003-sc3210003 (data as of October 1, 2026).