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Community Water System · PWS SC4410003

Carlisle Town of (4410003)

Carlisle, South Carolina 29031 - drinking water served from surface water sources to 555 people, tracked in EPA SDWIS and UCMR5.

555
People served
58
EPA violations
54
Health-based
Untested
UCMR5 result

The verdict

EPA records 58 drinking-water violations at Carlisle Town of (4410003), 93% of them health-based - above the South Carolina per-system average.

58
Total EPA violations on record
93%
Health-based (MCL / treatment failure)
555
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Carlisle Town of (4410003)

Carlisle Town of (4410003) is a local-owned community water system that delivers drinking water to 555 residents in Carlisle, South Carolina (Union County) through 262 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 58 total violations for this system , of which 54 (93%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 3 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is TTHM, recorded in 50 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across South Carolina, EPA tracks 1,390 public water systems serving 4,709,324 people, with 38,355 cumulative violations and 9,705 health-based violations on record. About 65% of systems in the state carry at least one violation, and state-wide the average per system is 27.6 violations. Statewide, 107 of 164 UCMR5-tested systems have reported PFAS detections (65.2%).

Carlisle Town of (4410003)'s 58 violations sit above the South Carolina average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
555
Total Violations
58
Health-Based Violations
54
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
262
County
Union
School/Daycare
No
MCL Violations
50
Monitoring Violations
3
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 50 2023
Surface Water Treatment Rule TT 4 2015
Surface Water Treatment Rule MR 2 1993
Stage 2 Disinfectants and Disinfection Byproducts Rule MR 1 2010

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Carlisle Town of (4410003).

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID SC4410003 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

South Carolina Drinking Water Authority

South Carolina's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find SC regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2023 TTHM MCL 50 SDWIS / SC4410003 / 2950
2015 Surface Water Treatment Rule TT 4 SDWIS / SC4410003 / 0200
2010 Stage 2 Disinfectants and Disinfection Byproducts Rule MR 1 SDWIS / SC4410003 / 0600
1993 Surface Water Treatment Rule MR 2 SDWIS / SC4410003 / 0200

How Carlisle Town of (4410003) Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Carlisle Town of (4410003) South Carolina avg Federal benchmark
Total violations 58 27.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 54 7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 65.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 555 3,388 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,390 regulated public water systems in South Carolina.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Carlisle Town of (4410003) water safe to drink? ▼
Carlisle Town of (4410003) (PWS ID: SC4410003) has 58 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 555 people using Surface Water sources.
How many people does Carlisle Town of (4410003) serve? ▼
Carlisle Town of (4410003) serves 555 people in Carlisle, South Carolina. It is a Local-owned system using Surface Water water sources with 262 service connections.
What type of violations does Carlisle Town of (4410003) have? ▼
Carlisle Town of (4410003) has 58 total violations: 54 health-based violations (MCL exceedances or treatment failures), 3 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Carlisle Town of (4410003) water? ▼
No PFAS testing data is available for Carlisle Town of (4410003) under the EPA's UCMR5 monitoring program.
What water source does Carlisle Town of (4410003) use? ▼
Carlisle Town of (4410003) uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.