Public water system record
Town of Carlisle
Serves Carlisle, Union County, SC · 555 people served
Federal records show 6 health-based violations and no monitoring/reporting issues for Town of Carlisle in the last ten years. The most serious issue in this window was a Total Trihalomethanes (TTHMs) violation that EPA lists as archived, not resolved.
System profile
- Health-based violations, last 10 years
- 6
- Resolved
- 5
- Unresolved
- 0
- Archived by EPA
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Town of Carlisle buys its water from Santuck Hebron Water Co.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2023.
- Most recent formal enforcement: administrative penalty by South Carolina, May 2023.
- Record on file since 1993, with 4 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 2 unknown out of 229 service lines.
Check whether Town of Carlisle serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jul 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.083 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jan 1, 2023 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2022 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.082 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Jul 1, 2022 | Resolved | No |
Full record since 1993
EPA's records for Town of Carlisle go back to 1993. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 1 | 1 |
| 2020s | 6 | 0 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began September 2015, Resolved.
Show all 4 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Sep 1, 2015 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Apr 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jan 1, 2005 | Resolved |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
Enforcement actions
South Carolina regulators took 3 formal enforcement actions against Town of Carlisle between 2006 and 2023. The most recent was an administrative penalty in May 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 16, 2023 | South Carolina | Administrative penalty | 6 violations (6 health-based): Total Trihalomethanes (TTHMs) |
| May 16, 2023 | South Carolina | Compliance order with a penalty | 6 violations (6 health-based): Total Trihalomethanes (TTHMs) |
| Feb 23, 2006 | South Carolina | Signed compliance agreement | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
6 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Town of Carlisle buys its water from Santuck Hebron Water Co. It lists no wells or intakes of its own.
Buys water from
- Santuck Hebron Water Co Carlisle, SC
Annual water quality report
Town of Carlisle must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by South Carolina.
Certified drinking water labs by state EPA guidance for private wells