Public water system record
Mt Pleasant Water Works
Serves Mount Pleasant, Charleston County, SC · 91,500 people served
Federal records show no health-based violations and 1 monitoring/reporting issue for Mt Pleasant Water Works in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Mt Pleasant Water Works draws water from 7 wells.
- Most recent formal enforcement: compliance order (no penalty) by EPA, July 1993.
- Record on file since 1987, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 41,611 service lines.
Check whether Mt Pleasant Water Works 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.
None since October 2016.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
E. coli
Monitoring and reporting
|
Jun 18, 2020 | Resolved |
Full record since 1987
EPA's records for Mt Pleasant Water Works go back to 1987. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 1 | 0 |
| 1990s | 0 | 1 |
| 2000s | 0 | 1 |
| 2020s | 0 | 1 |
Most recent health-based violation before October 19, 2016: Total Trihalomethanes (TTHMs), began June 1987, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
Jun 1, 1987 | Archived |
Enforcement actions
EPA took 1 formal enforcement action against Mt Pleasant Water Works in 1993. The most recent was a compliance order (no penalty) in July 1993.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 29, 1993 | EPA | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
Where the water comes from
Mt Pleasant Water Works draws water from 7 wells. It also buys water from Charleston Water System. 6 smaller public systems such as schools, businesses or campgrounds buy water from Mt Pleasant Water Works.
Buys water from
- Charleston Water System Charleston, SC
Annual water quality report
Mt Pleasant Water Works 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.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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