CHARLESTON, SC · Charleston County
CHARLESTON WATER SYSTEM (SC1010001) Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace South Carolina’s official records. Always confirm current status with South Carolina before making decisions based on this information.
System facts
- System ID (PWSID)
- SC1010001
- System type
- Community Water System
- Population served
- 327,422
- Service connections
- 146,569
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 2004 – July 31, 2004
ArchivedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2002 – September 30, 2003
ResolvedMonitoring, Regular
—Nitrate
July 1, 1993 – September 30, 1993
ResolvedMonitoring, Regular
—Nitrate
April 1, 1993 – June 30, 1993
ResolvedMonitoring, Regular
—Chromium
January 1, 1993 – January 31, 1993
ResolvedMonitoring, Regular
—Selenium
January 1, 1993 – January 31, 1993
ResolvedMonitoring, Regular
—Barium
January 1, 1993 – January 31, 1993
ResolvedMonitoring, Regular
—Nitrate
January 1, 1993 – March 31, 1993
ResolvedMonitoring, Regular
—Mercury
January 1, 1993 – January 31, 1993
ResolvedMonitoring, Regular
—Cadmium
January 1, 1993 – January 31, 1993
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 1984 – September 30, 1984
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
April 1, 1984 – June 30, 1984
ArchivedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 1984 – March 31, 1984
Archived
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2004 – July 31, 2004 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| October 1, 2002 – September 30, 2003 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 1993 – September 30, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
| April 1, 1993 – June 30, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1993 – January 31, 1993 | Monitoring, Regular | Chromium | — | Resolved |
| January 1, 1993 – January 31, 1993 | Monitoring, Regular | Selenium | — | Resolved |
| January 1, 1993 – January 31, 1993 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 1993 – March 31, 1993 | Monitoring, Regular | Nitrate | — | Resolved |
| January 1, 1993 – January 31, 1993 | Monitoring, Regular | Mercury | — | Resolved |
| January 1, 1993 – January 31, 1993 | Monitoring, Regular | Cadmium | — | Resolved |
| July 1, 1984 – September 30, 1984 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| April 1, 1984 – June 30, 1984 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
| January 1, 1984 – March 31, 1984 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Archived |
Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state
Enforcement actions
- September 30, 2003State Compliance achieved1 linked violation
- January 7, 2003State Violation/Reminder Notice1 linked violation
- October 25, 1994State Compliance achieved6 linked violations
- January 10, 1994State Other6 linked violations
- July 10, 1993State Compliance achieved2 linked violations
- April 10, 1993State Compliance achieved3 linked violations
- September 30, 1984Federal issued Formal Notice of Violation4 linked violations
Contact
ROPP, WESLEY
843-863-4038
CHARLESTON, SC 29402-0017