WILLISTON, ND · Williams County
WILLISTON CITY OF 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 North Dakota’s official records. Always confirm current status with North Dakota before making decisions based on this information.
System facts
- System ID (PWSID)
- ND5301012
- System type
- Community Water System
- Population served
- 26,426
- Service connections
- 6,876
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Maximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2005 – September 30, 2005
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
July 1, 1991 – July 31, 1991
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2005 – September 30, 2005 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 1991 – July 31, 1991 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Contact
CLARYS, CURTIS
701-557-7104
WILLISTON, ND 58802