IRVINE, CA · Orange County
IRVINE RANCH WATER DISTRICT 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 California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA3010092
- System type
- Community Water System
- Population served
- 444,800
- Service connections
- 121,167
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Treatment Technique (SWTR and GWR)
Health-basedSurface Water Treatment Rule
January 1, 2010 – January 31, 2010
ResolvedMaximum Contaminant Level Violation, Acute (TCR)
Health-basedColiform (TCR)
June 1, 1997 – June 30, 1997
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2010 – January 31, 2010 | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Health-based | Resolved |
| June 1, 1997 – June 30, 1997 | Maximum Contaminant Level Violation, Acute (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- October 30, 2020State Compliance achieved4 linked violations
- February 23, 2010State Compliance achieved1 linked violation
- October 4, 2004State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- August 2, 2004State Administrative/Compliance Order without penalty issuedgeneral compliance action — not tied to a specific violation on record
- June 30, 1997State Compliance achieved9 linked violations
Contact
COLSTON, JAMES
949-453-5620
IRVINE, CA 92619-7000