COLTON, CA · San Bernardino County
TERRACE WATER COMPANY Water System
Consumer Confidence Report status
TERRACE WATER COMPANY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for TERRACE WATER COMPANY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
- CA3610048
- System type
- Community Water System
- Population served
- 2,400
- Service connections
- 608
- Ownership
- privately owned
- Water source
- groundwater (wells)
TERRACE WATER COMPANY is one of 728 community water systems in California in the 501 to 3,300 people size category, serving 2,400 people from groundwater.
As of August 1, 2026, its federal record holds 1 entry in 1992, all of which EPA lists as closed. Nothing has been added since 1992.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Total Coliform Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
October 1, 1992 – October 31, 1992
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 1992 – October 31, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 16, 1997State Compliance achieved1 linked violation
- April 2, 1997State Formal Notice of Violation issued1 linked violation
- August 1, 1996State Compliance achieved1 linked violation
- June 12, 1996State Violation/Reminder Notice3 linked violations
- March 28, 1996State Formal Notice of Violation issued1 linked violation
- January 7, 1993State Formal Notice of Violation issued5 linked violations
Common questions
Is TERRACE WATER COMPANY required to publish a Consumer Confidence Report?
- Yes. TERRACE WATER COMPANY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is TERRACE WATER COMPANY’s next Consumer Confidence Report due?
- TERRACE WATER COMPANY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does TERRACE WATER COMPANY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for TERRACE WATER COMPANY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CORRAL-FLORES, LAURA
909-825-5224
COLTON, CA 92324