FALLBROOK, CA · San Diego County
RAINBOW MUNICIPAL WD Water System
Consumer Confidence Report status
RAINBOW MUNICIPAL WD 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 RAINBOW MUNICIPAL WD.
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)
- CA3710016
- System type
- Community Water System
- Population served
- 23,536
- Service connections
- 8,923
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
RAINBOW MUNICIPAL WD is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 23,536 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 1989 and 2003, all of which EPA lists as closed. Nothing has been added since 2003.
None of the 2 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 and the Miscellaneous Other Rules.
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
December 1, 2003 – December 31, 2003
ResolvedNotification, Public
—No contaminant on record
January 1, 1989 – January 31, 1989
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 |
|---|---|---|---|---|
| December 1, 2003 – December 31, 2003 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| January 1, 1989 – January 31, 1989 | Notification, Public | — | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- January 31, 2004State Compliance achieved2 linked violations
Common questions
Is RAINBOW MUNICIPAL WD required to publish a Consumer Confidence Report?
- Yes. RAINBOW MUNICIPAL WD 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 RAINBOW MUNICIPAL WD’s next Consumer Confidence Report due?
- RAINBOW MUNICIPAL WD’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RAINBOW MUNICIPAL WD have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RAINBOW MUNICIPAL WD.
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
WILEY, JAKE
760-728-1178
FALLBROOK, CA 92028