ESCONDIDO, CA · San Diego County
RINCON DEL DIABLO MWD (ID-1) Water System
Consumer Confidence Report status
RINCON DEL DIABLO MWD (ID-1) 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 RINCON DEL DIABLO MWD (ID-1).
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)
- CA3710018
- System type
- Community Water System
- Population served
- 30,757
- Service connections
- 7,430
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
RINCON DEL DIABLO MWD (ID-1) is one of 376 community water systems in California in the 10,001 to 100,000 people size category, serving 30,757 people from surface water.
As of August 1, 2026, its federal record holds 2 entries between 1989 and 2001, all of which EPA lists as closed. Nothing has been added since 2001.
Of the 2, 1 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Lead and Copper Rule and the Miscellaneous Other Rules.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
August 1, 2001 – July 3, 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 |
|---|---|---|---|---|
| August 1, 2001 – July 3, 2003 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | 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
No enforcement actions on record for this system.
Common questions
Is RINCON DEL DIABLO MWD (ID-1) required to publish a Consumer Confidence Report?
- Yes. RINCON DEL DIABLO MWD (ID-1) 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 RINCON DEL DIABLO MWD (ID-1)’s next Consumer Confidence Report due?
- RINCON DEL DIABLO MWD (ID-1)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does RINCON DEL DIABLO MWD (ID-1) have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for RINCON DEL DIABLO MWD (ID-1).
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
UMBRASAS, JEFF
760-745-5522
ESCONDIDO, CA 92026