Public water system record
Rincon Del Diablo MWD (Id-1)
Serves Escondido, Harmony Grove and San Marcos, San Diego County, CA · 30,757 people served
Federal records show no health-based violations and no monitoring or reporting issues for Rincon Del Diablo MWD (Id-1) in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Rincon Del Diablo MWD (Id-1) buys its water from San Diego County Water Authority.
- Most recent formal enforcement: compliance order (no penalty) by California, September 2014.
- Record on file since 1989, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 7,965 service lines.
Check whether Rincon Del Diablo MWD (Id-1) serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1989
EPA's records for Rincon Del Diablo MWD (Id-1) go back to 1989. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 1 |
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 2 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2014, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2014 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2013 | Resolved |
Enforcement actions
California regulators took 2 formal enforcement actions against Rincon Del Diablo MWD (Id-1) between 2013 and 2014. The most recent was a compliance order (no penalty) in September 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Sep 10, 2014 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jun 26, 2013 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
Where the water comes from
Rincon Del Diablo MWD (Id-1) buys its water from San Diego County Water Authority. It lists no wells or intakes of its own. It also has an emergency connection to City of Escondido. 1 other community water system buys water from Rincon Del Diablo MWD (Id-1). 1 other public water system has an emergency connection to Rincon Del Diablo MWD (Id-1).
Buys water from
- San Diego County Water Authority San Diego, CA
Emergency or part-time connections to
- City of Escondido Escondido, CA
Community systems that buy water from it
- Del Dios Mutual Water Company Escondido, CA
Annual water quality report
Rincon Del Diablo MWD (Id-1) must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by California.
Certified drinking water labs by state EPA guidance for private wells