Public water system record
San Diego County Water Authority
Serves Oceanside, Chula Vista, Jamul and 4 more places, San Diego County, CA · Population served not reported
Federal records show 1 health-based violation and no monitoring/reporting issues for San Diego County Water Authority in the last ten years. The most serious issue in this window was a resolved Surface Water Treatment Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- San Diego County Water Authority draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by California, June 2019.
Check whether San Diego County Water Authority 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2019 | Resolved | No |
Enforcement actions
California regulators took 1 formal enforcement action against San Diego County Water Authority in 2019. The most recent was a compliance order (no penalty) in June 2019.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 4, 2019 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
What the violations mean
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
San Diego County Water Authority draws water from 1 surface water intake. It also buys water from Olivenhain MWD, City of San Diego, City of Oceanside, Metropolitan Water Dist. of So. Cal. and Carlsbad Desalination Plant. 19 other community water systems buy water from San Diego County Water Authority.
Buys water from
- Olivenhain MWD Encinitas, CA
- City of San Diego San Diego, CA
- City of Oceanside Oceanside, CA
- Metropolitan Water Dist. of So. Cal. La Verne, CA
- Carlsbad Desalination Plant Carlsbad, CA
Community systems that buy water from it
- Carlsbad MWD Carlsbad, CA
- City of Escondido Escondido, CA
- City of Oceanside Oceanside, CA
- City of Poway Poway, CA
- City of San Diego San Diego, CA
- Fallbrook PUD Fallbrook, CA
- Helix Water District La Mesa, CA
- Olivenhain MWD Encinitas, CA
- Otay Water District Spring Valley, CA
- Padre Dam MWD Santee, CA
- Rainbow Municipal WD Fallbrook, CA
- Ramona Municipal WD Ramona, CA
- Rincon Del Diablo MWD (Id-1) Escondido, CA
- Santa Fe I.D. Rancho Santa Fe, CA
- Sweetwater Authority Chula Vista, CA
- Vallecitos WD San Marcos, CA
- Valley Center MWD Valley Center, CA
- Vista Irrigation District Vista, CA
- Yuima Municipal Water District Pauma Valley, CA
Annual water quality report
San Diego County Water Authority 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.
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