Public water system record
Padre Dam MWD
Serves Santee, Alpine, Harbison Canyon and 4 more places, San Diego County, CA · 93,980 people served
Federal records show no health-based violations and no monitoring or reporting issues for Padre Dam MWD 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
- Padre Dam MWD buys its water from Helix Water District and San Diego County Water Authority.
- Most recent enforcement action: boil water order by California, October 2003.
- Record on file since 1995, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 24,749 service lines.
Check whether Padre Dam MWD 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 1995
EPA's records for Padre Dam MWD go back to 1995. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
Most recent health-based violation before October 19, 2016: Total Coliform, began March 1995, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1995 | Resolved |
Enforcement actions
California regulators issued 1 boil water order to Padre Dam MWD in 2003. The most recent was a boil water order in October 2003.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Oct 27, 2003 | California | Boil water order | 1 violation |
Where the water comes from
Padre Dam MWD buys its water from Helix Water District and San Diego County Water Authority. It lists no wells or intakes of its own. 2 other community water systems buy water from Padre Dam MWD. 1 other public water system has an emergency connection to Padre Dam MWD.
Buys water from
- Helix Water District La Mesa, CA
- San Diego County Water Authority San Diego, CA
Community systems that buy water from it
- Lakeside WD Lakeside, CA
- Sycuan El Cajon, CA
Annual water quality report
Padre Dam MWD 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