Public water system record
East Bay MUD
Serves Oakland, Richmond, Danville and 41 more places, Alameda County and Contra Costa County, CA · 1,442,800 people served
Federal records show no health-based violations and no monitoring or reporting issues for East Bay MUD 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
- East Bay MUD draws water from 9 surface water intakes.
- Most recent formal enforcement: signed compliance agreement by California, December 1995.
- Record on file since 1992, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 408,782 service lines.
Check whether East Bay MUD 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 1992
EPA's records for East Bay MUD go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 resolved) and 4 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 4 |
Most recent health-based violation before October 19, 2016: 1,2-Dichloroethane, began August 1995, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
1,2-Dichloroethane
Contaminant limit exceeded
|
Aug 23, 1995 | Resolved |
Enforcement actions
California regulators took 1 formal enforcement action against East Bay MUD in 1995. The most recent was a signed compliance agreement in December 1995.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Dec 18, 1995 | California | Signed compliance agreement | 1 violation: Total Coliform |
Where the water comes from
East Bay MUD draws water from 9 surface water intakes. It also has an emergency connection to Contra Costa Water District. 3 other community water systems buy water from East Bay MUD.
Emergency or part-time connections to
- Contra Costa Water District Concord, CA
Community systems that buy water from it
- Alameda Point Oakland, CA
- Contra Costa Water District Concord, CA
- Trailer Haven Mobile Home Park Sacramento, CA
Annual water quality report
East Bay MUD 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