Public water system · CA0110005
ActiveEast Bay MUD
Community water system in Alameda County, California, drawing primarily on surface water.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,442,800
Service connections
392,875
Primary source
SW
Surface water
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1995-11-01 | Public notice, recordkeeping or otherNotification, State · code 05 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-08-23 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | 1,2-Dichloroethanecode 2980 | Yes | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 1994-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
East Bay MUD: frequently asked questions
Is East Bay MUD's water safe to drink?
East Bay MUD is an active community water system regulated under the Safe Drinking Water Act, overseen by the CA state drinking water program. EPA's SDWA data records violations for this system — the most recent are listed on this page, including health-based violations; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs East Bay MUD?
East Bay MUD (PWSID CA0110005) is a local government-owned community water system, regulated by the CA state drinking water program.
How many people does East Bay MUD serve?
East Bay MUD reports serving 1,442,800 people through 392,875 service connections in Alameda County, California.
Where does East Bay MUD get its water?
EPA SDWIS lists this system's primary water source as surface water.
Other water systems in Alameda County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Alameda County Water District | Alameda | 344,000 | Community | Surface water |
| City of Hayward | Alameda | 162,954 | Community | Purchased surface water |
| Dublin San Ramon Services District | Alameda | 98,776 | Community | Purchased surface water |
| City of Pleasanton | Alameda | 76,689 | Community | Purchased surface water |
| California Water Service - Livermore | Alameda | 60,414 | Community | Purchased surface water |
| City of Livermore | Alameda | 38,892 | Community | Purchased surface water |
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.