Public water system · CA0105012
ActiveEbrpd - Sunol Regional Wilderness
At a glance
Ebrpd - Sunol Regional Wilderness (PWSID CA0105012) is an active transient non-community water system in Alameda County, California. It reports serving 91 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
91
Service connections
4
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Ebrpd - Sunol Regional Wilderness compare with other water systems in Alameda County?
By EPA's size categories, Ebrpd - Sunol Regional Wilderness is a very small system (500 people or fewer). Alameda County has 27 active public water systems. Its population served is well below the county average of 83,320 people per system, and accounts for less than 0.1% of the 2,249,634 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Ebrpd - Sunol Regional Wilderness is about 37% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Ebrpd - Sunol Regional Wilderness?
EPA lists Ebrpd - Sunol Regional Wilderness as owned by a local government. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 15 of the 27 active systems in Alameda County (56%) are also owned by a local government.
Does Ebrpd - Sunol Regional Wilderness have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Ebrpd - Sunol Regional Wilderness. For the latest compliance status, check EPA ECHO for current compliance history.
Ebrpd - Sunol Regional Wilderness: frequently asked questions
Who runs Ebrpd - Sunol Regional Wilderness?
Ebrpd - Sunol Regional Wilderness (PWSID CA0105012) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Ebrpd - Sunol Regional Wilderness serve?
Ebrpd - Sunol Regional Wilderness reports serving 91 people through 4 service connections in Alameda County, California.
Where does Ebrpd - Sunol Regional Wilderness get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Ebrpd - Sunol Regional Wilderness have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Ebrpd - Sunol Regional Wilderness' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Ebrpd - Sunol Regional Wilderness' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ebrpd - Sunol Regional Wilderness is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Alameda County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| East Bay MUD | Alameda | 1,442,800 | Community | Surface water |
| 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 |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Ebrpd - Sunol Regional Wilderness, PWSID CA0105012, California”, https://aquacensus.com/water-systems/california/ebrpd-sunol-regional-wilderness-ca0105012 (data as of October 1, 2026).