Public water system · CA0105019
ActiveSunol Super Stop
At a glance
Sunol Super Stop (PWSID CA0105019) is an active transient non-community water system in Alameda County, California. It reports serving 155 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
155
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Sunol Super Stop compare with other water systems in Alameda County?
By EPA's size categories, Sunol Super Stop 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 Sunol Super Stop is roughly in line with 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 Sunol Super Stop?
EPA lists Sunol Super Stop as privately owned. 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. 8 of the 27 active systems in Alameda County (30%) are also privately owned.
Does Sunol Super Stop 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 Sunol Super Stop. For the latest compliance status, check EPA ECHO for current compliance history.
Sunol Super Stop: frequently asked questions
Who runs Sunol Super Stop?
Sunol Super Stop (PWSID CA0105019) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Sunol Super Stop serve?
Sunol Super Stop reports serving 155 people through 1 service connection in Alameda County, California.
Where does Sunol Super Stop 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 Sunol Super Stop have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Sunol Super Stop's 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 Sunol Super Stop's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sunol Super Stop 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, “Sunol Super Stop, PWSID CA0105019, California”, https://aquacensus.com/water-systems/california/sunol-super-stop-ca0105019 (data as of October 1, 2026).