Public water system · 090600272
ActiveAcorn Ridge Casino
At a glance
Acorn Ridge Casino (PWSID 090600272) is an active non-transient non-community water system in California. It reports serving 3,640 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,640
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Acorn Ridge Casino compare with other water systems in California?
By EPA's size categories, Acorn Ridge Casino is a medium system (3,301 to 10,000 people). Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Acorn Ridge Casino is about 8.5 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Acorn Ridge Casino?
EPA lists Acorn Ridge Casino as Native American-owned. The EPA Region 09 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Acorn Ridge Casino 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 Acorn Ridge Casino. For the latest compliance status, check EPA ECHO for current compliance history.
Acorn Ridge Casino: frequently asked questions
Who runs Acorn Ridge Casino?
Acorn Ridge Casino (PWSID 090600272) is a non-transient non-community water system Native American-owned. It is regulated by the EPA Region 09.
How many people does Acorn Ridge Casino serve?
Acorn Ridge Casino reports serving 3,640 people through 1 service connection in California.
Where does Acorn Ridge Casino 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 Acorn Ridge Casino have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Acorn Ridge Casino'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 EPA Region 09.
Where can I find Acorn Ridge Casino's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Acorn Ridge Casino is a non-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 California
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 3,875,566 | Community | Surface water |
| East Bay MUD | Alameda | 1,442,800 | Community | Surface water |
| San Diego, City of | San Diego | 1,385,379 | Community | Surface water |
| San Jose Water | Santa Clara | 1,039,920 | Community | Surface water |
| Sfpuc City Distribution Division | San Francisco | 848,019 | Community | Purchased surface water |
| Eastern Municipal Wd | Riverside | 666,581 | 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, “Acorn Ridge Casino, PWSID 090600272, California”, https://aquacensus.com/water-systems/california/acorn-ridge-casino-090600272 (data as of October 1, 2026).