Public water system · CA3601029
ActiveLake Wainani Owners Assoc
At a glance
Lake Wainani Owners Assoc (PWSID CA3601029) is an active transient non-community water system in San Bernardino County, California. It reports serving 48 people through 35 service connections. 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
48
Service connections
35
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake Wainani Owners Assoc compare with other water systems in San Bernardino County?
By EPA's size categories, Lake Wainani Owners Assoc is a very small system (500 people or fewer). San Bernardino County has 306 active public water systems. Its population served is well below the county average of 9,227 people per system, and accounts for less than 0.1% of the 2,823,318 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 Lake Wainani Owners Assoc is about 67% 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 Lake Wainani Owners Assoc?
EPA lists Lake Wainani Owners Assoc 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. 201 of the 306 active systems in San Bernardino County (66%) are also privately owned.
Does Lake Wainani Owners Assoc 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 Lake Wainani Owners Assoc. For the latest compliance status, check EPA ECHO for current compliance history.
Lake Wainani Owners Assoc: frequently asked questions
Who runs Lake Wainani Owners Assoc?
Lake Wainani Owners Assoc (PWSID CA3601029) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Lake Wainani Owners Assoc serve?
Lake Wainani Owners Assoc reports serving 48 people through 35 service connections in San Bernardino County, California.
Where does Lake Wainani Owners Assoc 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 Lake Wainani Owners Assoc have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Lake Wainani Owners Assoc'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 Lake Wainani Owners Assoc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Wainani Owners Assoc 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 San Bernardino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Gabriel Valley Wc - Fontana | San Bernardino | 237,700 | Community | Surface water |
| San Bernardino City | San Bernardino | 214,665 | Community | Groundwater |
| Cucamonga Valley Water District | San Bernardino | 211,069 | Community | Surface water |
| Ontario Municipal Utilities Company | San Bernardino | 185,010 | Community | Purchased surface water |
| Victorville Water District | San Bernardino | 135,983 | Community | Purchased surface water |
| San Bernardino Valley Wd | San Bernardino | 109,608 | Community | Groundwater |
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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, “Lake Wainani Owners Assoc, PWSID CA3601029, California”, https://aquacensus.com/water-systems/california/lake-wainani-owners-assoc-ca3601029 (data as of October 1, 2026).