Public water system · CA3600481
ActiveHanna Flats Campground
At a glance
Hanna Flats Campground (PWSID CA3600481) is an active transient non-community water system in San Bernardino County, California. It reports serving 14,380 people through 19 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,380
Service connections
19
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hanna Flats Campground compare with other water systems in San Bernardino County?
By EPA's size categories, Hanna Flats Campground is a large system (10,001 to 100,000 people). San Bernardino County has 306 active public water systems. Its population served is about 56% above the county average of 9,227 people per system, and accounts for 0.5% 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 Hanna Flats Campground is about 100 times 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 Hanna Flats Campground?
EPA lists Hanna Flats Campground as owned by the federal 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. 21 of the 306 active systems in San Bernardino County (6.9%) are also owned by the federal government.
Does Hanna Flats Campground 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 Hanna Flats Campground. For the latest compliance status, check EPA ECHO for current compliance history.
Hanna Flats Campground: frequently asked questions
Who runs Hanna Flats Campground?
Hanna Flats Campground (PWSID CA3600481) is a transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.
How many people does Hanna Flats Campground serve?
Hanna Flats Campground reports serving 14,380 people through 19 service connections in San Bernardino County, California.
Where does Hanna Flats Campground 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 Hanna Flats Campground have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Hanna Flats Campground'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 Hanna Flats Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hanna Flats Campground 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, “Hanna Flats Campground, PWSID CA3600481, California”, https://aquacensus.com/water-systems/california/hanna-flats-campground-ca3600481 (data as of October 1, 2026).