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Public water system · CA5301114

Active

Hayward Flat Campground

At a glance

Hayward Flat Campground (PWSID CA5301114) is an active transient non-community water system in Trinity County, California. It reports serving 440 people through 21 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

440

Service connections

21

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA5301114
System typeTransient non-community water system
Activity statusActive
Population served440
Service connections21
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyTrinity County

How does Hayward Flat Campground compare with other water systems in Trinity County?

By EPA's size categories, Hayward Flat Campground is a very small system (500 people or fewer). Trinity County has 42 active public water systems, and Hayward Flat Campground is the 6th-largest of them by population served. Its population served is about 27% above the county average of 347 people per system, and accounts for 3% of the 14,561 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 Hayward Flat Campground is about 3.1 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 Hayward Flat Campground?

EPA lists Hayward Flat 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. 9 of the 42 active systems in Trinity County (21%) are also owned by the federal government.

Does Hayward Flat 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 Hayward Flat Campground. For the latest compliance status, check EPA ECHO for current compliance history.

Hayward Flat Campground: frequently asked questions

Who runs Hayward Flat Campground?

Hayward Flat Campground (PWSID CA5301114) 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 Hayward Flat Campground serve?

Hayward Flat Campground reports serving 440 people through 21 service connections in Trinity County, California.

Where does Hayward Flat 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 Hayward Flat Campground have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Hayward Flat 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 Hayward Flat Campground's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Hayward Flat 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 Trinity County

Water systemCountyPopulation servedTypeSource
Weaverville C.S.D.Trinity3,975CommunitySurface water
Trinity Co. W.W. Dist #1Trinity2,324CommunitySurface water
Trinity Center M.W.C.Trinity729CommunitySurface water
Lewiston Community Services DistrictTrinity677CommunitySurface water
Clark SystemTrinity450Transient non-communityGroundwater
Tannery Gulch CampgroundTrinity410Transient non-communityGroundwater

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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, “Hayward Flat Campground, PWSID CA5301114, California”, https://aquacensus.com/water-systems/california/hayward-flat-campground-ca5301114 (data as of October 1, 2026).