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Public water system · CA3200225

Active

Sierra Valley Preserve

At a glance

Sierra Valley Preserve (PWSID CA3200225) is an active transient non-community water system in Plumas County, California. It reports serving 25 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

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3200225
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City servedPortola
StateCalifornia
ZIP—
CountyPlumas County

How does Sierra Valley Preserve compare with other water systems in Plumas County?

By EPA's size categories, Sierra Valley Preserve is a very small system (500 people or fewer). Plumas County has 108 active public water systems. Its population served is well below the county average of 303 people per system, and accounts for less than 0.1% of the 32,740 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 Sierra Valley Preserve is well 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 Sierra Valley Preserve?

EPA lists Sierra Valley Preserve 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. 64 of the 108 active systems in Plumas County (59%) are also privately owned.

Does Sierra Valley Preserve 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 Sierra Valley Preserve. For the latest compliance status, check EPA ECHO for current compliance history.

Sierra Valley Preserve: frequently asked questions

Who runs Sierra Valley Preserve?

Sierra Valley Preserve (PWSID CA3200225) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Sierra Valley Preserve serve?

Sierra Valley Preserve reports serving 25 people through 1 service connection in Plumas County, California.

Where does Sierra Valley Preserve 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 Sierra Valley Preserve have any drinking water violations?

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

Is Sierra Valley Preserve'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 Sierra Valley Preserve's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Sierra Valley Preserve 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 Plumas County

Water systemCountyPopulation servedTypeSource
Lake Almanor Country Club MwcPlumas6,000CommunityGroundwater
American Valley CsdPlumas3,778CommunityGroundwater
Chester Public U.D.Plumas2,187CommunityGroundwater
City of PortolaPlumas2,100CommunityPurchased surface water
Hamilton Branch CsdPlumas1,874CommunityGroundwater
Plumas Eureka CsdPlumas1,534CommunityGroundwater

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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, “Sierra Valley Preserve, PWSID CA3200225, California”, https://aquacensus.com/water-systems/california/sierra-valley-preserve-ca3200225 (data as of October 1, 2026).