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Public water system · CA3400253

Active

Cosumnes River Elementary School

At a glance

Cosumnes River Elementary School (PWSID CA3400253) is an active non-transient non-community water system in Sacramento County, California. It reports serving 560 people through 8 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

560

Service connections

8

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA3400253
System typeNon-transient non-community water system
Activity statusActive
Population served560
Service connections8
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySacramento County

How does Cosumnes River Elementary School compare with other water systems in Sacramento County?

By EPA's size categories, Cosumnes River Elementary School is a small system (501 to 3,300 people). Sacramento County has 164 active public water systems. Its population served is well below the county average of 10,325 people per system, and accounts for less than 0.1% of the 1,693,284 people reported by systems filed under the county. 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 Cosumnes River Elementary School is about 30% above 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 Cosumnes River Elementary School?

EPA lists Cosumnes River Elementary School as owned by a local 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. 37 of the 164 active systems in Sacramento County (23%) are also owned by a local government.

Does Cosumnes River Elementary School 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 Cosumnes River Elementary School. For the latest compliance status, check EPA ECHO for current compliance history.

Cosumnes River Elementary School: frequently asked questions

Who runs Cosumnes River Elementary School?

Cosumnes River Elementary School (PWSID CA3400253) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Cosumnes River Elementary School serve?

Cosumnes River Elementary School reports serving 560 people through 8 service connections in Sacramento County, California.

Where does Cosumnes River Elementary School 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 Cosumnes River Elementary School have any drinking water violations?

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

Is Cosumnes River Elementary School'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 Cosumnes River Elementary School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cosumnes River Elementary School 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 Sacramento County

Water systemCountyPopulation servedTypeSource
City of Sacramento MainSacramento527,979CommunitySurface water
Sacramento Suburban Water DistrictSacramento194,444CommunityPurchased surface water
Scwa - Laguna/VineyardSacramento184,896CommunitySurface water
Folsom, City of - MainSacramento80,969CommunitySurface water
Citrus Heights Water DistrictSacramento67,818CommunityPurchased surface water
Cal Am - Suburban RosemontSacramento54,793CommunityPurchased 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, “Cosumnes River Elementary School, PWSID CA3400253, California”, https://aquacensus.com/water-systems/california/cosumnes-river-elementary-school-ca3400253 (data as of October 1, 2026).