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Public water system · CA4901370

Active

Sutter Santa Rosa Regional Hospital

At a glance

Sutter Santa Rosa Regional Hospital (PWSID CA4901370) is an active non-transient non-community water system in Sonoma County, California. It reports serving 1,000 people through 3 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

1,000

Service connections

3

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA4901370
System typeNon-transient non-community water system
Activity statusActive
Population served1,000
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySonoma County

How does Sutter Santa Rosa Regional Hospital compare with other water systems in Sonoma County?

By EPA's size categories, Sutter Santa Rosa Regional Hospital is a small system (501 to 3,300 people). Sonoma County has 441 active public water systems. Its population served is roughly in line with the county average of 1,092 people per system, and accounts for 0.2% of the 481,435 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 Sutter Santa Rosa Regional Hospital is about 133% 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 Sutter Santa Rosa Regional Hospital?

EPA lists Sutter Santa Rosa Regional Hospital 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. 371 of the 441 active systems in Sonoma County (84%) are also privately owned.

Does Sutter Santa Rosa Regional Hospital 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 Sutter Santa Rosa Regional Hospital. For the latest compliance status, check EPA ECHO for current compliance history.

Sutter Santa Rosa Regional Hospital: frequently asked questions

Who runs Sutter Santa Rosa Regional Hospital?

Sutter Santa Rosa Regional Hospital (PWSID CA4901370) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Sutter Santa Rosa Regional Hospital serve?

Sutter Santa Rosa Regional Hospital reports serving 1,000 people through 3 service connections in Sonoma County, California.

Where does Sutter Santa Rosa Regional Hospital 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 Sutter Santa Rosa Regional Hospital have any drinking water violations?

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

Is Sutter Santa Rosa Regional Hospital'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 Sutter Santa Rosa Regional Hospital's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Sutter Santa Rosa Regional Hospital 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 Sonoma County

Water systemCountyPopulation servedTypeSource
Santa Rosa, City ofSonoma175,396CommunityGroundwater
Petaluma, City ofSonoma60,781CommunityGroundwater
Rohnert Park, City ofSonoma43,821CommunityGroundwater
Windsor, Town ofSonoma25,561CommunityGroundwater
Valley of the Moon Water DistrictSonoma23,107CommunityGroundwater
Sonoma, City ofSonoma11,725CommunityGroundwater

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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, “Sutter Santa Rosa Regional Hospital, PWSID CA4901370, California”, https://aquacensus.com/water-systems/california/sutter-santa-rosa-regional-hospital-ca4901370 (data as of October 1, 2026).