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Public water system · CA4400904

Active

Cassin Ranch (Driscoll'S)

At a glance

Cassin Ranch (Driscoll'S) (PWSID CA4400904) is an active non-transient non-community water system in Santa Cruz County, California. It reports serving 30 people through 8 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

30

Service connections

8

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA4400904
System typeNon-transient non-community water system
Activity statusActive
Population served30
Service connections8
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySanta Cruz County

How does Cassin Ranch (Driscoll'S) compare with other water systems in Santa Cruz County?

By EPA's size categories, Cassin Ranch (Driscoll'S) is a very small system (500 people or fewer). Santa Cruz County has 96 active public water systems. Its population served is well below the county average of 2,856 people per system, and accounts for less than 0.1% of the 274,204 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 Cassin Ranch (Driscoll'S) is well below 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 Cassin Ranch (Driscoll'S)?

EPA lists Cassin Ranch (Driscoll'S) 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. 76 of the 96 active systems in Santa Cruz County (79%) are also privately owned.

Does Cassin Ranch (Driscoll'S) 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 Cassin Ranch (Driscoll'S). For the latest compliance status, check EPA ECHO for current compliance history.

Cassin Ranch (Driscoll'S): frequently asked questions

Who runs Cassin Ranch (Driscoll'S)?

Cassin Ranch (Driscoll'S) (PWSID CA4400904) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Cassin Ranch (Driscoll'S) serve?

Cassin Ranch (Driscoll'S) reports serving 30 people through 8 service connections in Santa Cruz County, California.

Where does Cassin Ranch (Driscoll'S) 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 Cassin Ranch (Driscoll'S) have any drinking water violations?

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

Is Cassin Ranch (Driscoll'S)'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 Cassin Ranch (Driscoll'S)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cassin Ranch (Driscoll'S) 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 Santa Cruz County

Water systemCountyPopulation servedTypeSource
Santa Cruz Water DepartmentSanta Cruz94,626CommunitySurface water
Watsonville, City ofSanta Cruz65,231CommunitySurface water
Soquel Creek Water DistrictSanta Cruz40,809CommunityPurchased surface water
San Lorenzo Valley Water DistSanta Cruz21,145CommunitySurface water
Cabrillo CollegeSanta Cruz12,000Non-transient non-communityGroundwater
Scotts Valley Water DistrictSanta Cruz11,197CommunityGroundwater

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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, “Cassin Ranch (Driscoll'S), PWSID CA4400904, California”, https://aquacensus.com/water-systems/california/cassin-ranch-driscoll-s-ca4400904 (data as of October 1, 2026).