Public water system · CA2710012
ActiveCwsc Salinas Hills
At a glance
Cwsc Salinas Hills (PWSID CA2710012) is an active community water system in Monterey County, California. It reports serving 5,293 people through 2,354 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in August 1985.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,293
Service connections
2,354
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cwsc Salinas Hills compare with other water systems in Monterey County?
By EPA's size categories, Cwsc Salinas Hills is a medium system (3,301 to 10,000 people). Monterey County has 307 active public water systems. Its population served is about 3.4 times the county average of 1,552 people per system, and accounts for 1.1% of the 476,419 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Cwsc Salinas Hills is about 21% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 Cwsc Salinas Hills?
EPA lists Cwsc Salinas Hills 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. 266 of the 307 active systems in Monterey County (87%) are also privately owned.
Does Cwsc Salinas Hills have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in August 1985. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Arsenic. EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1985-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Arseniccode 1005 | Yes | Archived |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Cwsc Salinas Hills: frequently asked questions
Who runs Cwsc Salinas Hills?
Cwsc Salinas Hills (PWSID CA2710012) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Cwsc Salinas Hills serve?
Cwsc Salinas Hills reports serving 5,293 people through 2,354 service connections in Monterey County, California.
Where does Cwsc Salinas Hills 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 Cwsc Salinas Hills have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in August 1985. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Cwsc Salinas Hills' 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 records list one violation for this system; it is health-based, and the most recent began in August 1985. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Cwsc Salinas Hills' water quality report?
As a community water system, Cwsc Salinas Hills must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Monterey County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cwsc Salinas | Monterey | 123,679 | Community | Groundwater |
| Cal Am Water Company - Monterey | Monterey | 92,450 | Community | Groundwater under influence of surface water |
| Alco Water Service | Monterey | 56,253 | Community | Groundwater |
| Marina Coast Water District | Monterey | 38,377 | Community | Groundwater |
| Soledad, City of | Monterey | 19,455 | Community | Groundwater |
| Greenfield, City of | Monterey | 18,967 | Community | Groundwater |
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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, “Cwsc Salinas Hills, PWSID CA2710012, California”, https://aquacensus.com/water-systems/california/cwsc-salinas-hills-ca2710012 (data as of October 1, 2026).