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Public water system · CA3710039

Active

Pine Valley Mutual Wc

At a glance

Pine Valley Mutual Wc (PWSID CA3710039) is an active community water system in San Diego County, California. It reports serving 2,645 people through 721 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2025.

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

Population served

2,645

Service connections

721

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA3710039
System typeCommunity water system
Activity statusActive
Population served2,645
Service connections721
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySan Diego County

How does Pine Valley Mutual Wc compare with other water systems in San Diego County?

By EPA's size categories, Pine Valley Mutual Wc is a small system (501 to 3,300 people). San Diego County has 191 active public water systems. Its population served is well below the county average of 19,427 people per system, and accounts for less than 0.1% of the 3,710,459 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 Pine Valley Mutual Wc is about 61% 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 Pine Valley Mutual Wc?

EPA lists Pine Valley Mutual Wc 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. 101 of the 191 active systems in San Diego County (53%) are also privately owned.

Does Pine Valley Mutual Wc have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2025. The violations listed here began between July 2023 and July 2025. By type: 8 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Combined Uranium (12 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2025-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2024-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2024-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2024-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived
2024-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2023-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2023-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived
2023-07-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived

The 12 most recent violations in EPA's records, newest first.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.

Pine Valley Mutual Wc: frequently asked questions

Who runs Pine Valley Mutual Wc?

Pine Valley Mutual Wc (PWSID CA3710039) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Pine Valley Mutual Wc serve?

Pine Valley Mutual Wc reports serving 2,645 people through 721 service connections in San Diego County, California.

Where does Pine Valley Mutual Wc 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 Pine Valley Mutual Wc have any drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2025. 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 Pine Valley Mutual Wc'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. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Pine Valley Mutual Wc's water quality report?

As a community water system, Pine Valley Mutual Wc 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 San Diego County

Water systemCountyPopulation servedTypeSource
San Diego, City ofSan Diego1,385,379CommunitySurface water
Helix Water DistrictSan Diego277,668CommunitySurface water
Otay Water DistrictSan Diego238,008CommunityPurchased surface water
Sweetwater AuthoritySan Diego191,282CommunitySurface water
Oceanside, City ofSan Diego171,483CommunityPurchased surface water
Escondido, City ofSan Diego137,044CommunitySurface 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, “Pine Valley Mutual Wc, PWSID CA3710039, California”, https://aquacensus.com/water-systems/california/pine-valley-mutual-wc-ca3710039 (data as of October 1, 2026).