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Public water system · CA0707501

Active

Angler S Ranch #3

At a glance

Angler S Ranch #3 (PWSID CA0707501) is an active community water system in Contra Costa County, California. It reports serving 60 people through 32 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2023.

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

Population served

60

Service connections

32

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA0707501
System typeCommunity water system
Activity statusActive
Population served60
Service connections32
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyContra Costa County

How does Angler S Ranch #3 compare with other water systems in Contra Costa County?

By EPA's size categories, Angler S Ranch #3 is a very small system (500 people or fewer). Contra Costa County has 84 active public water systems. Its population served is well below the county average of 6,726 people per system, and accounts for less than 0.1% of the 564,952 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 Angler S Ranch #3 is well 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 Angler S Ranch #3?

EPA lists Angler S Ranch #3 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. 57 of the 84 active systems in Contra Costa County (68%) are also privately owned.

Does Angler S Ranch #3 have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2023. The violations listed here began between October 1980 and October 2023. By type: 4 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 as archived, 1 as addressed and 1 as resolved. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2023-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoAddressed
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1984-03-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-07-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1981-10-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived
1980-10-30Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoArchived

All 6 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.

Angler S Ranch #3: frequently asked questions

Who runs Angler S Ranch #3?

Angler S Ranch #3 (PWSID CA0707501) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Angler S Ranch #3 serve?

Angler S Ranch #3 reports serving 60 people through 32 service connections in Contra Costa County, California.

Where does Angler S Ranch #3 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 Angler S Ranch #3 have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in October 2023. 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 Angler S Ranch #3'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 records list 6 violations for this system; none is health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Angler S Ranch #3's water quality report?

As a community water system, Angler S Ranch #3 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 Contra Costa County

Water systemCountyPopulation servedTypeSource
Contra Costa Water DistrictContra Costa198,000CommunitySurface water
City of AntiochContra Costa115,074CommunitySurface water
BrentwoodContra Costa64,513CommunityPurchased surface water
City of PittsburgContra Costa62,500CommunityPurchased surface water
Diablo Water DistrictContra Costa43,357CommunityPurchased surface water
City of MartinezContra Costa30,997CommunityPurchased 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, “Angler S Ranch #3, PWSID CA0707501, California”, https://aquacensus.com/water-systems/california/angler-s-ranch-3-ca0707501 (data as of October 1, 2026).