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Public water system · CA4901071

Active

Boulevard Heights Mutual Water

At a glance

Boulevard Heights Mutual Water (PWSID CA4901071) is an active community water system in Sonoma County, California. It reports serving 60 people through 18 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, none is health-based, and the most recent began in October 2013.

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

Population served

60

Service connections

18

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA4901071
System typeCommunity water system
Activity statusActive
Population served60
Service connections18
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySonoma County

How does Boulevard Heights Mutual Water compare with other water systems in Sonoma County?

By EPA's size categories, Boulevard Heights Mutual Water is a very small system (500 people or fewer). Sonoma County has 441 active public water systems. Its population served is well below the county average of 1,092 people per system, and accounts for less than 0.1% 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 community water system reports serving 6,703 people, so Boulevard Heights Mutual Water 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 Boulevard Heights Mutual Water?

EPA lists Boulevard Heights Mutual Water 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 Boulevard Heights Mutual Water have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2013. The violations listed here began between January 1996 and October 2013. By type: 8 monitoring and reporting and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 12 as resolved. 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
2013-10-31Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2013-09-11Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2013-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2004-10-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2004-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2003-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
1999-02-09Monitoring and reportingMonitoring, Regular · code 03Atrazinecode 2050NoResolved
1999-02-09Monitoring and reportingMonitoring, Check/Repeat/Confirmation · code 04Picloramcode 2040NoResolved
1998-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-07-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
1996-06-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
1996-01-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved

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.

Boulevard Heights Mutual Water: frequently asked questions

Who runs Boulevard Heights Mutual Water?

Boulevard Heights Mutual Water (PWSID CA4901071) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Boulevard Heights Mutual Water serve?

Boulevard Heights Mutual Water reports serving 60 people through 18 service connections in Sonoma County, California.

Where does Boulevard Heights Mutual Water 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 Boulevard Heights Mutual Water have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2013. 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 Boulevard Heights Mutual Water'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, none is health-based, and the most recent began in October 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Boulevard Heights Mutual Water's water quality report?

As a community water system, Boulevard Heights Mutual Water 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 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, “Boulevard Heights Mutual Water, PWSID CA4901071, California”, https://aquacensus.com/water-systems/california/boulevard-heights-mutual-water-ca4901071 (data as of October 1, 2026).