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AquaCensus

Public water system · CA1910083

Active

Manhattan Beach-City, Water Dept.

At a glance

Manhattan Beach-City, Water Dept. (PWSID CA1910083) is an active community water system in Los Angeles County, California. It reports serving 32,697 people through 13,444 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 1998.

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

Population served

32,697

Service connections

13,444

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDCA1910083
System typeCommunity water system
Activity statusActive
Population served32,697
Service connections13,444
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyCA state drinking water program
City servedManhattan Beach
StateCalifornia
ZIP—
CountyLos Angeles County

How does Manhattan Beach-City, Water Dept. compare with other water systems in Los Angeles County?

By EPA's size categories, Manhattan Beach-City, Water Dept. is a large system (10,001 to 100,000 people). Los Angeles County has 275 active public water systems. Its population served is about 11% below the county average of 36,762 people per system, and accounts for 0.3% of the 10,109,668 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 Manhattan Beach-City, Water Dept. is about 4.9 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 506 California systems (6.8%) list purchased surface water as their primary source.

Who owns and regulates Manhattan Beach-City, Water Dept.?

EPA lists Manhattan Beach-City, Water Dept. as owned by a local government. 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. 100 of the 275 active systems in Los Angeles County (36%) are also owned by a local government.

Does Manhattan Beach-City, Water Dept. have drinking water violations?

EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 1998. The violations listed here began between September 1987 and October 1998. By type: 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as resolved and 1 as archived. 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. 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
1998-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1987-09-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived

All 2 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.

Manhattan Beach-City, Water Dept.: frequently asked questions

Who runs Manhattan Beach-City, Water Dept.?

Manhattan Beach-City, Water Dept. (PWSID CA1910083) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Manhattan Beach-City, Water Dept. serve?

Manhattan Beach-City, Water Dept. reports serving 32,697 people through 13,444 service connections in Los Angeles County, California.

Where does Manhattan Beach-City, Water Dept. get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Manhattan Beach-City, Water Dept. have any drinking water violations?

EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 1998. 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 Manhattan Beach-City, Water Dept.'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 2 violations for this system; 1 is health-based, and the most recent began in October 1998. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Manhattan Beach-City, Water Dept.'s water quality report?

As a community water system, Manhattan Beach-City, Water Dept. 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 Los Angeles County

Water systemCountyPopulation servedTypeSource
Los Angeles-City, Dept. of Water & PowerLos Angeles3,875,566CommunitySurface water
Long Beach Utilities DepartmentLos Angeles466,772CommunityPurchased surface water
Santa Clarita Valley Water AgencyLos Angeles294,090CommunitySurface water
Gswc - SouthwestLos Angeles277,740CommunityPurchased surface water
San Gabriel Valley Water Co.-El MonteLos Angeles248,000CommunityGroundwater
Los Angeles Cwwd 40 Reg 4 & 34 LancasterLos Angeles208,129CommunityPurchased 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, “Manhattan Beach-City, Water Dept., PWSID CA1910083, California”, https://aquacensus.com/water-systems/california/manhattan-beach-city-water-dept-ca1910083 (data as of October 1, 2026).