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Public water system · CA1200541

Active

Phillipsville C.S.D.

At a glance

Phillipsville C.S.D. (PWSID CA1200541) is an active community water system in Humboldt County, California. It reports serving 124 people through 80 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, 5 are health-based, and the most recent began in October 2024.

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

Population served

124

Service connections

80

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA1200541
System typeCommunity water system
Activity statusActive
Population served124
Service connections80
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyHumboldt County

How does Phillipsville C.S.D. compare with other water systems in Humboldt County?

By EPA's size categories, Phillipsville C.S.D. is a very small system (500 people or fewer). Humboldt County has 90 active public water systems. Its population served is well below the county average of 1,486 people per system, and accounts for less than 0.1% of the 133,779 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 Phillipsville C.S.D. 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 Phillipsville C.S.D.?

EPA lists Phillipsville C.S.D. 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. 41 of the 90 active systems in Humboldt County (46%) are also privately owned.

Does Phillipsville C.S.D. have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. The violations listed here began between January 1996 and October 2024. By type: 4 monitoring and reporting, 3 contaminant level above the legal limit, 2 required treatment not met, 1 reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoUnaddressed
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesUnaddressed
2021-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2018-01-01Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2BRevised Total Coliform Rulecode 8000YesResolved
2017-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-01-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2007-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-02-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
1996-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

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.

Phillipsville C.S.D.: frequently asked questions

Who runs Phillipsville C.S.D.?

Phillipsville C.S.D. (PWSID CA1200541) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Phillipsville C.S.D. serve?

Phillipsville C.S.D. reports serving 124 people through 80 service connections in Humboldt County, California.

Where does Phillipsville C.S.D. 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 Phillipsville C.S.D. have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. 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 Phillipsville C.S.D.'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, 5 are health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find Phillipsville C.S.D.'s water quality report?

As a community water system, Phillipsville C.S.D. 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 Humboldt County

Water systemCountyPopulation servedTypeSource
Eureka, City ofHumboldt27,078CommunityPurchased groundwater
Arcata, City ofHumboldt20,875CommunityPurchased groundwater
Humboldt C.S.D.Humboldt19,807CommunityGroundwater
Mckinleyville C.S.D.Humboldt16,900CommunityPurchased groundwater
Fortuna, City ofHumboldt12,133CommunityGroundwater
Rio Dell, City ofHumboldt3,300CommunitySurface 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, “Phillipsville C.S.D., PWSID CA1200541, California”, https://aquacensus.com/water-systems/california/phillipsville-c-s-d-ca1200541 (data as of October 1, 2026).