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Public water system · CA5400542

Active

Ducor Csd

At a glance

Ducor Csd (PWSID CA5400542) is an active community water system in Tulare County, California. It reports serving 616 people through 176 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 October 2024.

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

Population served

616

Service connections

176

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCA5400542
System typeCommunity water system
Activity statusActive
Population served616
Service connections176
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyTulare County

How does Ducor Csd compare with other water systems in Tulare County?

By EPA's size categories, Ducor Csd is a small system (501 to 3,300 people). Tulare County has 274 active public water systems. Its population served is about 64% below the county average of 1,700 people per system, and accounts for 0.1% of the 465,710 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 Ducor Csd 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 Ducor Csd?

EPA lists Ducor Csd 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. 184 of the 274 active systems in Tulare County (67%) are also privately owned.

Does Ducor Csd have drinking water violations?

Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in October 2024. The violations listed here began between September 2007 and October 2024. By type: 7 contaminant level above the legal limit, 1 reporting, 1 required treatment not met, 1 monitoring, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 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
2016-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2013-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2011-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2011-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesResolved
2008-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Ducor Csd: frequently asked questions

Who runs Ducor Csd?

Ducor Csd (PWSID CA5400542) is a community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Ducor Csd serve?

Ducor Csd reports serving 616 people through 176 service connections in Tulare County, California.

Where does Ducor Csd 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 Ducor Csd 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 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 Ducor Csd'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 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 Ducor Csd's water quality report?

As a community water system, Ducor Csd 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 Tulare County

Water systemCountyPopulation servedTypeSource
Cws - VisaliaTulare148,496CommunityGroundwater
Tulare, City ofTulare72,241CommunityGroundwater
Porterville, City ofTulare63,487CommunityGroundwater
Dinuba, City ofTulare27,281CommunityGroundwater
Lindsay, City ofTulare12,659CommunitySurface water
Exeter, City ofTulare11,169CommunityGroundwater

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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, “Ducor Csd, PWSID CA5400542, California”, https://aquacensus.com/water-systems/california/ducor-csd-ca5400542 (data as of October 1, 2026).