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Public water system · MO3024159

Active

Cole County Pwsd 1

At a glance

Cole County Pwsd 1 (PWSID MO3024159) is an active community water system in Cole County, Missouri. It reports serving 16,548 people through 6,995 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2025.

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

Population served

16,548

Service connections

6,995

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO3024159
System typeCommunity water system
Activity statusActive
Population served16,548
Service connections6,995
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedJefferson City
StateMissouri
ZIP—
CountyCole County

How does Cole County Pwsd 1 compare with other water systems in Cole County?

By EPA's size categories, Cole County Pwsd 1 is a large system (10,001 to 100,000 people). Cole County has 17 active public water systems, and Cole County Pwsd 1 is the 2nd-largest of them by population served. Its population served is about 3.8 times the county average of 4,341 people per system, and accounts for 22% of the 73,799 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Cole County Pwsd 1 is about 147% above 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. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.

Who owns and regulates Cole County Pwsd 1?

EPA lists Cole County Pwsd 1 as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 17 active systems in Cole County (47%) are also owned by a local government.

Does Cole County Pwsd 1 have drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between October 1999 and July 2025. By type: 1 reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule Revisions, Consumer Confidence Rule and Total coliform bacteria (TCR). EPA lists 1 as unaddressed, 1 as resolved and 1 as archived. Unaddressed means the violation is not resolved or archived and is not yet 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. 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
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2006-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
1999-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 3 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.

Cole County Pwsd 1: frequently asked questions

Who runs Cole County Pwsd 1?

Cole County Pwsd 1 (PWSID MO3024159) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Cole County Pwsd 1 serve?

Cole County Pwsd 1 reports serving 16,548 people through 6,995 service connections in Cole County, Missouri.

Where does Cole County Pwsd 1 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 Cole County Pwsd 1 have any drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Cole County Pwsd 1'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 3 violations for this system; 1 is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Cole County Pwsd 1's water quality report?

As a community water system, Cole County Pwsd 1 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 Cole County

Water systemCountyPopulation servedTypeSource
Mo American Jefferson City DistrictCole30,075CommunitySurface water
Cole County Pwsd 2Cole13,107CommunityGroundwater
Cole County Pwsd 4Cole7,568CommunityGroundwater
Cole County Pwsd 3Cole2,000CommunityGroundwater
Mo American WardsvilleCole1,506CommunityGroundwater
Russellville PwsCole800CommunityGroundwater

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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, “Cole County Pwsd 1, PWSID MO3024159, Missouri”, https://aquacensus.com/water-systems/missouri/cole-county-pwsd-1-mo3024159 (data as of October 1, 2026).