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Public water system · MO5010576

Active

Nixa Pws

At a glance

Nixa Pws (PWSID MO5010576) is an active community water system in Christian County, Missouri. It reports serving 24,532 people through 10,288 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 2024.

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

Population served

24,532

Service connections

10,288

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO5010576
System typeCommunity water system
Activity statusActive
Population served24,532
Service connections10,288
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedNixa
StateMissouri
ZIP—
CountyChristian County

How does Nixa Pws compare with other water systems in Christian County?

By EPA's size categories, Nixa Pws is a large system (10,001 to 100,000 people). Christian County has 41 active public water systems, and Nixa Pws is the largest of them by population served. Its population served is about 17 times the county average of 1,478 people per system, and accounts for 40% of the 60,576 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 Nixa Pws is about 3.7 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. 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 Nixa Pws?

EPA lists Nixa Pws 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. 10 of the 41 active systems in Christian County (24%) are also owned by a local government.

Does Nixa Pws have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 2024. The violations listed here began between December 2009 and August 2024. By type: 9 contaminant level above the legal limit, 1 reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 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
2024-08-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2014-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2014-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2014-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2014-01-16Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2013-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2013-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2013-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2011-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2011-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-06-19Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2009-12-01Contaminant 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.

Nixa Pws: frequently asked questions

Who runs Nixa Pws?

Nixa Pws (PWSID MO5010576) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Nixa Pws serve?

Nixa Pws reports serving 24,532 people through 10,288 service connections in Christian County, Missouri.

Where does Nixa Pws 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 Nixa Pws have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 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 Nixa Pws' 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, 10 are health-based, and the most recent began in August 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Nixa Pws' water quality report?

As a community water system, Nixa Pws 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 Christian County

Water systemCountyPopulation servedTypeSource
Ozark PwsChristian22,000CommunityGroundwater
Nixa Pws RdeChristian2,900CommunityGroundwater
Clever PwsChristian2,139CommunityGroundwater
Sparta PwsChristian1,946CommunityGroundwater
Highlandville PwsChristian1,417CommunityGroundwater
Billings PwsChristian1,035CommunityGroundwater

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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, “Nixa Pws, PWSID MO5010576, Missouri”, https://aquacensus.com/water-systems/missouri/nixa-pws-mo5010576 (data as of October 1, 2026).