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NIXA PWS

PWS ID: MO5010576 · NIXA, Missouri 65714-0000

NIXA PWS serves 24,532 people in NIXA, Missouri using Groundwater water sources. It has 84 recorded EPA violations, including 72 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NIXA PWS

NIXA PWS is a local-owned community water system that delivers drinking water to 24,532 residents in NIXA, Missouri (Christian County) through 9,814 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 84 total violations for this system , of which 72 (86%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 71 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. NIXA PWS's 84 violations sit above the Missouri average. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
24,532
Total Violations
84
Health-Based Violations
72
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
9,814
County
Christian
School/Daycare
No
MCL Violations
71
Monitoring Violations
0
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 71 2014
Revised Total Coliform Rule RPT 4 2024
Public Notice Other 1 2014
Groundwater Rule TT 1 2010

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 540 samples detected PFAS.

Contaminant Date Result MRL Status
PFTrDA 7/29/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/29/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/29/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 7/29/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/3/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFDA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
lithium 6/3/2024 <9 µg/L 9 µg/L Not Detected
PFBS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFEESA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/3/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/3/2024 <9 µg/L 9 µg/L Not Detected
ADONA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/3/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/3/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 6/3/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFOS 6/3/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 6/3/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 6/3/2024 <0.003 µg/L 0.003 µg/L Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for NIXA PWS.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID MO5010576 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR — Public Drinking Water Branch is the primacy agency that licenses and inspects NIXA PWS under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR — Public Drinking Water Branch

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 Revised Total Coliform Rule RPT 4 SDWIS / MO5010576 / 8000
2014 Coliform (TCR) MCL 71 SDWIS / MO5010576 / 3100
2014 Public Notice Other 1 SDWIS / MO5010576 / 7500
2010 Groundwater Rule TT 1 SDWIS / MO5010576 / 0700

How NIXA PWS Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric NIXA PWS Missouri avg Federal benchmark
Total violations 84 71.4 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 72 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 70.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 24,532 2,074 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.

Federal MCL reference — Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NIXA PWS water safe to drink? ▼
NIXA PWS (PWS ID: MO5010576) has 84 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 24,532 people using Groundwater sources.
How many people does NIXA PWS serve? ▼
NIXA PWS serves 24,532 people in NIXA, Missouri. It is a Local-owned system using Groundwater water sources with 9,814 service connections.
What type of violations does NIXA PWS have? ▼
NIXA PWS has 84 total violations: 72 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NIXA PWS water? ▼
No. NIXA PWS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does NIXA PWS use? ▼
NIXA PWS uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial