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Community Water System · PWS MO1010184

Concordia PWS

Concordia, Missouri 64020-0000 - drinking water served from surface water sources to 2,500 people, tracked in EPA SDWIS and UCMR5.

2,500
People served
70
EPA violations
34
Health-based
Untested
UCMR5 result

The verdict

EPA records 70 drinking-water violations at Concordia PWS, 49% of them health-based - below the Missouri per-system average.

70
Total EPA violations on record
49%
Health-based (MCL / treatment failure)
2,500
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Concordia PWS

Concordia PWS is a local-owned community water system that delivers drinking water to 2,500 residents in Concordia, Missouri (Lafayette County) through 998 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 70 total violations for this system , of which 34 (49%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 33 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 13 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Concordia PWS's 70 violations sit below the Missouri average.

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
2,500
Total Violations
70
Health-Based Violations
34
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
998
County
Lafayette
School/Daycare
No
MCL Violations
21
Monitoring Violations
33
Treatment Tech Violations
13

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 13 2005
Coliform (TCR) MR 12 2016
CARBON, TOTAL TT 9 2024
Coliform (TCR) MCL 8 2014
Interim Enhanced Surface Water Treatment Rule MR 6 2024
Chlorine dioxide MR 4 2024
Surface Water Treatment Rule TT 4 2000
Revised Total Coliform Rule MON 4 2021
Surface Water Treatment Rule MR 3 2024
Chlorite MR 3 2024
Consumer Confidence Rule Other 2 2021
Nitrate-Nitrite MR 1 2005
Public Notice Other 1 2024

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 Concordia 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 MO1010184 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 Concordia 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 CARBON, TOTAL TT 9 SDWIS / MO1010184 / 2920
2024 Interim Enhanced Surface Water Treatment Rule MR 6 SDWIS / MO1010184 / 0300
2024 Chlorine dioxide MR 4 SDWIS / MO1010184 / 1008
2024 Surface Water Treatment Rule MR 3 SDWIS / MO1010184 / 0200
2024 Chlorite MR 3 SDWIS / MO1010184 / 1009
2024 Public Notice Other 1 SDWIS / MO1010184 / 7500
2021 Revised Total Coliform Rule MON 4 SDWIS / MO1010184 / 8000
2021 Consumer Confidence Rule Other 2 SDWIS / MO1010184 / 7000
2016 Coliform (TCR) MR 12 SDWIS / MO1010184 / 3100
2014 Coliform (TCR) MCL 8 SDWIS / MO1010184 / 3100
2005 Total Haloacetic Acids (HAA5) MCL 13 SDWIS / MO1010184 / 2456
2005 Nitrate-Nitrite MR 1 SDWIS / MO1010184 / 1038
2000 Surface Water Treatment Rule TT 4 SDWIS / MO1010184 / 0200

How Concordia PWS Compares

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

Metric Concordia PWS Missouri avg Federal benchmark
Total violations 70 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 34 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 2,500 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Concordia PWS water safe to drink? ▼
Concordia PWS (PWS ID: MO1010184) has 70 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,500 people using Surface Water sources.
How many people does Concordia PWS serve? ▼
Concordia PWS serves 2,500 people in Concordia, Missouri. It is a Local-owned system using Surface Water water sources with 998 service connections.
What type of violations does Concordia PWS have? ▼
Concordia PWS has 70 total violations: 34 health-based violations (MCL exceedances or treatment failures), 33 monitoring/reporting violations, and 13 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Concordia PWS water? ▼
No PFAS testing data is available for Concordia PWS under the EPA's UCMR5 monitoring program.
What water source does Concordia PWS use? ▼
Concordia PWS uses Surface Water 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.