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Community Water System · PWS MO1010685

Richmond PWS

Richmond, Missouri 64085-0000 - drinking water served from groundwater sources to 5,797 people, tracked in EPA SDWIS and UCMR5.

5,797
People served
38
EPA violations
10
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 38 drinking-water violations at Richmond PWS, 26% of them health-based - below the Missouri per-system average.

38
Total EPA violations on record
26%
Health-based (MCL / treatment failure)
5,797
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Richmond PWS

Richmond PWS is a local-owned community water system that delivers drinking water to 5,797 residents in Richmond, Missouri (Ray County) through 2,634 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 38 total violations for this system , of which 10 (26%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 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 Coliform (TCR), recorded in 6 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. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%).

Richmond PWS's 38 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
5,797
Total Violations
38
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
2,634
County
Ray
School/Daycare
No
MCL Violations
6
Monitoring Violations
5
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 6 2009
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2021
Coliform (TCR) MR 3 1996
Lead and Copper Rule MR 2 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFDoA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxS 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/9/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/9/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFMBA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 5/9/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/9/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 5/9/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/9/2023 <6.00 ppt 6.00 ppt Not Detected
PFOA 5/9/2023 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 5/9/2023 <5.00 ppt 5.00 ppt Not Detected
PFEESA 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 5/9/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 11/28/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 11/28/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 11/28/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 11/28/2023 <6.00 ppt 6.00 ppt Not Detected
PFDoA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 1/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 1/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 1/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 1/31/2024 <20.00 ppt 20.00 ppt Not Detected
PFUnA 1/31/2024 <2.00 ppt 2.00 ppt Not Detected
PFPeS 1/31/2024 <4.00 ppt 4.00 ppt Not Detected
PFEESA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 1/31/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 1/31/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 1/31/2024 <5.00 ppt 5.00 ppt 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 Richmond 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 MO1010685 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 Richmond 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 Lead and Copper Rule MR 2 SDWIS / MO1010685 / 5000
2021 Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 SDWIS / MO1010685 / 0400
2009 Coliform (TCR) MCL 6 SDWIS / MO1010685 / 3100
1996 Coliform (TCR) MR 3 SDWIS / MO1010685 / 3100

How Richmond PWS Compares

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

Metric Richmond PWS Missouri avg Federal benchmark
Total violations 38 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 5,797 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 Richmond PWS water safe to drink? ▼
Richmond PWS (PWS ID: MO1010685) has 38 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 5,797 people using Groundwater sources.
How many people does Richmond PWS serve? ▼
Richmond PWS serves 5,797 people in Richmond, Missouri. It is a Local-owned system using Groundwater water sources with 2,634 service connections.
What type of violations does Richmond PWS have? ▼
Richmond PWS has 38 total violations: 10 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Richmond PWS water? ▼
No. Richmond PWS was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Richmond PWS use? ▼
Richmond 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.
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.

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.