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Community Water System · PWS MO3010684

Richland PWS

Richland, Missouri 65556-0000 - drinking water served from groundwater sources to 1,863 people, tracked in EPA SDWIS and UCMR5.

1,863
People served
79
EPA violations
44
Health-based
Untested
UCMR5 result

The verdict

EPA records 79 drinking-water violations at Richland PWS, 56% of them health-based - above the Missouri per-system average.

79
Total EPA violations on record
56%
Health-based (MCL / treatment failure)
1,863
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Richland PWS

Richland PWS is a local-owned community water system that delivers drinking water to 1,863 residents in Richland, Missouri (Pulaski County) through 875 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 79 total violations for this system , of which 44 (56%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 25 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 34 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%).

Richland PWS's 79 violations sit above 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
1,863
Total Violations
79
Health-Based Violations
44
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
875
County
Pulaski
School/Daycare
No
MCL Violations
40
Monitoring Violations
25
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 34 2011
Coliform (TCR) MR 21 2015
Revised Total Coliform Rule MCL 6 2018
Revised Total Coliform Rule TT 4 2025
Lead and Copper Rule MR 2 2000
Gross Alpha, Excl. Radon and U MR 1 1992
Consumer Confidence Rule Other 1 2010
Nitrate-Nitrite MR 1 2009

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 Richland 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 MO3010684 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 Richland 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
2025 Revised Total Coliform Rule TT 4 SDWIS / MO3010684 / 8000
2018 Revised Total Coliform Rule MCL 6 SDWIS / MO3010684 / 8000
2015 Coliform (TCR) MR 21 SDWIS / MO3010684 / 3100
2011 Coliform (TCR) MCL 34 SDWIS / MO3010684 / 3100
2010 Consumer Confidence Rule Other 1 SDWIS / MO3010684 / 7000
2009 Nitrate-Nitrite MR 1 SDWIS / MO3010684 / 1038
2000 Lead and Copper Rule MR 2 SDWIS / MO3010684 / 5000
1992 Gross Alpha, Excl. Radon and U MR 1 SDWIS / MO3010684 / 4000

How Richland PWS Compares

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

Metric Richland PWS Missouri avg Federal benchmark
Total violations 79 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 44 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 1,863 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 Richland PWS water safe to drink? ▼
Richland PWS (PWS ID: MO3010684) has 79 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,863 people using Groundwater sources.
How many people does Richland PWS serve? ▼
Richland PWS serves 1,863 people in Richland, Missouri. It is a Local-owned system using Groundwater water sources with 875 service connections.
What type of violations does Richland PWS have? ▼
Richland PWS has 79 total violations: 44 health-based violations (MCL exceedances or treatment failures), 25 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Richland PWS water? ▼
No PFAS testing data is available for Richland PWS under the EPA's UCMR5 monitoring program.
What water source does Richland PWS use? ▼
Richland 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. 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.