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Community Water System · PWS MO2010437

Laclede PWS

Laclede, Missouri 64651-0000 - drinking water served from surface water sources to 345 people, tracked in EPA SDWIS and UCMR5.

345
People served
43
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 43 drinking-water violations at Laclede PWS, 5% of them health-based - below the Missouri per-system average.

43
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
345
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Laclede PWS

Laclede PWS is a local-owned community water system that delivers drinking water to 345 residents in Laclede, Missouri (Linn County) through 220 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 43 total violations for this system , of which 2 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 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 16 violations (MR). 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%).

Laclede PWS's 43 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
345
Total Violations
43
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
220
County
Linn
School/Daycare
No
MCL Violations
2
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 16 2014
TTHM MR 4 2022
Lead and Copper Rule MR 4 2022
LEAD AND COPPER RULE REVISIONS RPT 4 2024
Total Haloacetic Acids (HAA5) MR 4 2022
Revised Total Coliform Rule MON 4 2022
Consumer Confidence Rule Other 3 2023
Coliform (TCR) MCL 2 1992
Public Notice Other 2 2023

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 Laclede 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 MO2010437 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 Laclede 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 REVISIONS RPT 4 SDWIS / MO2010437 / 5200
2023 Consumer Confidence Rule Other 3 SDWIS / MO2010437 / 7000
2023 Public Notice Other 2 SDWIS / MO2010437 / 7500
2022 TTHM MR 4 SDWIS / MO2010437 / 2950
2022 Lead and Copper Rule MR 4 SDWIS / MO2010437 / 5000
2022 Total Haloacetic Acids (HAA5) MR 4 SDWIS / MO2010437 / 2456
2022 Revised Total Coliform Rule MON 4 SDWIS / MO2010437 / 8000
2014 Coliform (TCR) MR 16 SDWIS / MO2010437 / 3100
1992 Coliform (TCR) MCL 2 SDWIS / MO2010437 / 3100

How Laclede PWS Compares

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

Metric Laclede PWS Missouri avg Federal benchmark
Total violations 43 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 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 345 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 Laclede PWS water safe to drink? ▼
Laclede PWS (PWS ID: MO2010437) has 43 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 345 people using Surface Water sources.
How many people does Laclede PWS serve? ▼
Laclede PWS serves 345 people in Laclede, Missouri. It is a Local-owned system using Surface Water water sources with 220 service connections.
What type of violations does Laclede PWS have? ▼
Laclede PWS has 43 total violations: 2 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Laclede PWS water? ▼
No PFAS testing data is available for Laclede PWS under the EPA's UCMR5 monitoring program.
What water source does Laclede PWS use? ▼
Laclede 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.