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Community Water System · PWS MO1010024

Archie PWS

Archie, Missouri 64725-0000 - drinking water served from surface water sources to 1,300 people, tracked in EPA SDWIS and UCMR5.

1,300
People served
252
EPA violations
154
Health-based
Untested
UCMR5 result

The verdict

EPA records 252 drinking-water violations at Archie PWS, 61% of them health-based - above the Missouri per-system average.

252
Total EPA violations on record
61%
Health-based (MCL / treatment failure)
1,300
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Archie PWS

Archie PWS is a local-owned community water system that delivers drinking water to 1,300 residents in Archie, Missouri (Cass County) through 608 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 252 total violations for this system , of which 154 (61%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 77 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 TTHM, recorded in 99 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%).

Archie PWS's 252 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
1,300
Total Violations
252
Health-Based Violations
154
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
608
County
Cass
School/Daycare
No
MCL Violations
108
Monitoring Violations
77
Treatment Tech Violations
46

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 99 2021
Interim Enhanced Surface Water Treatment Rule MR 24 2024
Coliform (TCR) MR 22 2002
Interim Enhanced Surface Water Treatment Rule TT 19 2021
Consumer Confidence Rule Other 15 2025
CARBON, TOTAL TT 15 2013
Surface Water Treatment Rule TT 12 2001
Surface Water Treatment Rule MR 12 2024
Total Haloacetic Acids (HAA5) MCL 9 2005
TTHM MR 9 2023
Total Haloacetic Acids (HAA5) MR 9 2023
Public Notice Other 1 2016
Nitrate-Nitrite MR 1 2000
Long Term 2 Enhanced Surface Water Treatment Rule Other 1 2016

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 Archie 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 MO1010024 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 Archie 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 Consumer Confidence Rule Other 15 SDWIS / MO1010024 / 7000
2024 Interim Enhanced Surface Water Treatment Rule MR 24 SDWIS / MO1010024 / 0300
2024 Surface Water Treatment Rule MR 12 SDWIS / MO1010024 / 0200
2023 TTHM MR 9 SDWIS / MO1010024 / 2950
2023 Total Haloacetic Acids (HAA5) MR 9 SDWIS / MO1010024 / 2456
2021 TTHM MCL 99 SDWIS / MO1010024 / 2950
2021 Interim Enhanced Surface Water Treatment Rule TT 19 SDWIS / MO1010024 / 0300
2016 Public Notice Other 1 SDWIS / MO1010024 / 7500
2016 Long Term 2 Enhanced Surface Water Treatment Rule Other 1 SDWIS / MO1010024 / 0800
2013 CARBON, TOTAL TT 15 SDWIS / MO1010024 / 2920
2005 Total Haloacetic Acids (HAA5) MCL 9 SDWIS / MO1010024 / 2456
2002 Coliform (TCR) MR 22 SDWIS / MO1010024 / 3100
2001 Surface Water Treatment Rule TT 12 SDWIS / MO1010024 / 0200
2000 Nitrate-Nitrite MR 1 SDWIS / MO1010024 / 1038

How Archie PWS Compares

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

Metric Archie PWS Missouri avg Federal benchmark
Total violations 252 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 154 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 1,300 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 Archie PWS water safe to drink? ▼
Archie PWS (PWS ID: MO1010024) has 252 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,300 people using Surface Water sources.
How many people does Archie PWS serve? ▼
Archie PWS serves 1,300 people in Archie, Missouri. It is a Local-owned system using Surface Water water sources with 608 service connections.
What type of violations does Archie PWS have? ▼
Archie PWS has 252 total violations: 154 health-based violations (MCL exceedances or treatment failures), 77 monitoring/reporting violations, and 46 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Archie PWS water? ▼
No PFAS testing data is available for Archie PWS under the EPA's UCMR5 monitoring program.
What water source does Archie PWS use? ▼
Archie 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.