PlainWater

Community Water System · PWS MO3010831

MO American Wardsville

Cottleville, Missouri 63141-0000 - drinking water served from groundwater sources to 1,506 people, tracked in EPA SDWIS and UCMR5.

1,506
People served
70
EPA violations
45
Health-based
Untested
UCMR5 result

The verdict

EPA records 70 drinking-water violations at MO American Wardsville, 64% of them health-based - below the Missouri per-system average.

70
Total EPA violations on record
64%
Health-based (MCL / treatment failure)
1,506
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: MO American Wardsville

MO American Wardsville is a private-owned community water system that delivers drinking water to 1,506 residents in Cottleville, Missouri (Cole County) through 510 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 70 total violations for this system , of which 45 (64%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 39 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%).

MO American Wardsville'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
1,506
Total Violations
70
Health-Based Violations
45
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
510
County
Cole
School/Daycare
No
MCL Violations
45
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 39 2010
Coliform (TCR) MR 14 2012
Revised Total Coliform Rule MCL 6 2016
Public Notice Other 1 2013

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 MO American Wardsville.

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 MO3010831 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 MO American Wardsville 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
2016 Revised Total Coliform Rule MCL 6 SDWIS / MO3010831 / 8000
2013 Public Notice Other 1 SDWIS / MO3010831 / 7500
2012 Coliform (TCR) MR 14 SDWIS / MO3010831 / 3100
2010 Coliform (TCR) MCL 39 SDWIS / MO3010831 / 3100

How MO American Wardsville Compares

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

Metric MO American Wardsville Missouri avg Federal benchmark
Total violations 70 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 45 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 1,506 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 MO American Wardsville water safe to drink?
MO American Wardsville (PWS ID: MO3010831) has 70 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,506 people using Groundwater sources.
How many people does MO American Wardsville serve?
MO American Wardsville serves 1,506 people in Cottleville, Missouri. It is a Private-owned system using Groundwater water sources with 510 service connections.
What type of violations does MO American Wardsville have?
MO American Wardsville has 70 total violations: 45 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MO American Wardsville water?
No PFAS testing data is available for MO American Wardsville under the EPA's UCMR5 monitoring program.
What water source does MO American Wardsville use?
MO American Wardsville 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.
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.