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Transient Non-Community Water System · PWS MO5110193

Usace Stockton Mutton Creek Marina East

Greenfield, Missouri 65661-0000 - drinking water served from groundwater sources to 25 people, tracked in EPA SDWIS and UCMR5.

25
People served
87
EPA violations
21
Health-based
Untested
UCMR5 result

The verdict

EPA records 87 drinking-water violations at Usace Stockton Mutton Creek Marina East, 24% of them health-based - above the Missouri per-system average.

87
Total EPA violations on record
24%
Health-based (MCL / treatment failure)
25
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Usace Stockton Mutton Creek Marina East

Usace Stockton Mutton Creek Marina East is a federal-owned transient non-community water system that delivers drinking water to 25 residents in Greenfield, Missouri (Dade County) through 14 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 87 total violations for this system , of which 21 (24%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 62 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 53 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, 71 of 230 UCMR5-tested systems have reported PFAS detections (30.9%).

Usace Stockton Mutton Creek Marina East's 87 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
25
Total Violations
87
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Federal
Connections
14
County
Dade
School/Daycare
No
MCL Violations
21
Monitoring Violations
62
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 53 2014
Coliform (TCR) MCL 21 2011
Revised Total Coliform Rule MON 8 2022
Public Notice Other 3 2015
Nitrate-Nitrite MR 1 1999

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 Usace Stockton Mutton Creek Marina East.

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 MO5110193 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 Usace Stockton Mutton Creek Marina East 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
2022 Revised Total Coliform Rule MON 8 SDWIS / MO5110193 / 8000
2015 Public Notice Other 3 SDWIS / MO5110193 / 7500
2014 Coliform (TCR) MR 53 SDWIS / MO5110193 / 3100
2011 Coliform (TCR) MCL 21 SDWIS / MO5110193 / 3100
1999 Nitrate-Nitrite MR 1 SDWIS / MO5110193 / 1038

How Usace Stockton Mutton Creek Marina East Compares

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

Metric Usace Stockton Mutton Creek Marina East Missouri avg Federal benchmark
Total violations 87 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 30.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 25 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 Usace Stockton Mutton Creek Marina East water safe to drink? ▼
Usace Stockton Mutton Creek Marina East (PWS ID: MO5110193) has 87 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does Usace Stockton Mutton Creek Marina East serve? ▼
Usace Stockton Mutton Creek Marina East serves 25 people in Greenfield, Missouri. It is a Federal-owned system using Groundwater water sources with 14 service connections.
What type of violations does Usace Stockton Mutton Creek Marina East have? ▼
Usace Stockton Mutton Creek Marina East has 87 total violations: 21 health-based violations (MCL exceedances or treatment failures), 62 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Usace Stockton Mutton Creek Marina East water? ▼
No PFAS testing data is available for Usace Stockton Mutton Creek Marina East under the EPA's UCMR5 monitoring program.
What water source does Usace Stockton Mutton Creek Marina East use? ▼
Usace Stockton Mutton Creek Marina East uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.