PlainWater

Transient Non-Community Water System · PWS MO4120167

St Francois State Park

Bonne Terre, Missouri 63628-0000 - drinking water served from groundwater sources to 550 people, tracked in EPA SDWIS and UCMR5.

550
People served
83
EPA violations
56
Health-based
Untested
UCMR5 result

The verdict

EPA records 83 drinking-water violations at St Francois State Park, 67% of them health-based - above the Missouri per-system average.

83
Total EPA violations on record
67%
Health-based (MCL / treatment failure)
550
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: St Francois State Park

St Francois State Park is a state-owned transient non-community water system that delivers drinking water to 550 residents in Bonne Terre, Missouri (St. Francois County) through 20 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 83 total violations for this system , of which 56 (67%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 56 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%).

St Francois State Park's 83 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
550
Total Violations
83
Health-Based Violations
56
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
State
Connections
20
County
St. Francois
School/Daycare
No
MCL Violations
56
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 56 2010
Coliform (TCR) MR 13 1996
Revised Total Coliform Rule MON 4 2019

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 St Francois State Park.

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 MO4120167 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 St Francois State Park 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
2019 Revised Total Coliform Rule MON 4 SDWIS / MO4120167 / 8000
2010 Coliform (TCR) MCL 56 SDWIS / MO4120167 / 3100
1996 Coliform (TCR) MR 13 SDWIS / MO4120167 / 3100

How St Francois State Park Compares

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

Metric St Francois State Park Missouri avg Federal benchmark
Total violations 83 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 56 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 550 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 St Francois State Park water safe to drink?
St Francois State Park (PWS ID: MO4120167) has 83 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 550 people using Groundwater sources.
How many people does St Francois State Park serve?
St Francois State Park serves 550 people in Bonne Terre, Missouri. It is a State-owned system using Groundwater water sources with 20 service connections.
What type of violations does St Francois State Park have?
St Francois State Park has 83 total violations: 56 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in St Francois State Park water?
No PFAS testing data is available for St Francois State Park under the EPA's UCMR5 monitoring program.
What water source does St Francois State Park use?
St Francois State Park 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.
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.