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Transient Non-Community Water System · PWS MO4240120

S F Scout Ranch

St Louis, Missouri 63107-0000 - drinking water served from surface water sources to 800 people, tracked in EPA SDWIS and UCMR5.

800
People served
81
EPA violations
28
Health-based
Untested
UCMR5 result

The verdict

EPA records 81 drinking-water violations at S F Scout Ranch, 35% of them health-based - above the Missouri per-system average.

81
Total EPA violations on record
35%
Health-based (MCL / treatment failure)
800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: S F Scout Ranch

S F Scout Ranch is a private-owned transient non-community water system that delivers drinking water to 800 residents in St Louis, Missouri (St. Francois County) through 110 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 81 total violations for this system , of which 28 (35%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 40 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 Interim Enhanced Surface Water Treatment Rule, recorded in 22 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%).

S F Scout Ranch's 81 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
800
Total Violations
81
Health-Based Violations
28
Water Source
Surface Water

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
110
County
St. Francois
School/Daycare
No
MCL Violations
3
Monitoring Violations
40
Treatment Tech Violations
25

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 22 2024
Interim Enhanced Surface Water Treatment Rule TT 17 2011
Surface Water Treatment Rule MR 9 2024
Coliform (TCR) MR 8 2003
Surface Water Treatment Rule TT 8 2012
Public Notice Other 5 2025
Coliform (TCR) MCL 3 2003
Revised Total Coliform Rule MON 1 2025

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 S F Scout Ranch.

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 MO4240120 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 S F Scout Ranch 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 Public Notice Other 5 SDWIS / MO4240120 / 7500
2025 Revised Total Coliform Rule MON 1 SDWIS / MO4240120 / 8000
2024 Interim Enhanced Surface Water Treatment Rule MR 22 SDWIS / MO4240120 / 0300
2024 Surface Water Treatment Rule MR 9 SDWIS / MO4240120 / 0200
2012 Surface Water Treatment Rule TT 8 SDWIS / MO4240120 / 0200
2011 Interim Enhanced Surface Water Treatment Rule TT 17 SDWIS / MO4240120 / 0300
2003 Coliform (TCR) MR 8 SDWIS / MO4240120 / 3100
2003 Coliform (TCR) MCL 3 SDWIS / MO4240120 / 3100

How S F Scout Ranch Compares

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

Metric S F Scout Ranch Missouri avg Federal benchmark
Total violations 81 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 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 800 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 S F Scout Ranch water safe to drink? ▼
S F Scout Ranch (PWS ID: MO4240120) has 81 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 800 people using Surface Water sources.
How many people does S F Scout Ranch serve? ▼
S F Scout Ranch serves 800 people in St Louis, Missouri. It is a Private-owned system using Surface Water water sources with 110 service connections.
What type of violations does S F Scout Ranch have? ▼
S F Scout Ranch has 81 total violations: 28 health-based violations (MCL exceedances or treatment failures), 40 monitoring/reporting violations, and 25 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in S F Scout Ranch water? ▼
No PFAS testing data is available for S F Scout Ranch under the EPA's UCMR5 monitoring program.
What water source does S F Scout Ranch use? ▼
S F Scout Ranch uses Surface Water 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.