PlainWater

Community Water System · PWS KS2014916

Walnut Grove Mhc Brooks

St George, Kansas 66535 - drinking water served from groundwater sources to 203 people, tracked in EPA SDWIS and UCMR5.

203
People served
18
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 18 drinking-water violations at Walnut Grove Mhc Brooks, 44% of them health-based - below the Kansas per-system average.

18
Total EPA violations on record
44%
Health-based (MCL / treatment failure)
203
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Walnut Grove Mhc Brooks

Walnut Grove Mhc Brooks is a private-owned community water system that delivers drinking water to 203 residents in St George, Kansas (Pottawatomie County) through 101 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 18 total violations for this system , of which 8 (44%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 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 Kansas, EPA tracks 957 public water systems serving 2,894,673 people, with 84,344 cumulative violations and 33,424 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 88.1 violations. Statewide, 89 of 103 UCMR5-tested systems have reported PFAS detections (86.4%).

Walnut Grove Mhc Brooks's 18 violations sit below the Kansas 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
203
Total Violations
18
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
101
County
Pottawatomie
School/Daycare
No
MCL Violations
8
Monitoring Violations
5
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 2000
Lead and Copper Rule MR 5 2020

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 Walnut Grove Mhc Brooks.

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 KS2014916 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Kansas Drinking Water Authority

Kansas's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find KS regulator via EPA SDWIS

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
2020 Lead and Copper Rule MR 5 SDWIS / KS2014916 / 5000
2000 Coliform (TCR) MCL 8 SDWIS / KS2014916 / 3100

How Walnut Grove Mhc Brooks Compares

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

Metric Walnut Grove Mhc Brooks Kansas avg Federal benchmark
Total violations 18 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 34.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 86.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 203 3,025 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 957 regulated public water systems in Kansas.

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 Walnut Grove Mhc Brooks water safe to drink?
Walnut Grove Mhc Brooks (PWS ID: KS2014916) has 18 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 203 people using Groundwater sources.
How many people does Walnut Grove Mhc Brooks serve?
Walnut Grove Mhc Brooks serves 203 people in St George, Kansas. It is a Private-owned system using Groundwater water sources with 101 service connections.
What type of violations does Walnut Grove Mhc Brooks have?
Walnut Grove Mhc Brooks has 18 total violations: 8 health-based violations (MCL exceedances or treatment failures), 5 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Walnut Grove Mhc Brooks water?
No PFAS testing data is available for Walnut Grove Mhc Brooks under the EPA's UCMR5 monitoring program.
What water source does Walnut Grove Mhc Brooks use?
Walnut Grove Mhc Brooks 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.