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Community Water System · PWS KS2013912

Osage Co RWD 2

Overbrook, Kansas 66524-0030 - drinking water served from groundwater sources to 220 people, tracked in EPA SDWIS and UCMR5.

220
People served
125
EPA violations
18
Health-based
Untested
UCMR5 result

The verdict

EPA records 125 drinking-water violations at Osage Co RWD 2, 14% of them health-based - above the Kansas per-system average.

125
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
220
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Osage Co RWD 2

Osage Co RWD 2 is a local-owned community water system that delivers drinking water to 220 residents in Overbrook, Kansas (Osage County) through 173 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 125 total violations for this system , of which 18 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 70 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 Coliform (TCR), recorded in 35 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 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%).

Osage Co RWD 2's 125 violations sit above 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
220
Total Violations
125
Health-Based Violations
18
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
173
County
Osage
School/Daycare
No
MCL Violations
0
Monitoring Violations
70
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 35 1995
Groundwater Rule TT 18 2024
Revised Total Coliform Rule MON 16 2022
Chlorine MR 9 2022
Lead and Copper Rule MR 6 2023
Consumer Confidence Rule Other 5 2019
Groundwater Rule MR 4 2025
Groundwater Rule Other 2 2023
Public Notice Other 2 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 Osage Co RWD 2.

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 KS2013912 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
2025 Groundwater Rule MR 4 SDWIS / KS2013912 / 0700
2024 Groundwater Rule TT 18 SDWIS / KS2013912 / 0700
2023 Lead and Copper Rule MR 6 SDWIS / KS2013912 / 5000
2023 Groundwater Rule Other 2 SDWIS / KS2013912 / 0700
2022 Revised Total Coliform Rule MON 16 SDWIS / KS2013912 / 8000
2022 Chlorine MR 9 SDWIS / KS2013912 / 0999
2020 Public Notice Other 2 SDWIS / KS2013912 / 7500
2019 Consumer Confidence Rule Other 5 SDWIS / KS2013912 / 7000
1995 Coliform (TCR) MR 35 SDWIS / KS2013912 / 3100

How Osage Co RWD 2 Compares

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

Metric Osage Co RWD 2 Kansas avg Federal benchmark
Total violations 125 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 18 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 220 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 Osage Co RWD 2 water safe to drink? ▼
Osage Co RWD 2 (PWS ID: KS2013912) has 125 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 220 people using Groundwater sources.
How many people does Osage Co RWD 2 serve? ▼
Osage Co RWD 2 serves 220 people in Overbrook, Kansas. It is a Local-owned system using Groundwater water sources with 173 service connections.
What type of violations does Osage Co RWD 2 have? ▼
Osage Co RWD 2 has 125 total violations: 18 health-based violations (MCL exceedances or treatment failures), 70 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Osage Co RWD 2 water? ▼
No PFAS testing data is available for Osage Co RWD 2 under the EPA's UCMR5 monitoring program.
What water source does Osage Co RWD 2 use? ▼
Osage Co RWD 2 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.

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.