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Community Water System · PWS KS2013904

Osage Co RWD 5

Overbrook, Kansas 66524 - drinking water served from surface water sources to 3,763 people, tracked in EPA SDWIS and UCMR5.

3,763
People served
68
EPA violations
33
Health-based
Untested
UCMR5 result

The verdict

EPA records 68 drinking-water violations at Osage Co RWD 5, 49% of them health-based - below the Kansas per-system average.

68
Total EPA violations on record
49%
Health-based (MCL / treatment failure)
3,763
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Osage Co RWD 5

Osage Co RWD 5 is a local-owned community water system that delivers drinking water to 3,763 residents in Overbrook, Kansas (Osage County) through 1,582 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 68 total violations for this system , of which 33 (49%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 21 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is TTHM, recorded in 20 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%).

Osage Co RWD 5's 68 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
3,763
Total Violations
68
Health-Based Violations
33
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,582
County
Osage
School/Daycare
No
MCL Violations
33
Monitoring Violations
21
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 20 2017
Coliform (TCR) MCL 13 2010
Combined Radium (-226 and -228) MR 4 2021
Combined Uranium MR 4 2021
Gross Alpha, Excl. Radon and U MR 4 2021
Radium-228 MR 4 2021
Radium-226 MR 4 2021
Consumer Confidence Rule Other 1 1999
Public Notice Other 1 2017
Lead and Copper Rule MR 1 2017

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 5.

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 KS2013904 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
2021 Combined Radium (-226 and -228) MR 4 SDWIS / KS2013904 / 4010
2021 Combined Uranium MR 4 SDWIS / KS2013904 / 4006
2021 Gross Alpha, Excl. Radon and U MR 4 SDWIS / KS2013904 / 4000
2021 Radium-228 MR 4 SDWIS / KS2013904 / 4030
2021 Radium-226 MR 4 SDWIS / KS2013904 / 4020
2017 TTHM MCL 20 SDWIS / KS2013904 / 2950
2017 Public Notice Other 1 SDWIS / KS2013904 / 7500
2017 Lead and Copper Rule MR 1 SDWIS / KS2013904 / 5000
2010 Coliform (TCR) MCL 13 SDWIS / KS2013904 / 3100
1999 Consumer Confidence Rule Other 1 SDWIS / KS2013904 / 7000

How Osage Co RWD 5 Compares

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

Metric Osage Co RWD 5 Kansas avg Federal benchmark
Total violations 68 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 33 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 3,763 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 5 water safe to drink? ▼
Osage Co RWD 5 (PWS ID: KS2013904) has 68 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,763 people using Surface Water sources.
How many people does Osage Co RWD 5 serve? ▼
Osage Co RWD 5 serves 3,763 people in Overbrook, Kansas. It is a Local-owned system using Surface Water water sources with 1,582 service connections.
What type of violations does Osage Co RWD 5 have? ▼
Osage Co RWD 5 has 68 total violations: 33 health-based violations (MCL exceedances or treatment failures), 21 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Osage Co RWD 5 water? ▼
No PFAS testing data is available for Osage Co RWD 5 under the EPA's UCMR5 monitoring program.
What water source does Osage Co RWD 5 use? ▼
Osage Co RWD 5 uses Surface Water 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.