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Community Water System · PWS KS2009919

Labette Co RWD 1C

Oswego, Kansas 67356 - drinking water served from surface water sources to 285 people, tracked in EPA SDWIS and UCMR5.

285
People served
163
EPA violations
24
Health-based
Untested
UCMR5 result

The verdict

EPA records 163 drinking-water violations at Labette Co RWD 1C, 15% of them health-based - above the Kansas per-system average.

163
Total EPA violations on record
15%
Health-based (MCL / treatment failure)
285
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Labette Co RWD 1C

Labette Co RWD 1C is a local-owned community water system that delivers drinking water to 285 residents in Oswego, Kansas (Labette County) through 136 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 163 total violations for this system , of which 24 (15%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 90 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 27 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%).

Labette Co RWD 1C's 163 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
285
Total Violations
163
Health-Based Violations
24
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
136
County
Labette
School/Daycare
No
MCL Violations
20
Monitoring Violations
90
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 27 2015
TTHM MR 23 2018
Total Haloacetic Acids (HAA5) MR 21 2018
Public Notice Other 18 2021
Lead and Copper Rule MR 11 2025
TTHM MCL 9 2018
Revised Total Coliform Rule MON 8 2017
Total Haloacetic Acids (HAA5) MCL 7 2019
Revised Total Coliform Rule TT 4 2021
Coliform (TCR) MCL 4 2015
LEAD AND COPPER RULE REVISIONS RPT 2 2024

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 Labette Co RWD 1C.

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 KS2009919 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 Lead and Copper Rule MR 11 SDWIS / KS2009919 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 2 SDWIS / KS2009919 / 5200
2021 Public Notice Other 18 SDWIS / KS2009919 / 7500
2021 Revised Total Coliform Rule TT 4 SDWIS / KS2009919 / 8000
2019 Total Haloacetic Acids (HAA5) MCL 7 SDWIS / KS2009919 / 2456
2018 TTHM MR 23 SDWIS / KS2009919 / 2950
2018 Total Haloacetic Acids (HAA5) MR 21 SDWIS / KS2009919 / 2456
2018 TTHM MCL 9 SDWIS / KS2009919 / 2950
2017 Revised Total Coliform Rule MON 8 SDWIS / KS2009919 / 8000
2015 Coliform (TCR) MR 27 SDWIS / KS2009919 / 3100
2015 Coliform (TCR) MCL 4 SDWIS / KS2009919 / 3100

How Labette Co RWD 1C Compares

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

Metric Labette Co RWD 1C Kansas avg Federal benchmark
Total violations 163 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 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 285 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 Labette Co RWD 1C water safe to drink? ▼
Labette Co RWD 1C (PWS ID: KS2009919) has 163 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 285 people using Surface Water sources.
How many people does Labette Co RWD 1C serve? ▼
Labette Co RWD 1C serves 285 people in Oswego, Kansas. It is a Local-owned system using Surface Water water sources with 136 service connections.
What type of violations does Labette Co RWD 1C have? ▼
Labette Co RWD 1C has 163 total violations: 24 health-based violations (MCL exceedances or treatment failures), 90 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Labette Co RWD 1C water? ▼
No PFAS testing data is available for Labette Co RWD 1C under the EPA's UCMR5 monitoring program.
What water source does Labette Co RWD 1C use? ▼
Labette Co RWD 1C 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.