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Community Water System · PWS KS2017704

Shawnee Co RWD 1C

Auburn, Kansas 66402 - drinking water served from surface water sources to 4,160 people, tracked in EPA SDWIS and UCMR5.

4,160
People served
58
EPA violations
44
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 58 drinking-water violations at Shawnee Co RWD 1C, 76% of them health-based - below the Kansas per-system average.

58
Total EPA violations on record
76%
Health-based (MCL / treatment failure)
4,160
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shawnee Co RWD 1C

Shawnee Co RWD 1C is a local-owned community water system that delivers drinking water to 4,160 residents in Auburn, Kansas (Shawnee County) through 1,791 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 58 total violations for this system , of which 44 (76%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 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 Total Haloacetic Acids (HAA5), recorded in 44 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Shawnee Co RWD 1C's 58 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
4,160
Total Violations
58
Health-Based Violations
44
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,791
County
Shawnee
School/Daycare
No
MCL Violations
44
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 44 2025
Total Haloacetic Acids (HAA5) MR 4 2021
TTHM MR 4 2021
Lead and Copper Rule MR 1 1993
LEAD AND COPPER RULE REVISIONS RPT 1 2025

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFPeA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 8/27/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 8/27/2024 <2.00 ppt 2.00 ppt Not Detected
PFDoA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 8/27/2024 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
PFDA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 8/27/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/27/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/27/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/14/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 8/14/2024 <8.00 ppt 8.00 ppt Not Detected
NMeFOSAA 8/14/2024 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 8/14/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 6/17/2024 <6.00 ppt 6.00 ppt Not Detected
PFTA 6/17/2024 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 6/17/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 6/17/2024 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 2/13/2024 <6.00 ppt 6.00 ppt Not Detected
PFTrDA 2/13/2024 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 2/13/2024 <5.00 ppt 5.00 ppt Not Detected
PFTA 2/13/2024 <8.00 ppt 8.00 ppt Not Detected
PFOA 12/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFBA 12/4/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 12/4/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 12/4/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 12/4/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 12/4/2024 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 12/4/2024 <5.00 ppt 5.00 ppt Not Detected
PFDA 12/4/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 12/4/2024 <2.00 ppt 2.00 ppt Not Detected
PFOS 12/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 12/4/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 12/4/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 12/4/2024 <3.00 ppt 3.00 ppt Not Detected

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 Shawnee 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 KS2017704 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 Total Haloacetic Acids (HAA5) MCL 44 SDWIS / KS2017704 / 2456
2025 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / KS2017704 / 5200
2021 Total Haloacetic Acids (HAA5) MR 4 SDWIS / KS2017704 / 2456
2021 TTHM MR 4 SDWIS / KS2017704 / 2950
1993 Lead and Copper Rule MR 1 SDWIS / KS2017704 / 5000

How Shawnee Co RWD 1C Compares

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

Metric Shawnee Co RWD 1C Kansas avg Federal benchmark
Total violations 58 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 44 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 4,160 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 Shawnee Co RWD 1C water safe to drink?
Shawnee Co RWD 1C (PWS ID: KS2017704) has 58 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 4,160 people using Surface Water sources.
How many people does Shawnee Co RWD 1C serve?
Shawnee Co RWD 1C serves 4,160 people in Auburn, Kansas. It is a Local-owned system using Surface Water water sources with 1,791 service connections.
What type of violations does Shawnee Co RWD 1C have?
Shawnee Co RWD 1C has 58 total violations: 44 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shawnee Co RWD 1C water?
No. Shawnee Co RWD 1C was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Shawnee Co RWD 1C use?
Shawnee 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. PFAS data from EPA UCMR5 monitoring program (2023-2025). 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.