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Community Water System · PWS KS2011313

Canton, City Of

Canton, Kansas 67428 - drinking water served from groundwater sources to 699 people, tracked in EPA SDWIS and UCMR5.

699
People served
103
EPA violations
44
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 103 drinking-water violations at Canton, City Of, 43% of them health-based - above the Kansas per-system average.

103
Total EPA violations on record
43%
Health-based (MCL / treatment failure)
699
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Canton, City Of

Canton, City Of is a local-owned community water system that delivers drinking water to 699 residents in Canton, Kansas (McPherson County) through 333 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 103 total violations for this system , of which 44 (43%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 51 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Arsenic, recorded in 28 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%).

Canton, City Of's 103 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
699
Total Violations
103
Health-Based Violations
44
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
333
County
McPherson
School/Daycare
No
MCL Violations
44
Monitoring Violations
51
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 28 2020
Coliform (TCR) MR 13 2015
Nitrate MCL 12 2018
Lead and Copper Rule MR 10 2023
Revised Total Coliform Rule MON 8 2022
Total Haloacetic Acids (HAA5) MR 8 2023
TTHM MR 8 2023
Public Notice Other 7 2018
Coliform (TCR) MCL 4 2000
Arsenic MR 3 2017
Consumer Confidence Rule Other 1 2000
Chlorine MR 1 2022

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 29 samples detected PFAS.

Contaminant Date Result MRL Status
NFDHA 5/20/2025 <20.00 ppt 20.00 ppt Not Detected
PFBA 5/20/2025 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 5/20/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/20/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 5/20/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 5/20/2025 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 5/20/2025 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 5/20/2025 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 5/20/2025 <6.00 ppt 6.00 ppt Not Detected
HFPO-DA 5/20/2025 <5.00 ppt 5.00 ppt Not Detected
PFNA 5/20/2025 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 5/20/2025 <5.00 ppt 5.00 ppt Not Detected
PFBS 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxS 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/20/2025 <4.00 ppt 4.00 ppt Not Detected
PFOA 5/20/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/20/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/20/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 5/20/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/20/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/20/2025 <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 Canton, City Of.

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 KS2011313 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
2023 Lead and Copper Rule MR 10 SDWIS / KS2011313 / 5000
2023 Total Haloacetic Acids (HAA5) MR 8 SDWIS / KS2011313 / 2456
2023 TTHM MR 8 SDWIS / KS2011313 / 2950
2022 Revised Total Coliform Rule MON 8 SDWIS / KS2011313 / 8000
2022 Chlorine MR 1 SDWIS / KS2011313 / 0999
2020 Arsenic MCL 28 SDWIS / KS2011313 / 1005
2018 Nitrate MCL 12 SDWIS / KS2011313 / 1040
2018 Public Notice Other 7 SDWIS / KS2011313 / 7500
2017 Arsenic MR 3 SDWIS / KS2011313 / 1005
2015 Coliform (TCR) MR 13 SDWIS / KS2011313 / 3100
2000 Coliform (TCR) MCL 4 SDWIS / KS2011313 / 3100
2000 Consumer Confidence Rule Other 1 SDWIS / KS2011313 / 7000

How Canton, City Of Compares

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

Metric Canton, City Of Kansas avg Federal benchmark
Total violations 103 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 699 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 Canton, City Of water safe to drink?
Canton, City Of (PWS ID: KS2011313) has 103 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 699 people using Groundwater sources.
How many people does Canton, City Of serve?
Canton, City Of serves 699 people in Canton, Kansas. It is a Local-owned system using Groundwater water sources with 333 service connections.
What type of violations does Canton, City Of have?
Canton, City Of has 103 total violations: 44 health-based violations (MCL exceedances or treatment failures), 51 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Canton, City Of water?
No. Canton, City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Canton, City Of use?
Canton, City Of 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. 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.