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Community Water System · PWS KS2007301

Madison, City Of

Madison, Kansas 66860 - drinking water served from surface water sources to 682 people, tracked in EPA SDWIS and UCMR5.

682
People served
483
EPA violations
269
Health-based
Untested
UCMR5 result

The verdict

EPA records 483 drinking-water violations at Madison, City Of, 56% of them health-based - above the Kansas per-system average.

483
Total EPA violations on record
56%
Health-based (MCL / treatment failure)
682
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Madison, City Of

Madison, City Of is a local-owned community water system that delivers drinking water to 682 residents in Madison, Kansas (Greenwood County) through 413 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 483 total violations for this system , of which 269 (56%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 171 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 TTHM, recorded in 124 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%).

Madison, City Of's 483 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
682
Total Violations
483
Health-Based Violations
269
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
413
County
Greenwood
School/Daycare
No
MCL Violations
227
Monitoring Violations
171
Treatment Tech Violations
42

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 124 2010
Total Haloacetic Acids (HAA5) MCL 103 2024
Surface Water Treatment Rule MR 36 2020
CARBON, TOTAL TT 34 2014
E. COLI MR 34 2019
Public Notice Other 28 2021
Interim Enhanced Surface Water Treatment Rule MR 26 2020
CARBON, TOTAL MR 15 2021
Total Haloacetic Acids (HAA5) MR 12 2020
TTHM MR 12 2020
Coliform (TCR) MR 9 2011
Revised Total Coliform Rule MON 9 2024
Surface Water Treatment Rule TT 8 2003
Lead and Copper Rule MR 8 2016
Chlorine MR 6 2024
Atrazine MR 4 2017
Consumer Confidence Rule Other 3 2001
LEAD AND COPPER RULE REVISIONS RPT 1 2025

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 Madison, 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 KS2007301 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 REVISIONS RPT 1 SDWIS / KS2007301 / 5200
2024 Total Haloacetic Acids (HAA5) MCL 103 SDWIS / KS2007301 / 2456
2024 Revised Total Coliform Rule MON 9 SDWIS / KS2007301 / 8000
2024 Chlorine MR 6 SDWIS / KS2007301 / 0999
2021 Public Notice Other 28 SDWIS / KS2007301 / 7500
2021 CARBON, TOTAL MR 15 SDWIS / KS2007301 / 2920
2020 Surface Water Treatment Rule MR 36 SDWIS / KS2007301 / 0200
2020 Interim Enhanced Surface Water Treatment Rule MR 26 SDWIS / KS2007301 / 0300
2020 Total Haloacetic Acids (HAA5) MR 12 SDWIS / KS2007301 / 2456
2020 TTHM MR 12 SDWIS / KS2007301 / 2950
2019 E. COLI MR 34 SDWIS / KS2007301 / 3014
2017 Atrazine MR 4 SDWIS / KS2007301 / 2050
2016 Lead and Copper Rule MR 8 SDWIS / KS2007301 / 5000
2014 CARBON, TOTAL TT 34 SDWIS / KS2007301 / 2920
2011 Coliform (TCR) MR 9 SDWIS / KS2007301 / 3100

How Madison, City Of Compares

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

Metric Madison, City Of Kansas avg Federal benchmark
Total violations 483 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 269 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 682 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 Madison, City Of water safe to drink? ▼
Madison, City Of (PWS ID: KS2007301) has 483 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 682 people using Surface Water sources.
How many people does Madison, City Of serve? ▼
Madison, City Of serves 682 people in Madison, Kansas. It is a Local-owned system using Surface Water water sources with 413 service connections.
What type of violations does Madison, City Of have? ▼
Madison, City Of has 483 total violations: 269 health-based violations (MCL exceedances or treatment failures), 171 monitoring/reporting violations, and 42 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Madison, City Of water? ▼
No PFAS testing data is available for Madison, City Of under the EPA's UCMR5 monitoring program.
What water source does Madison, City Of use? ▼
Madison, City Of 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.