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Community Water System · PWS KS2019116

Argonia, City Of

Argonia, Kansas 67004 - drinking water served from groundwater sources to 455 people, tracked in EPA SDWIS and UCMR5.

455
People served
499
EPA violations
378
Health-based
Untested
UCMR5 result

The verdict

EPA records 499 drinking-water violations at Argonia, City Of, 76% of them health-based - above the Kansas per-system average.

499
Total EPA violations on record
76%
Health-based (MCL / treatment failure)
455
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Argonia, City Of

Argonia, City Of is a local-owned community water system that delivers drinking water to 455 residents in Argonia, Kansas (Sumner County) through 272 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 499 total violations for this system , of which 378 (76%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 52 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 Nitrate, recorded in 205 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%).

Argonia, City Of's 499 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
455
Total Violations
499
Health-Based Violations
378
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
272
County
Sumner
School/Daycare
No
MCL Violations
378
Monitoring Violations
52
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 205 2015
Arsenic MCL 173 2017
Public Notice Other 43 2017
Coliform (TCR) MR 16 2007
Nitrate MR 12 2009
Consumer Confidence Rule Other 8 2014
Lead and Copper Rule MR 8 2025
Revised Total Coliform Rule MON 8 2022
Chlorine MR 8 2022

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 Argonia, 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 KS2019116 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 8 SDWIS / KS2019116 / 5000
2022 Revised Total Coliform Rule MON 8 SDWIS / KS2019116 / 8000
2022 Chlorine MR 8 SDWIS / KS2019116 / 0999
2017 Arsenic MCL 173 SDWIS / KS2019116 / 1005
2017 Public Notice Other 43 SDWIS / KS2019116 / 7500
2015 Nitrate MCL 205 SDWIS / KS2019116 / 1040
2014 Consumer Confidence Rule Other 8 SDWIS / KS2019116 / 7000
2009 Nitrate MR 12 SDWIS / KS2019116 / 1040
2007 Coliform (TCR) MR 16 SDWIS / KS2019116 / 3100

How Argonia, City Of Compares

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

Metric Argonia, City Of Kansas avg Federal benchmark
Total violations 499 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 378 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 455 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 Argonia, City Of water safe to drink? ▼
Argonia, City Of (PWS ID: KS2019116) has 499 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 455 people using Groundwater sources.
How many people does Argonia, City Of serve? ▼
Argonia, City Of serves 455 people in Argonia, Kansas. It is a Local-owned system using Groundwater water sources with 272 service connections.
What type of violations does Argonia, City Of have? ▼
Argonia, City Of has 499 total violations: 378 health-based violations (MCL exceedances or treatment failures), 52 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Argonia, City Of water? ▼
No PFAS testing data is available for Argonia, City Of under the EPA's UCMR5 monitoring program.
What water source does Argonia, City Of use? ▼
Argonia, 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. 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.