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Community Water System · PWS KS2011111

Hartford, City Of

Hartford, Kansas 66854-0176 - drinking water served from surface water sources to 356 people, tracked in EPA SDWIS and UCMR5.

356
People served
78
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 78 drinking-water violations at Hartford, City Of, 28% of them health-based - below the Kansas per-system average.

78
Total EPA violations on record
28%
Health-based (MCL / treatment failure)
356
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hartford, City Of

Hartford, City Of is a local-owned community water system that delivers drinking water to 356 residents in Hartford, Kansas (Lyon County) through 275 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 78 total violations for this system , of which 22 (28%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 32 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 22 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%).

Hartford, City Of's 78 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
356
Total Violations
78
Health-Based Violations
22
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
275
County
Lyon
School/Daycare
No
MCL Violations
22
Monitoring Violations
32
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 22 2013
Coliform (TCR) MR 21 2012
Consumer Confidence Rule Other 8 2016
Revised Total Coliform Rule MON 8 2018
Public Notice Other 7 2013
LEAD AND COPPER RULE REVISIONS RPT 4 2025
Lead and Copper Rule MR 3 2019

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 Hartford, 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 KS2011111 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 4 SDWIS / KS2011111 / 5200
2019 Lead and Copper Rule MR 3 SDWIS / KS2011111 / 5000
2018 Revised Total Coliform Rule MON 8 SDWIS / KS2011111 / 8000
2016 Consumer Confidence Rule Other 8 SDWIS / KS2011111 / 7000
2013 Coliform (TCR) MCL 22 SDWIS / KS2011111 / 3100
2013 Public Notice Other 7 SDWIS / KS2011111 / 7500
2012 Coliform (TCR) MR 21 SDWIS / KS2011111 / 3100

How Hartford, City Of Compares

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

Metric Hartford, City Of Kansas avg Federal benchmark
Total violations 78 88.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 356 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 Hartford, City Of water safe to drink? ▼
Hartford, City Of (PWS ID: KS2011111) has 78 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 356 people using Surface Water sources.
How many people does Hartford, City Of serve? ▼
Hartford, City Of serves 356 people in Hartford, Kansas. It is a Local-owned system using Surface Water water sources with 275 service connections.
What type of violations does Hartford, City Of have? ▼
Hartford, City Of has 78 total violations: 22 health-based violations (MCL exceedances or treatment failures), 32 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hartford, City Of water? ▼
No PFAS testing data is available for Hartford, City Of under the EPA's UCMR5 monitoring program.
What water source does Hartford, City Of use? ▼
Hartford, 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.