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La Crosse, KS Tap Water Quality 2026

Water quality report for La Crosse, KS — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at La Crosse's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Lacygne, City Of PWSID: KS2010703 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.80 ppb, 12% of the action level and no violations are open. PFAS has never been sampled at this system.

B

La Crosse earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.80 ppb — 12% of the federal action level
PFAS never sampled at this system
36 violations since 2015, 9 health-based
No violations currently open
La Crosse's lead level vs. all Kansas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.80 ppb — 12% of the federal action level
✓ Lower lead than 65% of Kansas utilities
Population Served
1266
~459 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
36 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
12% of EPA action level
1.80 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.80 ppb, 12% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2026 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2023 Resolved
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2022 Resolved
Chlorine dioxide DISINFECTANT LEVEL 0.85 MG/L 0.8 mg/L 2021 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2021 Resolved
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2021 Resolved
Public Notice OTHER — — 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.067 MG/L 0.060 mg/L 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Public Notice OTHER — — 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.066 MG/L 0.060 mg/L 2020 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2019 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2019 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2019 Resolved
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2019 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2019 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2019 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2019 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Chlorine dioxide DISINFECTANT LEVEL 0.9 MG/L 0.8 mg/L 2019 Resolved
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2019 Resolved
Chlorine dioxide DISINFECTANT LEVEL 0.95 MG/L 0.8 mg/L 2019 Resolved
Cryptosporidium MONITORING AND REPORTING — — 2019 Resolved
Public Notice OTHER — — 2018 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2018 Resolved
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.081 MG/L 0.080 mg/L 2018 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2018 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

36 violations are on record since 2015, of which 9 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lacygne, City Of
PWSID KS2010703
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,266
Service connections 459
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is La Crosse tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.80 ppb, 12% of the action level.
Does La Crosse water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to La Crosse? ▼
Lacygne, City Of (PWSID KS2010703). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-03-19. No significant deficiencies were recorded.

What Should La Crosse Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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