States ›Minnesota ›Kandiyohi County ›Lake Lillian

Lake Lillian, MN Tap Water Quality 2026

Water quality report for Lake Lillian, MN — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

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

Main Utility: Lake Lillian PWSID: MN1340004 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.00 ppb, 13% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Lake Lillian earns a B for water quality

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

Lead: 2.00 ppb — 13% of the federal action level
PFAS never sampled at this system
27 violations since 2015, 22 health-based
No violations currently open
Lake Lillian's lead level vs. all Minnesota community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.00 ppb — 13% of the federal action level
✓ Lower lead than 83% of Minnesota utilities
Population Served
246
~136 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
27 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
13% of EPA action level
2.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.00 ppb, 13% 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
Arsenic MCL EXCEEDANCE 0.0155 MG/L 0.010 mg/L 2026 Archived
Arsenic MCL EXCEEDANCE 0.01625 MG/L 0.010 mg/L 2025 Archived
Public Notice OTHER — — 2025 Resolved
Arsenic MCL EXCEEDANCE 0.01475 MG/L 0.010 mg/L 2025 Archived
Arsenic MCL EXCEEDANCE 0.0145 MG/L 0.010 mg/L 2025 Archived
Public Notice OTHER — — 2025 Resolved
Arsenic MCL EXCEEDANCE 0.0175 MG/L 0.010 mg/L 2025 Archived
Arsenic MCL EXCEEDANCE 0.01725 MG/L 0.010 mg/L 2024 Archived
Public Notice OTHER — — 2024 Resolved
Arsenic MCL EXCEEDANCE 0.0175 MG/L 0.010 mg/L 2024 Archived
Public Notice OTHER — — 2024 Resolved
Arsenic MCL EXCEEDANCE 0.01775 MG/L 0.010 mg/L 2024 Archived
Arsenic MCL EXCEEDANCE 0.01425 MG/L 0.010 mg/L 2024 Archived
Arsenic MCL EXCEEDANCE 0.012 MG/L 0.010 mg/L 2023 Archived
Arsenic MCL EXCEEDANCE 0.0148 MG/L 0.010 mg/L 2023 Archived
Arsenic MCL EXCEEDANCE 0.0205 MG/L 0.010 mg/L 2023 Archived
Arsenic MCL EXCEEDANCE 0.02625 MG/L 0.010 mg/L 2022 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
Arsenic MCL EXCEEDANCE 0.01225 MG/L 0.010 mg/L 2021 Archived
Arsenic MCL EXCEEDANCE 0.013 MG/L 0.010 mg/L 2020 Archived
Arsenic MCL EXCEEDANCE 0.0133 MG/L 0.010 mg/L 2020 Archived
Arsenic MCL EXCEEDANCE 0.013 MG/L 0.010 mg/L 2020 Archived
Arsenic MCL EXCEEDANCE 0.015 MG/L 0.010 mg/L 2020 Archived
Arsenic MCL EXCEEDANCE 0.014 MG/L 0.010 mg/L 2019 Archived
Arsenic MCL EXCEEDANCE 0.01425 MG/L 0.010 mg/L 2019 Archived
Arsenic MCL EXCEEDANCE 0.0123 MG/L 0.010 mg/L 2019 Archived
Arsenic MCL EXCEEDANCE 0.0105 MG/L 0.010 mg/L 2018 Archived
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

27 violations are on record since 2015, of which 22 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lake Lillian
PWSID MN1340004
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 246
Service connections 136
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Lake Lillian tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.00 ppb, 13% of the action level.
Does Lake Lillian 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 Lake Lillian? ▼
Lake Lillian (PWSID MN1340004). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-04-17. No significant deficiencies were recorded.

What Should Lake Lillian 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.

Nearby Cities in Minnesota

Willmar, Mn Tap Water Quality 2026 Kandiyohi New London, Mn Tap Water Quality 2026 Kandiyohi Atwater, Mn Tap Water Quality 2026 Kandiyohi Spicer, Mn Tap Water Quality 2026 Kandiyohi New London, Mn Tap Water Quality 2026 Kandiyohi Raymond, Mn Tap Water Quality 2026 Kandiyohi