Lake Lillian
EPA ID: MN1340004 · 236 people served · 1 ZIP code
While corrective steps may be in progress, Lake Lillian currently shows 13 EPA violations unresolved — serving a population of approximately 236.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 4 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Lake Lillian Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Lake Lillian serves a community with a median household income of $73,984 and an estimated 737 residents across its service area. Approximately 72% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lake Lillian's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 0% of homes in Kandiyohi County, Minnesota rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Lake Lillian compares to EPA limits
What This Means For You
Barium at 13 mg/L exceeds the EPA maximum of 2 mg/L.
Lead and Copper Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
Comparable Water Systems
Similar-sized systems in Minnesota
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lake Lillian (EPA ID: MN1340004) is a community water system in Minnesota that serves approximately 236 people from groundwater sources.
This system serves ZIP code 56253 in Lake Lillian.
Average Home Safety Score: D (45/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| October 1, 2025 | Barium | Health-based | Unresolved |
| September 9, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| July 1, 2025 | Barium | Health-based | Unresolved |
| April 1, 2025 | Barium | Health-based | Unresolved |
| January 22, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2025 | Barium | Health-based | Unresolved |
| January 1, 2025 | Revised Total Coliform Rule | Monitoring | Unresolved |
| October 1, 2024 | Barium | Health-based | Resolved |
| September 22, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| July 1, 2024 | Barium | Health-based | Resolved |
| June 5, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2024 | Barium | Health-based | Unresolved |
| January 1, 2024 | Barium | Health-based | Unresolved |
| October 1, 2023 | Barium | Health-based | Unresolved |
| July 1, 2023 | Barium | Health-based | Unresolved |
| April 1, 2023 | Barium | Health-based | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Barium | Inorganic | 13 | Yes |
| Lead and Copper Rule | Treatment Failure | 4 | No |
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 56253 | 0.002 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 56253 — Lake Lillian
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lake Lillian (MN1340004) on EPA.gov.
Frequently Asked Questions
Is Lake Lillian water safe to drink?
Lake Lillian has recorded 13 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Lake Lillian serve?
Lake Lillian serves approximately 236 people across 1 ZIP code in Minnesota.
Where does Lake Lillian get its water?
The primary water source is groundwater.
Contact Your Water Utility
Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.
Contact information from Lake Lillian Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Treatment chemicals and what each one does
Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.
Treatment classification and chemical list sourced from Lake Lillian Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Notable events and violations
This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.
Notable events from the utility's CCR
These bullet entries are the utility's own narration of operational, regulatory, or infrastructure events during the reporting period.
- Ongoing arsenic MCL violation: average 16.4 ppb vs 10 ppb MCL; original MCL violation issued 1/9/2019, still unresolved as of the 2025 report. System exploring alternative source or treatment.
ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lake Lillian (EPA ID: MN1340004) — request the latest Consumer Confidence Report or ask about specific contaminants.