Lancaster, IL Water Safety: 83/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Based on current monitoring, Lancaster holds an above-average drinking water safety record for IL — violations are infrequent and typically minor when they do appear.
How Lancaster Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Lancaster Water
- Average lead level: 0.0037 mg/L.
- Estimated remediation: $400 per household.
- CDC health risk index: 14.76 — above typical levels.
Who Supplies Your Water in Lancaster
With one provider handling most of Lancaster's residential supply in IL, water service accountability is concentrated in a single utility among the 1 system on record.
Overview
We track water quality and home safety data for 1 ZIP code in Lancaster, Illinois, covering 1 community water system serving approximately 1,877 people.
No EPA violations recorded across any ZIP codes in Lancaster — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Lancaster: B (83/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Lancaster water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0037 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 62855 | B | Rural Wabash County Water District | 1,877 |
All ZIP Codes in Lancaster
- 62855 [B]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Lancaster
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Lead Exposure Risk for Children in Lancaster
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Lancaster appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Lancaster, IL