Iola, WI: 2 Violations — 41/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
For households across Iola, below-average water safety data and recurring compliance violations documented by WI EPA records make it worthwhile to verify the specific system serving your address — system-level detail is the most actionable reference point available.
How Iola Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Iola Residents
- Your city's water systems recorded 2 violations in the past 5 years.
- Average lead level: 0.012 mg/L.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 14.02 — above typical levels.
Iola's Water Providers
At present, 2 utilities serve the bulk of Iola, WI's residential water connections out of 2 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.
Overview
We track water quality and home safety data for 2 ZIP codes in Iola, Wisconsin, covering 2 community water systems serving approximately 3,408 people.
2 of 2 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Iola: D (41/100)
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
Iola water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0120 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 2 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 54945 | D | 1 | 0 | Iola Waterworks |
| 54990 | D | 1 | 0 | Iola Waterworks |
All ZIP Codes in Iola
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.
Iola Community Health Snapshot
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
What's in Iola's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Remediation Costs Compare in Iola
In Iola, property wealth outpaces what documented remediation typically demands — the equity burden lands well within the low tier.
Remediation costs in Iola are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 14% below the Wisconsin average.
Iola: Lead Risk & Vulnerable Populations
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 Iola 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.
What You Can Do in Iola
- Test your water at home. City-level data shows averages — your tap may differ. Lead testing is especially recommended given the area's lead levels.
- Install a certified water filter. Filters rated for Revised Total Coliform Rule can reduce the most common contaminant found in Iola's water.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Iola, WI