Rock Falls, WI Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Rock Falls, WI: water systems collectively below average — violations documented.
How Rock Falls Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Rock Falls Residents
- Estimated remediation: $400 per household.
- CDC health risk index: 12.26 — above typical levels.
Rock Falls's Water Providers
Because residential water in Rock Falls, WI flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Rock Falls, Wisconsin, covering 1 community water system serving approximately 895 people.
No EPA violations recorded across any ZIP codes in Rock Falls — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Rock Falls: D (53/100)
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
Rock Falls water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Rock Falls
- 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 |
|---|---|---|---|
| 54764 | D | ELK MOUND WATERWORKS | 895 |
All ZIP Codes in Rock Falls
- 54764 [D]
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.
Rock Falls 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 You Can Do in Rock Falls
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- 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 Rock Falls, WI