Saint Cloud, WI: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Across water systems in Saint Cloud, EPA data shows a below-average compliance pattern for WI — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Saint Cloud Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Saint Cloud Residents
- Homes built before 1986: 72% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 13.66 — above typical levels.
Saint Cloud's Water Providers
A single utility carries the primary residential water load in Saint Cloud, WI — the dominant provider across 1 federally tracked system.
Overview
We track water quality and home safety data for 1 ZIP code in Saint Cloud, Wisconsin, covering 1 community water system serving approximately 1,420 people.
No EPA violations recorded across any ZIP codes in Saint Cloud — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Saint Cloud: D (40/100)
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
Saint Cloud water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Saint Cloud
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High 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 |
|---|---|---|---|
| 53079 | D | MOUNT CALVARY WATERWORKS | 478 |
All ZIP Codes in Saint Cloud
- 53079 [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.
Saint Cloud 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
Saint Cloud Infrastructure Age
With 72% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Decades of residential development in Saint Cloud took place before the two main regulatory milestones that reduced plumbing-era lead risk: the phase-out of lead pipes before 1970, and the federal ban on lead solder in 1986. With a median build year of 1978, the housing stock here is anchored in that earlier period. The distinction between pre-1970 and 1970-to-1986 construction matters: the oldest homes may have lead pipes in the service line and lead solder in the copper joints, while the 1970-to-1986 tier still carries the solder risk even after lead pipes became less common. Together, these two risk layers affect a majority of the residential properties in the city — a fact the aggregate water quality data doesn't directly reveal.
Over half of homes in Saint Cloud were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Saint Cloud
Within the Saint Cloud market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Saint Cloud are relatively low compared to home values. The $800–$1,500 estimated range is a small fraction of median property value. Home values are 5% above the Wisconsin average.
Saint Cloud: 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.
Wherever 72% of local housing was built before solder rules changed — as is the case in Saint Cloud — a faucet-level sample closes the gap that aggregate utility data cannot.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Saint Cloud
- 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. With 72% of homes built before 1986, lead solder is a real possibility.
- 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 Saint Cloud, WI