Grand Marsh, WI - Home Safety Score unavailable
1 ZIP code · 1 water system · Updated
Data: EPA SDWIS
Key Facts for Grand Marsh Residents
- Your city's water systems recorded 4 violations since 2021.
- Average of reported 90th-percentile lead results: 0.0034 mg/L.
- Homes built before 1986: 57% - older plumbing may contain lead solder.
- Health risk index (ZipCheckup composite of CDC data): 16.35.
Grand Marsh's Water Providers
Which water system serves a particular address in Grand Marsh, WI? The water bill or the utility can confirm it; the list here shows one system, and federal data link 1 in total.
Overview
We track home safety data for 1 ZIP code in Grand Marsh, Wisconsin (population ~1,174), covering 1 community water system serving approximately 1,847 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Water Sources
Grand Marsh water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0034 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 2 | 1 |
| Lead and Copper Rule Revisions | Treatment Technique | 2 | 1 |
| Public Notice Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 53936 | — | 4 | 0 | Adams Waterworks |
All ZIP Codes in Grand Marsh
- 53936 - 4 violations recorded for mapped water systems
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Grand Marsh Community Health Snapshot
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Grand Marsh's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Grand Marsh Infrastructure Age
With 57% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Renovation history matters as much as age: in Grand Marsh, with a median build year of 1987, some older homes have been replumbed and some have not.
Over half of homes in Grand Marsh were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Grand Marsh: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Grand Marsh, WI