Decatur, MI: 9 Violations - Home Safety Score unavailable
1 ZIP code · 2 water systems · Updated
Data: EPA SDWIS
What You Should Know About Decatur Water
- Your city's water systems recorded 9 violations since 2021.
- Average of reported 90th-percentile lead results: 0.012 mg/L.
- Homes built before 1986: 72% - older plumbing may contain lead solder.
- Health risk index (ZipCheckup composite of CDC data): 14.79.
Who Supplies Your Water in Decatur
Counting every public water system linked to Decatur, MI in federal data gives 2. The list below keeps the 2 largest by reported population served, a figure that covers each system's whole service area rather than the city alone. A household's own supplier is named on its water bill.
Overview
We track home safety data for 1 ZIP code in Decatur, Michigan (population ~5,109), covering 2 community water systems serving approximately 8,188 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
Decatur water systems draw from: Groundwater.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0120 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 3.
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 |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 12 | 1 |
| Lead and Copper Rule | Treatment Technique | 4 | 1 |
| Public Notice Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 49045 | — | 9 | 0 | Decatur |
All ZIP Codes in Decatur
- 49045 - 9 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.
Health Outcomes in Decatur
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
Top Contaminants in Decatur Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Decatur
With 72% 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
Median construction year in Decatur: 1965, set against the 1986 federal lead limits for new plumbing.
Over half of homes in Decatur 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.
Lead Exposure Risk for Children in Decatur
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.
Children's drinking water is worth testing in Decatur: the ZIP-code average of systems' 90th-percentile readings for lead is no lower than ten parts per billion, and 72% of dwellings are pre-1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Decatur, MI