Frankenmuth, MI Water Safety: 97/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
Looking at federal monitoring data for Frankenmuth, MI: the city clears benchmarks set under the Safe Drinking Water Act with room to spare — recorded exceedances are rare, and the systems serving local households have not triggered any pattern of repeat deficiencies in recent cycles.
How Frankenmuth Compares
Data: EPA SDWIS Last verified: 2026-06-03
Frankenmuth Water: The Quick Version
- Average lead level: 0.0025 mg/L.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 14.76 — above typical levels.
Water Systems Serving Frankenmuth
Structurally, Frankenmuth, MI's water supply is divided. Federal data identifies 3 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 2 ZIP codes in Frankenmuth, Michigan, covering 3 community water systems serving approximately 7,642 people.
No EPA violations recorded across any ZIP codes in Frankenmuth — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Frankenmuth: A (97/100)
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
Frankenmuth water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0025 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 2 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 48734 | A | City of Frankenmuth, | 4,944 |
| 48787 | A | City of Frankenmuth, | 4,944 |
All ZIP Codes in Frankenmuth
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.
CDC Health Data for Frankenmuth
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
Frankenmuth: Remediation Cost in Perspective
In Frankenmuth, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.
Remediation costs in Frankenmuth are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 40% above the Michigan average.
Protecting Children from Lead in Frankenmuth
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 Frankenmuth 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.
Climate-Related Water Risk for Frankenmuth
The National Flood Insurance Program captures decades of claims at the local level, building a record of cumulative community flood exposure. For Frankenmuth, that record documents 3 claims and 50% of ZIP codes inside FEMA-designated flood zones. What makes those numbers relevant to water quality is the set of mechanisms flooding activates: heavy precipitation that floods treatment intake zones can introduce contaminants upstream of normal filtration; well casings in low-lying areas can be infiltrated by floodwaters carrying bacteria, sediment, and chemical residue; and distribution system pressure changes during flooding can create backflow conditions. These effects become more probable as flood frequency and magnitude increase — and the NFIP record indicates both are meaningful factors locally.
Frankenmuth has a moderate flood history with 3 FEMA claims averaging $8,589 per payout. 50% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,200</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
Deep Dive Reports
Detailed analysis for Frankenmuth, MI