Harrison Township, MI Water Safety: 80/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
EPA compliance records for Harrison Township tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within MI.
How Harrison Township Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Harrison Township Residents
- Average lead level: 0.001 mg/L.
- Homes built before 1986: 62% — older plumbing may contain lead solder.
- Estimated remediation: $1,700 per household.
- CDC health risk index: 13.71 — above typical levels.
Harrison Township's Water Providers
Federal drinking water records identify 3 systems in Harrison Township, MI. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 1 ZIP code in Harrison Township, Michigan (population ~24,118), covering 3 community water systems serving approximately 141,141 people region-wide.
No EPA violations recorded across any ZIP codes in Harrison Township — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Harrison Township: B (80/100)
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
Harrison Township water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0010 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)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 48045 | B | Harrison Township | 24,314 |
All ZIP Codes in Harrison Township
- 48045 [B]
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.
Harrison Township 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
Harrison Township Infrastructure Age
With 62% 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
Viewed through the lens of construction era, Harrison Township is predominantly an older city — a median build year of 1971 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Harrison Township 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 Harrison Township
Remediation costs in Harrison Township are small relative to typical property values — the cost-to-value ratio here is favorable.
Remediation costs in Harrison Township are relatively low compared to home values. The $1,100–$2,600 estimated range is a small fraction of median property value. Home values are 19% above the Michigan average.
Harrison Township: 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.
Practically, the structural drivers in Harrison Township — 62% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark — make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Harrison Township: Flood History & Water Damage Risk
FEMA data shows 100% of Harrison Township's ZIP codes mapped into designated flood zones, paired with an NFIP record of 462 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
Harrison Township has a moderate flood history with 462 FEMA claims averaging $2,795 per payout. 100% 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>$1,700</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 Harrison Township, MI