Novi, MI Water Safety: 83/100 (2026)
4 ZIP codes · 8 water systems · Updated 2026-06-03
Drinking water tracked for Novi by MI authorities posts above-average scores — the majority of systems are free from health-based exceedances and the city's grade sits above the state median.
How Novi Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Novi Water
- Average lead level: 0.0012 mg/L.
- Homes built before 1986: 33% — older plumbing may contain lead solder.
- Estimated remediation: $850 per household.
- CDC health risk index: 11.75.
Who Supplies Your Water in Novi
Residential water in Novi, MI is supplied by 3 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 8 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 4 ZIP codes in Novi, Michigan (population ~61,530), covering 8 community water systems serving approximately 117,700 people region-wide.
No EPA violations recorded across any ZIP codes in Novi — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Novi: B (83/100)
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
Novi water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0012 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 4 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 48374 | B | City of Novi, | 56,780 |
| 48375 | B | City of Novi, | 56,780 |
| 48376 | B | City of Novi, | 56,780 |
| 48377 | B | City of Novi, | 56,780 |
All ZIP Codes in Novi
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.
Health Outcomes in Novi
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
Housing & Infrastructure in Novi
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Novi's residential inventory spans multiple construction eras, with the median build year of 1990 landing in a zone where pre- and post-1986 homes are both well represented. That split matters because homes built before 1986 may contain lead-soldered copper joints — a plumbing practice banned that year — while those built before 1970 face the additional possibility of lead pipes in the service line. Whether a specific household sits on the older or newer end of this distribution is the primary variable shaping its individual exposure risk.
Most homes in Novi were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Novi Homeowners
In Novi, property values comfortably outpace what documented remediation typically costs — the equity share is proportionally low.
Remediation costs in Novi are relatively low compared to home values. The $300–$1,425 estimated range is a small fraction of median property value. Home values are 71% above the Michigan average.
Lead Exposure Risk for Children in Novi
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 33% of local housing was built before solder rules changed — as is the case in Novi — 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.
Flood & Climate Risk in Novi
Although Novi's flood history doesn't reach high-severity thresholds, NFIP data documents 3 claims and FEMA maps place 25% of ZIP codes in designated flood zones — a combined profile that makes flood-related water quality considerations a reasonable planning baseline.
Novi has a moderate flood history with 3 FEMA claims. 25% 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>$850</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 Novi, MI