Tap Water Results

Is Novi, MI tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for City of Novi.

2 public water systems serve parts of Novi. The largest, City of Novi, serves 56,780 people. Your water bill names your system.

Largest system

City of Novi

56,780 people · Purchased surface water · EPA ID MI0004870

Buys treated water from Great Lakes Water Authority.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 0 ppb at the 90th percentile (Dec 2025, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Full City of Novi results

Across Michigan, 5 of 311 water systems EPA tested had PFAS above a 2024 federal limit, and 26 systems were above the lead action level in results from the last five years. Michigan results.

Novi homes and lead pipes

27%
of homes built before 1980 (Michigan 62%, US 50%)
2%
built before 1950 (Michigan 22%)
34%
of households rent (Michigan 27%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Novi city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Novi

  • Commerce Township Water System
    19,811 people · Purchased surface water · Michigan · reported ZIPs here
    No PFAS above limits

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Northville 4 mi
Northville Township Water System
Northville Township Water SystemNone above limits0.9 ppb
Farmington Hills 6 mi
City of Farmington Hills
City of Farmington HillsNone above limits0 ppb
Lyon charter 6 mi
Lyon Township Water System
Lyon Township Water SystemNone above limits2 ppb
Commerce charter 7 mi
Commerce Township Water System
Commerce Township Water SystemNone above limits0 ppb
West Bloomfield charter 8 mi
West Bloomfield Township Water System
West Bloomfield Township Water SystemNone above limits0 ppb
Livonia 8 mi
Livonia Water System
Livonia Water SystemNone above limits0 ppb
Novi ZIP codes (3)
  • 48374
  • 48375
  • 48377

Questions

Is Novi tap water safe to drink?

City of Novi has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Novi, MI?

2 public water systems serve parts of Novi. The largest is City of Novi (56,780 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Novi tap water have PFAS?

None detected above EPA's reporting limits. City of Novi had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do Novi homes have lead pipes?

Census estimates put 27% of Novi homes as built before 1980 (Michigan: 62%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Novi's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.