Tap Water Results

Is Northville, 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 Northville Township Water System.

3 public water systems serve parts of Northville. The largest, Northville Township Water System, serves 32,103 people. Your water bill names your system.

Largest system

Northville Township Water System

32,103 people · Purchased surface water · EPA ID MI0004845

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: 0.9 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

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.

Northville homes and lead pipes

30%
of homes built before 1980 (Michigan 62%, US 50%)
3%
built before 1950 (Michigan 22%)
22%
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. How to check your own line.

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

Other water systems serving Northville

  • Lyon Township Water System
    9,390 people · Groundwater · Michigan · reported ZIPs here
    No PFAS above limits
  • Northville Water System
    6,119 people · Purchased surface water · Michigan · lists this city
    No PFAS above limits

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Novi 4 mi
City of Novi
City of NoviNone above limits0 ppb
Livonia 6 mi
Livonia Water System
Livonia Water SystemNone above limits0 ppb
Farmington Hills 7 mi
City of Farmington Hills
City of Farmington HillsNone above limits0 ppb
Canton charter 7 mi
Canton Township Water System
Canton Township Water SystemNone above limits0 ppb
Lyon charter 8 mi
Lyon Township Water System
Lyon Township Water SystemNone above limits2 ppb
Redford charter 10 mi
Waterford Township
Waterford TownshipNone above limits1 ppb
Northville ZIP codes (2)
  • 48167
  • 48168

Questions

Is Northville tap water safe to drink?

Northville Township Water System 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 Northville, MI?

3 public water systems serve parts of Northville. The largest is Northville Township Water System (32,103 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Northville tap water have PFAS?

None detected above EPA's reporting limits. Northville Township Water System 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 Northville homes have lead pipes?

Census estimates put 30% of Northville 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. Northville Township Water System'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.