Tap Water Results

Is Port Huron, 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 Port Huron.

2 public water systems serve parts of Port Huron. The largest, City of Port Huron, serves 28,983 people. Your water bill names your system.

Largest system

City of Port Huron

28,983 people · Surface water · EPA ID MI0005480

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: 5.1 ppb at the 90th percentile (Dec 2023, 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.

Port Huron homes and lead pipes

79%
of homes built before 1980 (Michigan 62%, US 50%)
41%
built before 1950 (Michigan 22%)
38%
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 Port Huron city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Port Huron

  • Port Huron Township Water System
    10,654 people · Purchased surface water · Michigan · lists this city
    No PFAS above limits

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Chesterfield 29 mi
Chesterfield Township Water System
Chesterfield Township Water SystemNone above limits0 ppb
Macomb 33 mi
Macomb Township Water System
Macomb Township Water SystemNone above limits0 ppb
Sterling Heights 41 mi
City of Sterling Heights
City of Sterling HeightsNone above limits0 ppb
St. Clair Shores 42 mi
City of St. Clair Shores
City of St. Clair ShoresNone above limits1.1 ppb
Roseville 42 mi
City of Roseville
City of RosevilleNone above limits8.68 ppb
Rochester Hills 43 mi
Rochester Hills Water System
Rochester Hills Water SystemNone above limits1.3 ppb
Port Huron ZIP codes (1)
  • 48060

Questions

Is Port Huron tap water safe to drink?

City of Port Huron 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 Port Huron, MI?

2 public water systems serve parts of Port Huron. The largest is City of Port Huron (28,983 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Port Huron tap water have PFAS?

None detected above EPA's reporting limits. City of Port Huron 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 Port Huron homes have lead pipes?

Census estimates put 79% of Port Huron 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 Port Huron'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.