Tap Water Results

Is Minot, ND 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 Minot.

City of Minot supplies Minot (48,743 people).

Water system

City of Minot

48,743 people · Groundwater · EPA ID ND5100660

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: 13.5 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Near 2027 action level
Health-based violations since 2016: 0

Across North Dakota, 0 of 41 water systems EPA tested had PFAS above a 2024 federal limit, and 3 systems were above the lead action level in results from the last five years. North Dakota results.

Minot homes and lead pipes

46%
of homes built before 1980 (North Dakota 48%, US 50%)
12%
built before 1950 (North Dakota 15%)
43%
of households rent (North Dakota 37%)

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 Minot city (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Mandan 99 mi
City of Mandan
City of MandanNone above limits4.2 ppb
Bismarck 101 mi
City of Bismarck
City of BismarckNone above limits2.8 ppb
Williston 109 mi
City of Williston
City of WillistonNone above limits0 ppb
Dickinson 116 mi
City of Dickinson
City of DickinsonNone above limits5.29 ppb
Grand Forks 194 mi
Grand Forks Regional Water Treatment Plant
Grand Forks Regional Water Treatment PlantNone above limits8.91 ppb
West Fargo 222 mi
City of West Fargo
City of West FargoNone above limits0 ppb
Minot ZIP codes (2)
  • 58703
  • 58707

Questions

Is Minot tap water safe to drink?

City of Minot 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 Minot, ND?

City of Minot, which serves 48,743 people.

Does Minot tap water have PFAS?

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

Census estimates put 46% of Minot homes as built before 1980 (North Dakota: 48%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Minot'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.