Tap Water Results

Is Elk River, MN 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 Elk River Water System.

Elk River Water System supplies Elk River (19,532 people).

Water system

Elk River Water System

19,532 people · Groundwater · EPA ID MN1710004

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: 2 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 Minnesota, 10 of 197 water systems EPA tested had PFAS above a 2024 federal limit, and 7 systems were above the lead action level in results from the last five years. Minnesota results.

Elk River homes and lead pipes

26%
of homes built before 1980 (Minnesota 52%, US 50%)
3%
built before 1950 (Minnesota 20%)
21%
of households rent (Minnesota 28%)

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

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Ramsey 7 mi
Ramsey Water System
Ramsey Water SystemNone above limits0 ppb
Andover 12 mi
Andover Water System
Andover Water SystemNone above limits0 ppb
Maple Grove 16 mi
Maple Grove Water System
Maple Grove Water SystemNone above limits2 ppb
Coon Rapids 16 mi
Coon Rapids Water System
Coon Rapids Water SystemNone above limits0 ppb
Brooklyn Park 19 mi
Brooklyn Park Water System
Brooklyn Park Water SystemAbove limit1 ppb
Blaine 21 mi
Blaine Water System
Blaine Water SystemNone above limits0 ppb
Elk River ZIP codes (1)
  • 55330

Questions

Is Elk River tap water safe to drink?

Elk River 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 Elk River, MN?

Elk River Water System, which serves 19,532 people.

Does Elk River tap water have PFAS?

None detected above EPA's reporting limits. Elk River 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 Elk River homes have lead pipes?

Census estimates put 26% of Elk River homes as built before 1980 (Minnesota: 52%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Elk River 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.