Tap Water Results

Is Andover, 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 Andover Water System. 1 PFAS were detected below the limits.

Andover Water System supplies Andover (21,455 people).

Water system

Andover Water System

21,455 people · Groundwater · EPA ID MN1020034

Buys treated water from Coon Rapids Water System.

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 (Nov 2026, 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.

Andover homes and lead pipes

23%
of homes built before 1980 (Minnesota 52%, US 50%)
3%
built before 1950 (Minnesota 20%)
6%
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 Andover city (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Coon Rapids 5 mi
Coon Rapids Water System
Coon Rapids Water SystemNone above limits0 ppb
Ramsey 6 mi
Ramsey Water System
Ramsey Water SystemNone above limits0 ppb
Blaine 9 mi
Blaine Water System
Blaine Water SystemNone above limits0 ppb
Brooklyn Park 10 mi
Brooklyn Park Water System
Brooklyn Park Water SystemAbove limit1 ppb
Maple Grove 11 mi
Maple Grove Water System
Maple Grove Water SystemNone above limits2 ppb
Fridley 12 mi
Fridley Water System
Fridley Water SystemNone above limits0 ppb
Andover ZIP codes (1)
  • 55304

Questions

Is Andover tap water safe to drink?

Andover 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 Andover, MN?

Andover Water System, which serves 21,455 people.

Does Andover tap water have PFAS?

Andover Water System had 1 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Andover homes have lead pipes?

Census estimates put 23% of Andover 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. Andover 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.