Tap Water Quality Report

Tap water quality in Minneapolis, Minnesota

Served by 2 public water systems. 850,300 residents.

Average score 66/100
Utilities 2
Population 850,300
D
66/100
Below Average
ⓘ How did we get this rating?
Quick answer

Tap water in Minneapolis, Minnesota receives a grade of D (66/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily Minneapolis. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Lead detected in source water; Haloacetic Acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

What's in Minneapolis's tap water

Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving Minneapolis.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 20.4 ppb, 340x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 15.4 ppb, 154x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 16.7 ppb, 112x above the EWG health guideline of 0.15 ppb.

Lead detected in source water

Severe concern

Lead detected at 2.4 ppb. EWG considers no level of lead safe; EPA's action level is 15 ppb.

Haloacetic Acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic Acids (HAA5) detected at 26.5 ppb, 265x above the EWG health guideline of 0.1 ppb.

Recommended filters for Minneapolis

Filters matched to the specific contaminants in Minneapolis's water supply.

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

All contaminants detected in Minneapolis's tap water

Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →

Sample test dates: Water samples were collected in 2024. Test dates per contaminant are shown in the table below.

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
20.4 ppb 0.06 340× over
Haloacetic Acids (HAA5)
Disinfection byproduct
26.5 ppb 0.1 60 60 2023 265× over
Haloacetic acids (HAA5)
Disinfection byproduct
15.4 ppb 0.1 60.0 60 154× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
16.7 ppb 0.15 80.0 100 112× over
Dichloroacetic acid
Disinfection byproduct
11.5 ppb 0.2 58× over
Bromodichloromethane
Disinfection byproduct
2.9 ppb 0.06 48× over
Total Trihalomethanes (TTHMs)
Disinfection byproduct
20.7 ppb 0.6 80 100 2022 34× over
Chloroform
Disinfection byproduct
13.5 ppb 0.4 34× over
Trichloroacetic acid
Disinfection byproduct
3.16 ppb 0.1 32× over
Chromium-6 (Hexavalent)
Heavy metal
0.379 ppb 0.02 0.02 2022 19× over
Chromium (hexavalent)
Heavy metal
0.31 ppb 0.02 16× over
Nitrate
Inorganic
1.43 mg/L 0.14 10 11.3 11.3 10 2023 10× over
Dibromochloromethane
Disinfection byproduct
0.306 ppb 0.1 3.1× over
Molybdenum
Other
0.583 ppb 40.0 Below guideline
Monochloroacetic acid
Disinfection byproduct
0.685 ppb 53.0 Below guideline
Vanadium
Other
0.212 ppb 21.0 Below guideline
Manganese
Heavy metal
0.613 ppb 100.0 50 80 Below guideline
Perfluorobutanoic Acid (PFBA)
PFAS
5.51 ppt 1000.0 Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
0.198 ppt 1000.0 Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
0.1 ppt 1000.0 Below guideline
Strontium
Radiological
0.0699 ppb 1500.0 Below guideline
Fluoride
Inorganic
0.704 ppm 4.0 1.5 1.5 Below guideline
Lead
Heavy metal
3.07 ppb 0 15 5 10 0.2 2022
Contaminant Detected (2023) EWG EPA EU DWD WHO CA PHG Status
Haloacetic Acids (HAA5)
Disinfection byproduct
26.5 ppb 0.1 60 60 265× over
Nitrate
Inorganic
1.43 mg/L 0.14 10 11.3 11.3 10 10× over
Contaminant Detected (2022) EWG EPA EU DWD WHO CA PHG Status
Total Trihalomethanes (TTHMs)
Disinfection byproduct
20.7 ppb 0.6 80 100 34× over
Chromium-6 (Hexavalent)
Heavy metal
0.379 ppb 0.02 0.02 19× over
Lead
Heavy metal
3.07 ppb 0 15 5 10 0.2

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from Minneapolis.

Treatment Plant

FacilityTREATMENT PLANT 1 (Fridley)