Skip to content

Water Quality Report

Lasalle, MN

Watonwan County · 90 residents · 1 water system

7

Contaminants detected

0

PFAS compounds

—

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Lasalle drinking water comes from groundwater wells. Based on the most recent monitoring data, 7 contaminants have been detected in the water supply, including Lead, Arsenic, Radium, Total Trihalomethanes, and 3 others.

Contaminants detected in Lasalle water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0 / 0.015 mg/L
0% of EPA limit
Arsenic0.0089 / 0.01 mg/L
89% of EPA limit
Radium1.8 / 5 pCi/L
36% of EPA limit
Total Trihalomethanes41.7 / 80 ug/L
52% of EPA limit
22% of EPA limit
Fluoride0.79 / 4 mg/L
20% of EPA limit
Barium0.14 / 2 mg/L
7% of EPA limit
Microplastics (not routinely tested)

Other cities in Watonwan County

Water quality reports for nearby Minnesota communities.

Frequently asked questions

Is Lasalle, MN tap water safe to drink?
Lasalle tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 7 contaminants have been detected in the water supply, including Lead, Arsenic, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5). View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Lasalle water?
Monitoring has detected 7 contaminants in Lasalle's water supply: Lead, Arsenic, Radium, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, Barium. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Where does Lasalle get its drinking water?
Lasalle's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Minnesota Department of Health and EPA requirements before distribution. Lasalle is served by one water system: LaSalle.

Check your water quality

Enter your address for a detailed report specific to your water system.

On a private well? Search your address for nearby groundwater monitoring data.

Free water assessment in Lasalle.

Schedule an onsite consultation.