Know Your Environment. Protect Your Health.
EWG Home Skin Deep Database Healthy Living App EWG Verified Open menu

EWG’s Tap
Water Database
Water Contamination Water Filter Guide Consumer Resources News & Insights
TAKE ACTION

CONTAMINANT

1,3-propanediol

STATES DETECTED

1

serves

365

utilities detected

1

Overview

Want to remove
1,3-propanediol from your water?

Try these filter technologies:

Activated Carbon, 

Reverse Osmosis, 

understand filter technology

1,3-propanediol around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
Wisconsin1365

Utilities with the highest amounts of 1,3-propanediol, 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
La Valle WaterworksLa Valle, WI1 of 14,370.0 ppb365
UtilityLocationTestsAverage levelPeople served

Know the Standards

Understand EWG’s guidelines on contaminants in your water.

view ewg’s standards

Take Action

Interested in supporting other causes? Learn more about our ongoing campaigns and how you can make a difference.

LEARN MORE

Need help finding a filter?

Discover top-rated filters that protect your family from harmful contaminants.

GET THE GUIDE

We’re in this together

Donate today and join the fight to protect our environmental health.

DONATE TODAY

Protect your water

Sign our petition to protect PFAS drinking water standards

TAKE ACTION