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

Chloropicrin

STATES DETECTED

2

serves

24,426

utilities detected

3

Overview

Chloropicrin is a DNA-damaging, cancer-causing insecticide used for soil fumigation in greenhouses and for fumigating buildings to kill termites. Chlorpicrin also forms as a byproduct of drinking water disinfection.

understand filter technology

Chloropicrin around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
California123,946
Texas2480

Utilities with the highest amounts of chloropicrin, 2021-2023

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Quinlan North SubdivisionAustin, TX1 of 11.30 ppb213
Barrow SubdivisionAustin, TX1 of 10.900 ppb267
San Fernando Water DepartmentSan Fernando, CA17 of 240.600 ppb23,946
UtilityLocationTestsAverage levelPeople served
San Fernando Water DepartmentSan Fernando, CA17 of 240.600 ppb23,946

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