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EWG's Tap Water Database

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Endothall

Status: National drinking water standard exists

 

Endothall is a herbicide used to kill aquatic plants and algae. It's also used on potato and cotton crops.

2015:

FOUND
FOUND ABOVE HEALTH GUIDELINES

2

states detected

2

utilities detected

6,656

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for endothall

Change to the stomach and intestines

Eye damage

Skin irritation

State and national drinking water standards and health guidelines

Health Guideline 94 ppb

The health guideline of 94 ppb for endothall was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the stomach and intestines.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)100 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

States reporting endothall in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Colorado16,500
Florida1156
MORE
LESS

Utilities with the highest amounts of endothall, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Stratmoor Hills Water & Sanitation DistrictColorado Springs, CO1 of 24.50 ppb6,500
Cross Creek Mobile Home ParkHawthorne, FL1 of 14.10 ppb156
UtilityLocationTestsAverage levelPeople served