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EWG's Tap Water Database — 2019 UPDATE

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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.

2015-2017:

FOUND
FOUND ABOVE HEALTH GUIDELINES

5

states detected

14

utilities detected

205,000

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

EWG Health Guideline 94 ppb

The EWG 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.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for endothall, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

States reporting endothall in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
Florida10196,446
Colorado16,500
Pennsylvania11,200
Wyoming1470
Louisiana1159
MORE
LESS

Filtering technologies that reduce endothall

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of endothall, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Vet Adm Medical CenterSheridan, WY1 of 214.8 ppb470
City of Fort MeadeFort Meade, FL1 of 24.50 ppb5,455
Borough of AtglenAtglen, PA1 of 72.64 ppb1,200
Phoenix Mobile Home Park of Lake Charles LLC W SLake Charles, LA2 of 62.10 ppb159
Cross Creek Mobile Home ParkHawthorne, FL1 of 22.05 ppb156
Mulberry, City ofMulberry, FL2 of 51.72 ppb3,780
Stratmoor Hills Water & Sanitation DistrictColorado Springs, CO1 of 61.50 ppb6,500
South Broward Utility/sunriseFort Lauderdale, FL1 of 31.43 ppb9,457
Fern Crest Utilities Inc.Ft Lauderdale, FL1 of 31.43 ppb4,643
Royal Utility CompanyCoral Springs, FL1 of 60.717 ppb4,481
Miramar (East & West) PlantsMiramar, FL1 of 60.717 ppb128,729
Naval Air Station Pensacola / Corry StationNas Pensacola, FL2 of 210.600 ppb22,600
Frostproof, City ofFrostproof, FL2 of 60.600 ppb3,550
CentralWinter Haven, FL1 of 100.120 ppb13,595
UtilityLocationTestsAverage levelPeople served
Miramar (East & West) PlantsMiramar, FL1 of 60.717 ppb128,729
Naval Air Station Pensacola / Corry StationNas Pensacola, FL2 of 210.600 ppb22,600
CentralWinter Haven, FL1 of 100.120 ppb13,595