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EWG's Tap Water Database — 2019 UPDATE

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Desisopropylatrazine

Status: No national drinking water standard exists

 

Desethylatrazine, or deethylatrazine, and desisopropylatrazine are formed from the degradation of atrazine, a herbicide associated with hormonal disruption in people and wildlife.

2015-2017:

FOUND
FOUND ABOVE HEALTH GUIDELINES

1

states detected

35

utilities detected

276,000

people served

1

states over health guideline

36

utilities over health guideline

278,000

people served over health guideline

Health concerns for desisopropylatrazine

Harm to the developing fetus

Hormone disruption

Harm to the reproductive system

Changes in the nervous system

Changes in brain and behavior

Cancer

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for desisopropylatrazine was defined by EWG based on epidemiological studies of human exposure to atrazine in drinking water.. This health guideline protects against harm to the developing fetus, harm to the reproductive system and hormone disruption.

ppb = parts per billion

States reporting desisopropylatrazine in drinking water

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served UtilitiesPeople Served
Kansas36278,27435276,034
MORE
LESS

Filtering technologies that reduce desisopropylatrazine

carbon filter icon

Activated Carbon

reverse osmosis icon

Reverse Osmosis

Utilities with the highest amounts of desisopropylatrazine, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Anderson County Rural Water District 1Garnett, KS1 of 20.405 ppb37
Garnett, City of*Garnett, KS1 of 20.405 ppb3,295
Shawnee County Rural Water District 3c*Topeka, KS2 of 30.397 ppb1,785
Shawnee County Rural Water District 1cAuburn, KS2 of 30.397 ppb4,160
City of Topeka*Topeka, KS2 of 30.397 ppb165,000
Metro Topeka Airport AuthorityTopeka, KS2 of 30.397 ppb500
Fort Scott, City of*Fort Scott, KS2 of 30.293 ppb7,874
Beloit, City of*Beloit, KS1 of 30.287 ppb3,792
Mitchell County Rural Water District 1Beloit, KS1 of 30.287 ppb345
Russell, City ofRussell, KS2 of 30.260 ppb4,484
Paola, City of*Paola, KS1 of 30.137 ppb5,593
Marais Des Cygnes Public Utility Authority*Louisburg, KS1 of 30.137 ppb1
Miami County Rural Water District 2*Hillsdale, KS1 of 30.120 ppb8,631
Miami County Rural Water District 4Drexel, KS1 of 30.120 ppb875
Spring Hill, City ofSpring Hill, KS1 of 30.120 ppb3,502
Wellington, City of*Wellington, KS1 of 30.113 ppb7,942
Sumner County Rural Water District 2Park City, KS1 of 30.113 ppb495
Sumner County Rural Water District 1Oxford, KS1 of 30.113 ppb280
Mayfield, City ofMayfield, KS1 of 30.113 ppb110
Sumner County Rural Water District 3Wellington, KS1 of 30.113 ppb80
Atchison County Rural Water District 1Atchison, KS1 of 30.110 ppb490
Atchison County Rural Water District 3Atchison, KS1 of 30.110 ppb110
Atchison County Rural Water District 6Atchison, KS1 of 30.110 ppb670
City of Atchison*Atchison, KS1 of 30.110 ppb10,771

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Desisopropylatrazine, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
City of Topeka*Topeka, KS2 of 30.397 ppb165,000
City of Atchison*Atchison, KS1 of 30.110 ppb10,771

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Desisopropylatrazine, but it likely has the contaminant in its water supply.