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EWG's Tap Water Database — 2021 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.

2017-2019:

FOUND
FOUND ABOVE HEALTH GUIDELINES

1

states detected

12

utilities detected

41,517

people served

1

states over health guideline

12

utilities over health guideline

41,517

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
Kansas1241,5171241,517
MORE
LESS

Filtering technologies that reduce desisopropylatrazine

carbon filter icon

Activated Carbon

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Reverse Osmosis

Utilities with the highest amounts of desisopropylatrazine, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Iola, City of*Iola, KS2 of 50.494 ppb5,312
Allen County Rural Water District 15Iola, KS2 of 50.494 ppb135
Gas City, City ofGas, KS2 of 50.494 ppb505
Anderson County Rural Water District 1Garnett, KS1 of 30.270 ppb37
Garnett, City of*Garnett, KS1 of 30.270 ppb3,262
Metro Topeka Airport AuthorityTopeka, KS2 of 50.238 ppb500
Shawnee County Rural Water District 3c*Topeka, KS2 of 50.238 ppb2,675
Shawnee County Rural Water District 1cAuburn, KS2 of 50.238 ppb4,160
City of Topeka*Topeka, KS2 of 50.238 ppb165,000
Fort Scott, City of*Fort Scott, KS2 of 50.176 ppb7,765
Russell, City ofRussell, KS2 of 50.156 ppb4,463
Mitchell County Rural Water District 1Beloit, KS1 of 60.143 ppb345
Beloit, City of*Beloit, KS1 of 60.143 ppb3,726
Paola, City of*Paola, KS1 of 50.0820 ppb5,670
Marais Des Cygnes Public Utility Authority*Louisburg, KS1 of 50.0820 ppb1
Spring Hill, City ofSpring Hill, KS1 of 50.0720 ppb3,502
Miami County Rural Water District 4Drexel, KS1 of 50.0720 ppb875
Fontana, City ofFontana, KS1 of 50.0720 ppb232
Miami County Rural Water District 2*Hillsdale, KS1 of 50.0720 ppb8,631
Mayfield, City ofMayfield, KS1 of 50.0680 ppb106
Sumner County Rural Water District 3Wellington, KS1 of 50.0680 ppb80
Sumner County Rural Water District 1Oxford, KS1 of 50.0680 ppb280
Sumner County Rural Water District 2Park City, KS1 of 50.0680 ppb490
Wellington, City of*Wellington, KS1 of 50.0680 ppb7,748
Atchison County Rural Water District 6Atchison, KS1 of 60.0550 ppb670
City of Atchison*Atchison, KS1 of 60.0550 ppb10,636
Atchison County Rural Water District 3Atchison, KS1 of 60.0550 ppb110
Atchison County Rural Water District 1Atchison, KS1 of 60.0550 ppb490

* 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 50.238 ppb165,000
City of Atchison*Atchison, KS1 of 60.0550 ppb10,636

* 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.