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EWG's Tap Water Database — 2019 UPDATE

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Atrazine

Raymore

NOTE: Raymore purchases water from Kansas City which is required to test for atrazine. Sample information shown below was taken by Kansas City.

Atrazine is a herbicide commonly detected in drinking water that comes from cornfield and other agricultural runoff. It is a hormone disrupter that harms the male and female reproductive systems of people and wildlife. Read More.

Federal laws allow up to 3 parts per billion of atrazine in treated tap water. Water suppliers average atrazine measurements collected over a year, which means that the reported values underestimate intense spikes of elevated exposures during the periods in late spring and early summer when atrazine is applied in large amounts on farm fields.

Human epidemiological studies suggest that federal standards for atrazine are insufficient to protect public health. In 1999 the California Office of Environmental Health Hazard Assessment set a public health goal of 0.15 parts per billion for atrazine in drinking water, based on a study finding increased rates of breast cancer in rats exposed to the chemical. California's legal maximum for atrazine in tap water is 1 ppb.

Click here to read more about atrazine.

 

123

Samples

0

Samples exceeding legal limit (MCL)

28

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.286 ppb7219ND - 2.47 ppb
20130.339 ppb123ND - 2.10 ppb
20140.192 ppb92ND - 1.07 ppb
20150.0867 ppb121ND - 1.04 ppb
20160.0583 ppb121ND - 0.700 ppb
20170.447 ppb62ND - 1.59 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for atrazine 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.

EPA Maximum Contaminant
Level (MCL) 3 ppb

The legal limit for atrazine, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s. This limit does not fully protect against harm to the reproductive system, harm to the developing fetus, and hormone disruption.

ppb = parts per billion

All test results

NOTE: Raymore purchases water from Kansas City which is required to test for atrazine. Sample information shown below was taken by Kansas City.

Date Lab ID Result
2012-01-03C03901ND
2012-01-04C04057ND
2012-01-11C04962ND
2012-01-18C05814ND
2012-01-25C06731ND
2012-02-01C07578ND
2012-02-08C08538ND
2012-02-15C09433ND
2012-02-22C10327ND
2012-02-24C10632ND
2012-02-29C11245ND
2012-03-03C11761ND
2012-03-07C12181ND
2012-03-14C13072ND
2012-03-21C13984ND
2012-03-28C14850ND
2012-04-04C15705ND
2012-04-04C15726ND
2012-04-11C16576ND
2012-04-18C175152.47 ppb
2012-04-25C183940.680 ppb
2012-05-01C191100.740 ppb
2012-05-02C19263ND
2012-05-09C201891.09 ppb
2012-05-16C211621.06 ppb
2012-05-23C220210.880 ppb
2012-05-30C229200.670 ppb
2012-06-02C232941.19 ppb
2012-06-02C233111.29 ppb
2012-06-03C234201.70 ppb
2012-06-04C235621.64 ppb
2012-06-05C236601.28 ppb
2012-06-06C238421.17 ppb
2012-06-07C240930.930 ppb
2012-06-08C242030.890 ppb
2012-06-09C243380.910 ppb
2012-06-10C24452ND
2012-06-11C245760.500 ppb
2012-06-13C248690.460 ppb
2012-06-20C258101.07 ppb
2012-06-27C26686ND
2012-07-04C27619ND
2012-07-06C27868ND
2012-07-11C28518ND
2012-07-18C29477ND
2012-07-25C30510ND
2012-08-01C31472ND
2012-08-08C32456ND
2012-08-15C33348ND
2012-08-18C34038ND
2012-08-22C34420ND
2012-08-29C35320ND
2012-09-05C36227ND
2012-09-09C36891ND
2012-09-12C37180ND
2012-09-19C38126ND
2012-09-26C39096ND
2012-10-03C39970ND
2012-10-06C40515ND
2012-10-10C42839ND
2012-10-17C42842ND
2012-10-24C42836ND
2012-10-31C43648ND
2012-11-04C44251ND
2012-11-07C44645ND
2012-11-14C45559ND
2012-11-21C46528ND
2012-11-28C47415ND
2012-12-05C48360ND
2012-12-09C48979ND
2012-12-12C49418ND
2012-12-19C50658ND
2013-01-18C54448ND
2013-02-17C58447ND
2013-03-24C62747ND
2013-04-21C662532.10 ppb
2013-05-20C699750.750 ppb
2013-06-23C744701.22 ppb
2013-07-16C77466ND
2013-08-10C80891ND
2013-09-08C84470ND
2013-10-06C88206ND
2013-11-15C93297ND
2013-12-08C96114ND
2014-04-06D11763ND
2014-05-04D15202ND
2014-06-01D189311.07 ppb
2014-07-01D228600.660 ppb
2014-08-01D26836ND
2014-09-05D31301ND
2014-10-13D36014ND
2014-11-04D38817ND
2014-12-03D42624ND
2015-01-05D46697ND
2015-02-09D51137ND
2015-03-11D55013ND
2015-04-29D61355ND
2015-05-28D650771.04 ppb
2015-06-15D67376ND
2015-07-08D70235ND
2015-08-26D76796ND
2015-09-23D80567ND
2015-10-26D84945ND
2015-11-16D87792ND
2015-12-08D90592ND
2016-01-14D95251ND
2016-02-29E00504ND
2016-03-09E02289ND
2016-04-13E06748ND
2016-05-11E104130.700 ppb
2016-06-15E15002ND
2016-07-15E19092ND
2016-08-14E23100ND
2016-09-25E28654ND
2016-10-19E31869ND
2016-11-14E35060ND
2016-12-07E37941ND
2017-04-10E53857ND
2017-05-21E593451.59 ppb
2017-06-21E633461.09 ppb
2017-07-15E66567ND
2017-08-28E72302ND
2017-09-26E76242ND