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EWG's Tap Water Database — 2019 UPDATE

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Di(2-ethylhexyl) phthalate

Prescott Valley WD Upper

Di(2-ethylhexyl) phthalate, or DEHP, is a softener added to PVC plastics. Phthalates are hormone disruptors that target the male reproductive system. Read More.

DEHP can cross the placenta and disrupt steroid hormone synthesis, and may lead to cancer. In laboratory animals, exposure to DEHP during pregnancy harms fetal developmental and causes abnormalities in the male reproductive tract. Human epidemiological studies show certain phthalates, especially DEHP, are associated with reduced anogenital distance in human male infants, which is a measure of adverse developmental effects in human male infants exposed prenatally to endocrine disrupting chemicals. DEHP may also interfere with signaling related to the timing of birth and may have adverse effects on the immune system.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND140ND
2014N/A00N/A
2015N/A00N/A
2016ND200ND
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 3 ppb

The EWG Health Guideline of 3 ppb for di(2-ethylhexyl) phthalate was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

EPA Maximum Contaminant
Level (MCL) 6 ppb

The legal limit for di(2-ethylhexyl) phthalate, established in 1992, was based on analytical detection limits at the time that the standard was set.

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-15201203160214SND
2012-07-25201207260390SND
2013-02-14201302150336SAND
2013-02-14201302150336SBND
2013-02-14201302150336SCND
2013-02-14201302150336SDND
2013-02-14201302150336SEND
2013-02-14201302190142SAND
2013-02-14201302190142SBND
2013-07-25201307250265SCND
2013-07-25201307250265SBND
2013-07-25201307250265SAND
2013-07-25201307250263SDND
2013-07-25201307250263SCND
2013-07-25201307250263SBND
2013-07-25201307250263SAND
2016-02-09201602100059SBND
2016-02-09201602100059SCND
2016-02-09201602100059SAND
2016-02-10201602110043SCND
2016-02-10201602110043SBND
2016-02-10201602110043SAND
2016-02-10201602110037SDND
2016-02-10201602110037SCND
2016-02-10201602110037SBND
2016-02-10201602110037SAND
2016-08-03201608040057SEND
2016-08-03201608040057SAND
2016-08-03201608040057SBND
2016-08-03201608040057SCND
2016-08-03201608040057SDND
2016-08-04201608050126SAND
2016-08-04201608050126SEND
2016-08-04201608050126SDND
2016-08-04201608050126SCND
2016-08-04201608050126SBND