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EWG's Tap Water Database — 2021 UPDATE

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Di(2-ethylhexyl) adipate

Cypress Springs SUD N Plant 1 and NE Plant

Di(2-ethylhexyl) adipate is used in PVC plastic, plastic wrap and other consumer products. It is released as a pollutant from industrial sources and sewage treatment plants. In studies of laboratory animals, di(2-ethylhexyl) adipate can harm fetal development.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND50ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 200 ppb

The EWG Health Guideline of 200 ppb for di(2-ethylhexyl) adipate 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 internal organs.

EPA Maximum Contaminant
Level (MCL) 400 ppb

The legal limit for di(2-ethylhexyl) adipate, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-18Q1422142008ND
2014-06-18Q1422142009ND
2015-06-24Q1523976003ND
2015-06-24Q1523976004ND
2016-03-28Q1612650004ND
2016-03-28Q1612650003ND
2016-06-22Q1625510005ND
2016-09-21Q1639244007ND
2016-12-07Q1653458003ND
2017-03-15Q1711217003ND
2017-03-15Q1711217004ND
2018-02-21Q1807254001ND
2018-02-21Q1807254007ND
2019-03-04Q1909014007ND
2019-03-04Q1909014001ND