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EWG's Tap Water Database — 2021 UPDATE

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DCPA mono- and di-acid degradates

WA of Great Neck North

DCPA degradates are residues of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
20165.50 ppb1512ND - 11.0 ppb
2017ND50ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2016-02-171602C61-0014.30 ppb
2016-02-171602C61-0039.10 ppb
2016-02-171602C61-0058.90 ppb
2016-02-171602C61-0028.80 ppb
2016-02-171602C61-0046.50 ppb
2016-04-061604582-008-POCS3.70 ppb
2016-04-061604582-005-POCSND
2016-04-061604582-007-POCS5.60 ppb
2016-04-061604582-009-POCS8.60 ppb
2016-04-061604582-006-POCS9.70 ppb
2016-07-131607997-008-POCS11.0 ppb
2016-07-131607997-007-POCS4.60 ppb
2016-07-131607997-004-POCSND
2016-07-131607997-006-POCS1.70 ppb
2016-07-131607997-005-POCSND
2017-08-017025952002-SOCSND
2017-08-027025952001-SOCSND
2017-08-167027412001-SOCSND
2017-08-177027471002-SOCSND
2017-08-177027471001-SOCSND