Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Dieldrin

Holden Water Division, DPW

Dieldrin is a highly toxic insecticide that was banned in the 1970s due to its persistence in the environment and toxicity to people and wildlife.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND100ND
2014N/A00N/A
2015N/A00N/A
2016ND100ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Result
2013-05-16ND
2013-05-16ND
2013-05-16ND
2013-05-16ND
2013-05-16ND
2013-11-18ND
2013-11-18ND
2013-11-18ND
2013-11-18ND
2013-11-18ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-05-17ND
2016-11-15ND
2016-11-15ND
2016-11-15ND
2016-11-15ND
2016-11-15ND