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EWG's Tap Water Database — 2021 UPDATE

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Dieldrin

City of Rialto

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND20ND
2016N/A00N/A
2017ND10ND
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2014-06-254790-001-1140ND
2014-06-254790-045-1330ND
2014-06-254790-046-1045ND
2014-06-264790-001-1045ND
2014-06-264790-001-1200ND
2014-06-264790-001-1445ND
2014-06-264790-001-1530ND
2014-06-264790-004-1200ND
2014-06-264790-017-1530ND
2014-06-264790-018-1045ND
2014-06-264790-019-1445ND
2015-02-175806-045-1050ND
2015-02-185806-046-0830ND
2017-09-294790-001-1200ND