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EWG's Tap Water Database — 2021 UPDATE

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Dieldrin

Manchester Water Department

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.

MORE ABOUT THIS CONTAMINANT

 

61

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0158 ppb125ND - 0.0900 ppb
20150.0731 ppb126ND - 0.380 ppb
20160.160 ppb550.0300 ppb - 0.300 ppb
20170.0266 ppb54ND - 0.0430 ppb
20180.0184 ppb127ND - 0.0420 ppb
20190.0197 ppb158ND - 0.0480 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-28AA64042-DIELDRIN0.0200 ppb
2014-01-28AA64040-DIELDRINND
2014-04-16AA64910-DIELDRIN0.0900 ppb
2014-05-05AA65105-SOC2ND
2014-05-05AA65112-SOC2ND
2014-05-05AA65113-SOC2ND
2014-05-06AA65126-SOC2ND
2014-05-06AA65127-SOC2ND
2014-05-07AA65143-SOC20.0390 ppb
2014-05-07AA65144-SOC2ND
2014-07-15AA65990-DIELDRIN0.0200 ppb
2014-10-15AA67166-DIELDRIN0.0200 ppb
2015-01-13AA68248-DIELDRIN0.140 ppb
2015-01-14AA68262-DIELDRIN0.260 ppb
2015-04-14AA69266-DIELDRIN0.0200 ppb
2015-04-27AA69420-SOC2ND
2015-04-27AA69419-SOC2ND
2015-04-28AA69437-SOC20.0440 ppb
2015-04-28AA69438-SOC2ND
2015-04-29AA69445-SOC2ND
2015-04-29AA69452-SOC20.0330 ppb
2015-04-29AA69453-SOC2ND
2015-07-13AA70364-DIELDRINND
2015-10-06AA71496-DIELDRIN0.380 ppb
2016-01-05AA72733-DIELDRIN0.230 ppb
2016-01-06AA72757-DIELDRIN0.200 ppb
2016-04-28AA74150-DIELDRIN0.0400 ppb
2016-07-05AA75015-DIELDRIN0.0300 ppb
2016-10-18AA76517-DIELDRIN0.300 ppb
2017-01-10AA77684-DIELDRIN0.0300 ppb
2017-01-11AA77706-DIELDRIN0.0300 ppb
2017-04-03AA78765-DIELDRINND
2017-07-11AA80102-DIELDRIN0.0300 ppb
2017-10-11AA81265-DIELDRIN0.0430 ppb
2018-01-09AA82347-DIELDRIN0.0300 ppb
2018-01-09AA82350-DIELDRIN0.0300 ppb
2018-04-10AA83456-DIELDRIN0.0300 ppb
2018-06-13AA84269-SOC20.0290 ppb
2018-06-13AA84270-SOC2ND
2018-06-26AA84433-SOC2ND
2018-06-27AA84458-SOC2ND
2018-06-27AA84459-SOC2ND
2018-06-29AA84479-SOC20.0420 ppb
2018-06-29AA84480-SOC2ND
2018-07-18AA84742-DIELDRIN0.0300 ppb
2018-10-17AA85906-DIELDRIN0.0300 ppb
2019-01-15AA86956-DIELDRIN0.0430 ppb
2019-01-16AA86974-DIELDRIN0.0380 ppb
2019-04-25AA88156-DIELDRIN0.0480 ppb
2019-07-08AA89074-DIELDRIN0.0280 ppb
2019-09-16AA90007-SOC2ND
2019-09-16AA89985-SOC2ND
2019-09-16AA89986-SOC2ND
2019-09-16AA89986-SOC2ND
2019-09-16AA90001-SOC20.0380 ppb
2019-09-16AA90001-SOC20.0380 ppb
2019-09-16AA89989-SOC20.0310 ppb
2019-09-17AA90002-SOC2ND
2019-09-17AA89998-SOC2ND
2019-09-17AA89998-SOC2ND
2019-10-16AA90371-DIELDRIN0.0310 ppb