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EWG's Tap Water Database — 2021 UPDATE

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o-Dichlorobenzene

Lee County Utilities

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND50ND
2015ND10ND
20160.1000 ppb110.1000 ppb
2017ND50ND
2018ND40ND
20190.0800 ppb21ND - 0.160 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 600 ppb

The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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) 600 ppb

The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.

ppb = parts per billion

All test results

Date Result
2014-02-05ND
2014-03-03ND
2014-04-16ND
2014-04-16ND
2014-10-08ND
2015-10-12ND
2016-10-030.1000 ppb
2017-02-01ND
2017-03-02ND
2017-04-03ND
2017-04-03ND
2017-10-05ND
2018-06-11ND
2018-07-09ND
2018-10-01ND
2018-10-16ND
2019-01-070.160 ppb
2019-10-07ND