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EWG's Tap Water Database — 2019 UPDATE

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o-Dichlorobenzene

Philadelphia Water Department

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.

 

78

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND120ND
2014ND150ND
2015ND120ND
2016ND120ND
2017ND150ND

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 Lab ID Result
2012-02-08DW120208-001ND
2012-02-08DW120208-003ND
2012-02-08DW120208-000ND
2012-05-09DW120509-003ND
2012-05-09DW120509-000ND
2012-05-09DW120509-001ND
2012-08-15DW120815-003ND
2012-08-15DW120815-001ND
2012-08-15DW120815-000ND
2012-11-14DW121114-001ND
2012-11-14DW121114-003ND
2012-11-14DW121114-000ND
2013-02-13DW130213-000ND
2013-02-13DW130213-003ND
2013-02-13DW130213-001ND
2013-05-08DW130508-001ND
2013-05-08DW130508-003ND
2013-05-08DW130508-000ND
2013-08-14DW130814-003ND
2013-08-14DW130814-001ND
2013-08-14DW130814-000ND
2013-12-117311719ND
2013-12-117311718ND
2013-12-117311717ND
2014-02-12DW140212-000ND
2014-02-12DW140212-001ND
2014-02-12DW140212-003ND
2014-05-147468948ND
2014-05-147463348ND
2014-05-147463349ND
2014-05-147468949ND
2014-05-147463350ND
2014-05-147468950ND
2014-08-137570046ND
2014-08-137570048ND
2014-08-137570047ND
2014-11-19DW141119-019ND
2014-11-19DW141119-038ND
2014-11-19DW141119-002ND
2015-02-1112406492ND
2015-02-1112406532ND
2015-02-1112406512ND
2015-05-1312754264ND
2015-05-1312754284ND
2015-05-1312754304ND
2015-08-1213140271ND
2015-08-1213140291ND
2015-08-1213140311ND
2015-11-1813518592ND
2015-11-1813518612ND
2015-11-1813518632ND
2016-02-1013874726ND
2016-02-1013874706ND
2016-02-1013874686ND
2016-05-1114257227ND
2016-05-1114257187ND
2016-05-1114257207ND
2016-08-1014741968ND
2016-08-1014742008ND
2016-08-1014741988ND
2016-11-0915231704ND
2016-11-0915231744ND
2016-11-0915231724ND
2017-02-0815661981ND
2017-02-0815662021ND
2017-02-0815662001ND
2017-05-1016100824ND
2017-05-1016101784ND
2017-05-1016101804ND
2017-05-1016100844ND
2017-05-1016101764ND
2017-05-1016100804ND
2017-08-0916572477ND
2017-08-0916572517ND
2017-08-0916572497ND
2017-11-0817029211ND
2017-11-0817029191ND
2017-11-0817029171ND