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EWG's Tap Water Database — 2021 UPDATE

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o-toluidine

City of Houston

The synthetic chemical o-toluidine is used to manufacture pesticides, dyes and other industrial chemicals. The International Agency for Research on Cancer has classified o-toluidine as carcinogenic to humans, and it may also harm the nervous system, kidneys and bladder.

MORE ABOUT THIS CONTAMINANT

 

101

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
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
20190.00120 ppb10114ND - 0.0112 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2019-01-1619011610.01ND
2019-01-1619011610.03ND
2019-01-1619011610.05ND
2019-01-1619011610.06ND
2019-01-1619011610.09ND
2019-01-1619011610.07ND
2019-01-1619011610.04ND
2019-01-1619011610.10ND
2019-01-1719011610.08ND
2019-01-1719011610.02ND
2019-04-0819041009.05ND
2019-04-0819041009.07ND
2019-04-0819041009.10ND
2019-04-0819041009.19ND
2019-04-0819041009.33ND
2019-04-0819041009.30ND
2019-04-0819041009.26ND
2019-04-0819041009.09ND
2019-04-0819041009.06ND
2019-04-0819041009.42ND
2019-04-0819041009.41ND
2019-04-0819041009.40ND
2019-04-0819041009.43ND
2019-04-0819041009.32ND
2019-04-0919041009.11ND
2019-04-0919041009.23ND
2019-04-0919041009.21ND
2019-04-0919041009.20ND
2019-04-0919041009.31ND
2019-04-0919041009.28ND
2019-04-0919041009.25ND
2019-04-0919041009.24ND
2019-04-0919041009.18ND
2019-04-0919041009.17ND
2019-04-0919041009.16ND
2019-04-0919041009.15ND
2019-04-0919041009.14ND
2019-04-0919041009.13ND
2019-04-0919041009.08ND
2019-04-0919041009.35ND
2019-04-0919041009.36ND
2019-04-0919041009.39ND
2019-04-0919041009.38ND
2019-04-0919041009.37ND
2019-04-0919041009.44ND
2019-04-0919041009.45ND
2019-04-0919041009.46ND
2019-04-0919041009.47ND
2019-04-1019041009.29ND
2019-04-1019041009.12ND
2019-07-1719071712.01ND
2019-07-1719071712.03ND
2019-07-1719071712.05ND
2019-07-1719071712.06ND
2019-07-1719071712.09ND
2019-07-1719071712.08ND
2019-07-1719071712.07ND
2019-07-1719071712.04ND
2019-07-1719071712.02ND
2019-07-1719071712.10ND
2019-10-0219100208.05ND
2019-10-0219100208.07ND
2019-10-0219100208.11ND
2019-10-0219100208.10ND
2019-10-0219100208.23ND
2019-10-0219100208.21ND
2019-10-0219100208.20ND
2019-10-0219100208.19ND
2019-10-0219100208.33ND
2019-10-0219100208.31ND
2019-10-0219100208.300.00770 ppb
2019-10-0219100208.28ND
2019-10-0219100208.26ND
2019-10-0219100208.25ND
2019-10-0219100208.24ND
2019-10-0219100208.18ND
2019-10-0219100208.17ND
2019-10-0219100208.160.00730 ppb
2019-10-0219100208.140.00770 ppb
2019-10-0219100208.130.00990 ppb
2019-10-0219100208.12ND
2019-10-0219100208.080.00900 ppb
2019-10-0219100208.090.0112 ppb
2019-10-0319100208.290.00820 ppb
2019-10-1619100208.27ND
2019-10-1619100208.150.00970 ppb
2019-10-1619100208.060.00950 ppb
2019-10-1619100208.35ND
2019-10-1619100208.36ND
2019-10-1619100208.41ND
2019-10-1619100208.40ND
2019-10-1619100208.39ND
2019-10-1619100208.38ND
2019-10-1619100208.37ND
2019-10-1619100208.43ND
2019-10-1619100208.320.00730 ppb
2019-10-1619100208.440.00760 ppb
2019-10-1619100208.45ND
2019-10-1619100208.460.00750 ppb
2019-10-1619100208.470.00930 ppb
2019-10-1719100208.420.00900 ppb