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EWG's Tap Water Database — 2021 UPDATE

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Oxamyl (Vydate)

North Fort Bend Water Authority

NOTE: North Fort Bend Water Authority purchases water from City of Houston which is required to test for oxamyl (vydate). Sample information shown below was taken by City of Houston.

Oxamyl is a neurotoxic insecticide used on cotton, fruit and vegetable crops. It may harm fetal development.

MORE ABOUT THIS CONTAMINANT

 

93

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND330ND
2015ND10ND
2016ND100ND
2017ND380ND
2018ND10ND
2019ND100ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 26 ppb

The EWG Health Guideline of 26 ppb for oxamyl 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 the central nervous system.

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for oxamyl, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

NOTE: North Fort Bend Water Authority purchases water from City of Houston which is required to test for oxamyl (vydate). Sample information shown below was taken by City of Houston.

Date Lab ID Result
2014-03-14AC47181ND
2014-04-16AC50907ND
2014-04-16AC50914ND
2014-04-16AC50908ND
2014-04-16AC50906ND
2014-04-17AC51156ND
2014-04-17AC51160ND
2014-04-17AC51159ND
2014-04-17AC51161ND
2014-04-17AC51158ND
2014-04-17AC51167ND
2014-04-17AC51155ND
2014-04-17AC51157ND
2014-06-03AC55823ND
2014-07-16AC59863ND
2014-08-14AC63750ND
2014-08-14AC63747ND
2014-08-14AC63751ND
2014-08-14AC63753ND
2014-10-08AC69231ND
2014-10-08AC69234ND
2014-10-08AC69230ND
2014-10-09AC69385ND
2014-10-09AC69386ND
2014-10-09AC69383ND
2014-10-09AC69382ND
2014-10-09AC69381ND
2014-10-09AC69384ND
2014-12-09AC74245ND
2014-12-09AC74246ND
2014-12-09AC74247ND
2014-12-18AC75477ND
2014-12-18AC75476ND
2015-03-04AC83033ND
2016-02-18AD24495ND
2016-03-03AD26994ND
2016-03-16AD29205ND
2016-03-16AD29208ND
2016-03-17AD29426ND
2016-03-23AD30236ND
2016-09-20AD50446ND
2016-09-20AD50447ND
2016-09-21AD50876ND
2016-10-06AD52701ND
2017-01-26AD67294ND
2017-01-26AD67293ND
2017-01-26AD67300ND
2017-01-26AD67299ND
2017-02-28AD72594ND
2017-03-02AD73263ND
2017-03-28AD77257ND
2017-03-28AD77258ND
2017-03-28AD77256ND
2017-03-28AD77261ND
2017-03-28AD77255ND
2017-03-29AD77552ND
2017-03-29AD77550ND
2017-03-29AD77549ND
2017-03-29AD77551ND
2017-04-26AD81283ND
2017-04-27AD81586ND
2017-04-27AD81587ND
2017-07-06AD88543ND
2017-07-06AD88545ND
2017-07-26AD90923ND
2017-09-11AD95620ND
2017-09-11AD95624ND
2017-09-11AD95627ND
2017-09-11AD95623ND
2017-09-11AD95621ND
2017-09-11AD95625ND
2017-09-26AD98120ND
2017-09-26AD98119ND
2017-11-07AE03929ND
2017-11-07AE03927ND
2017-11-07AE03924ND
2017-11-07AE03925ND
2017-11-07AE03926ND
2017-11-07AE03928ND
2017-11-14AE04816ND
2017-12-04AE06631ND
2017-12-04AE06632ND
2018-01-18AE09326ND
2019-01-15AE50246ND
2019-01-15AE50245ND
2019-01-16AE50252ND
2019-03-06AE57445ND
2019-03-06AE57446ND
2019-04-10AE62144ND
2019-07-25AE76043ND
2019-07-25AE76044ND
2019-09-23AE84282ND
2019-09-23AE84281ND