Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Jefferson Parish

2(2,4,5-trichlorophenoxy) propionic acid (2,4,5-TP or Silvex) is a cancer-causing herbicide banned in the U.S. in 1985 because of its toxicity. It is still detected as a groundwater contaminant in areas where it was sprayed or stored.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND120ND
2019ND120ND
2020ND60ND
2021ND60ND
2022ND60ND
2023ND60ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 3 ppb

The EWG Health Guideline of 3 ppb for 2,4,5-TP 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): 50 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-1535380393003ND
2018-03-1535380393001ND
2018-03-1535380393002ND
2018-03-1535380393003ND
2018-03-1535380393002ND
2018-03-1535380393001ND
2018-08-1535411635002ND
2018-08-1535411635001ND
2018-08-1535411635003ND
2018-08-1535411635003ND
2018-08-1535411635002ND
2018-08-1535411635001ND
2019-02-2735451094001ND
2019-02-2735451093001ND
2019-02-2735451088001ND
2019-02-2735451088001ND
2019-02-2735451093001ND
2019-02-2735451094001ND
2019-08-0135486654001ND
2019-08-0135486656001ND
2019-08-0135486659001ND
2019-08-0135486656001ND
2019-08-0135486654001ND
2019-08-0135486659001ND
2020-03-2635540021001ND
2020-03-2635540015001ND
2020-03-2635540013001ND
2020-10-0835583706001ND
2020-10-0835583707001ND
2020-10-0835583709001ND
2021-01-2835608080001ND
2021-01-2835608082001ND
2021-01-2835608086001ND
2021-10-1435671095001ND
2021-10-1435671096001ND
2021-10-1435671098001ND
2022-01-2535692991001ND
2022-01-2535692990001ND
2022-01-2535692989001ND
2022-07-2735735696001ND
2022-07-2735735695001ND
2022-07-2735735694001ND
2023-01-1135772258001ND
2023-01-1135772259001ND
2023-01-1135772260001ND
2023-11-1635842431001ND
2023-11-1635842438001ND
2023-11-1635842442001ND