Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

2,4,5-TP (Silvex)

Chenango Consolidated WD #1

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND10ND
2017ND20ND
2018ND20ND
2019ND10ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-12-17S4L1650-01ND
2015-05-27S5E2355-01ND
2015-12-21J5L0979-01ND
2016-10-27J6J1542-01ND
2017-06-29J7F1947-01ND
2017-08-29J7H2511-01ND
2018-04-04J8D0374-01ND
2018-10-10J8I0220-01ND
2019-10-02J9H1766-01ND