Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

New Britain Water Department

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND60ND
2021ND50ND
2022ND60ND
2023ND50ND

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
2018-04-16SOCR 200492175ND
2018-04-16SOCR 200492173ND
2018-04-16SOCR 200492174ND
2018-04-16SOCR 200492172ND
2019-04-25SOCR 200529602ND
2019-04-25SOCR 200529605ND
2019-04-25SOCR 200529603ND
2019-04-25SOCR 200529604ND
2020-04-22SOCR 200573261ND
2020-04-22SOCR 200573264ND
2020-04-22SOCR 200573262ND
2020-04-22SOCR 200573263ND
2020-05-12SOC 200575348ND
2020-09-16SOC 200590476ND
2021-04-20SOCR 200613887ND
2021-04-20SOCR 200613886ND
2021-04-20SOCR 200613885ND
2021-04-20SOCR 200613884ND
2021-09-28300069325 300069326ND
2022-04-20H300172353 300172354ND
2022-04-20H300172362 300172363ND
2022-04-20H300172356 300172357ND
2022-04-20H300172359 300172360ND
2022-05-24S300188084 300188129ND
2022-09-19S300245682 300245683ND
2023-04-17H300334377 300334378ND
2023-04-17H300334386 300334387ND
2023-04-17H300334380 300334381ND
2023-04-17H300334383 300334384ND
2023-05-22S300354391 300354392ND