Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Aquarion Water Company of Connecticut - Mystic

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND50ND
2020ND10ND
2021ND10ND
2022ND50ND
2023ND10ND

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
2018-06-04201807451-SOCRND
2019-06-03201907868-SOCRND
2019-09-16201914727-SOCND
2019-09-16201914728-SOCND
2019-10-14201916705-SOCND
2019-10-14201916706-SOCND
2020-06-01202007939-SOCRND
2021-06-01202107709-SOCRND
2022-06-06202208972-SOCRND
2022-08-29202215059-SOCND
2022-09-22202216920-SOCND
2022-10-03202217583-SOCND
2022-10-03202217585-SOCND
2023-06-05202309143-SOCRND