Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Paw Glen Alsace Div

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.

 

52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND40ND
2020ND240ND
2021N/A00N/A
2022N/A00N/A
2023ND240ND

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
2019-07-2245717501ND
2019-07-2245717601ND
2019-07-2245717401ND
2019-07-2946133302ND
2020-05-0422262943.00ND
2020-05-0422262914.00ND
2020-05-0622263082.00ND
2020-05-1122263001.00ND
2020-05-1122262972.00ND
2020-05-1122262827.00ND
2020-05-1322263053.00ND
2020-05-1322262885.00ND
2020-05-1322262856.00ND
2020-05-1822263395.00ND
2020-05-1922263453.00ND
2020-05-1922263424.00ND
2020-08-0422845365.00ND
2020-08-0422845394.00ND
2020-08-0622845336.00ND
2020-08-0622845515.00ND
2020-08-1122845486.00ND
2020-08-1122845428.00ND
2020-08-1122845457.00ND
2020-08-1222845307.00ND
2020-08-1222845923.00ND
2020-08-1222845894.00ND
2020-08-1322845981.00ND
2020-08-1822845952.00ND
2023-05-0428950142.00ND
2023-05-0428950171.00ND
2023-05-0428950113.00ND
2023-05-0428950084.00ND
2023-05-0428950055.00ND
2023-05-1128950232.00ND
2023-05-1128949997.00ND
2023-05-1128950203.00ND
2023-05-1128950290.00ND
2023-05-1128950261.00ND
2023-05-1128950026.00ND
2023-05-1128949968.00ND
2023-08-0329546864.00ND
2023-08-0329546811.00ND
2023-08-0329546888.00ND
2023-08-0329546898.00ND
2023-08-0329546782.00ND
2023-08-0929546753.00ND
2023-08-0929547002.00ND
2023-08-0929546724.00ND
2023-08-0929546695.00ND
2023-08-1029546959.00ND
2023-08-1029546930.00ND
2023-08-1029546666.00ND