Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

East Cocalico Township

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.

 

42

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
2019N/A00N/A
2020ND220ND
2021N/A00N/A
2022N/A00N/A
2023ND200ND

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
2020-05-0122369348.00ND
2020-05-0122369500.00ND
2020-05-0122369471.00ND
2020-05-0122369435.00ND
2020-05-0122369406.00ND
2020-05-0122369377.00ND
2020-05-0122369319.00ND
2020-05-0122369290.00ND
2020-05-0122369261.00ND
2020-05-0122369232.00ND
2020-05-0122369203.00ND
2020-07-3122956400.00ND
2020-07-3122956348.00ND
2020-07-3122956197.00ND
2020-07-3122956313.00ND
2020-07-3122956371.00ND
2020-07-3122956284.00ND
2020-07-3122956168.00ND
2020-07-3122956255.00ND
2020-07-3122956139.00ND
2020-07-3122956232.00ND
2020-07-3122956430.00ND
2023-05-3029261722.00ND
2023-05-3029261719.00ND
2023-05-3029261720.00ND
2023-05-3029261718.00ND
2023-05-3029261721.00ND
2023-05-3029261717.00ND
2023-05-3029261716.00ND
2023-05-3029261715.00ND
2023-05-3029261723.00ND
2023-06-2829261797.00ND
2023-09-1329847476.00ND
2023-09-1329847471.00ND
2023-09-1329847477.00ND
2023-09-1329847475.00ND
2023-09-1329847470.00ND
2023-09-1329847478.00ND
2023-09-1329847474.00ND
2023-09-1329847479.00ND
2023-09-1329847473.00ND
2023-09-1329847472.00ND