Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Telford Borough Authority

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
2018N/A00N/A
2019N/A00N/A
2020ND190ND
2021ND10ND
2022N/A00N/A
2023ND100ND

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
2020-03-0321850268.00ND
2020-03-0321850209.00ND
2020-03-0321850239.00ND
2020-03-0321850179.00ND
2020-06-0122419244.00ND
2020-06-0122419364.00ND
2020-06-0122419280.00ND
2020-06-0122419334.00ND
2020-06-0122419304.00ND
2020-08-2423002185.00ND
2020-08-2423002304.00ND
2020-08-2423002215.00ND
2020-08-2423002245.00ND
2020-09-1423002275.00ND
2020-10-1223185480.00ND
2020-10-1223185420.00ND
2020-10-1223185450.00ND
2020-10-1223185390.00ND
2020-12-0123540110.00ND
2021-01-1323715300.00ND
2023-05-0328902894.00ND
2023-05-0328902893.00ND
2023-05-0328902895.00ND
2023-05-0328902892.00ND
2023-05-0328902891.00ND
2023-08-0229500108.00ND
2023-08-0229500106.00ND
2023-08-0229500110.00ND
2023-08-0229500107.00ND
2023-08-0229500109.00ND