Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Elizabethtown Area Water

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.

 

26

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
2019ND10ND
2020ND120ND
2021N/A00N/A
2022N/A00N/A
2023ND130ND

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
2019-06-109045802-01ND
2020-05-2622567392.00ND
2020-05-2622567512.00ND
2020-05-2622567482.00ND
2020-05-2622567452.00ND
2020-05-2622567422.00ND
2020-05-2622567542.00ND
2020-08-0322957747.00ND
2020-08-0322957657.00ND
2020-08-0322957627.00ND
2020-08-0322957777.00ND
2020-08-0322957717.00ND
2020-08-0322957687.00ND
2023-04-2429061767.00ND
2023-04-2429061765.00ND
2023-04-2429061766.00ND
2023-04-2429061770.00ND
2023-04-2429061771.00ND
2023-04-2429061769.00ND
2023-04-2429061768.00ND
2023-08-2829849240.00ND
2023-08-2829849239.00ND
2023-08-2829849241.00ND
2023-08-2829849238.00ND
2023-08-2829849237.00ND
2023-08-2829849236.00ND