Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Springville Water Works

NOTE: Springville Water Works purchases water from Coosa Valley Water Supply District which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Coosa Valley Water Supply District.

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND20ND
2021ND20ND
2022N/A00N/A
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

NOTE: Springville Water Works purchases water from Coosa Valley Water Supply District which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Coosa Valley Water Supply District.

Date Lab ID Result
2018-02-19180219027-1ND
2020-05-1820154935001_ISOCND
2020-11-1820180586001_ISOCND
2023-10-112310-00220-002ND