Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Harbour Point S/d

NOTE: Harbour Point S/d purchases water from Town of Mooresville which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Town of Mooresville.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND30ND
2020ND80ND
2021ND70ND
2022ND80ND
2023ND120ND

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: Harbour Point S/d purchases water from Town of Mooresville which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Town of Mooresville.

Date Lab ID Result
2020-04-0880719-03ND
2020-04-0880720-03ND
2020-07-0884398-04ND
2020-07-0884399-06ND
2023-04-12752-5748-1ND
2023-04-12752-5748-2ND
2023-07-19752-9579-1ND
2023-07-19752-9579-2ND