Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Pine Meadow Mutual Water

NOTE: Pine Meadow Mutual Water purchases water from Mountain Regional Water Special Service District which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Mountain Regional Water Special Service 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.

 

70

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND70ND
2019ND10ND
2020ND150ND
2021N/A00N/A
2022ND10ND
2023ND180ND

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: Pine Meadow Mutual Water purchases water from Mountain Regional Water Special Service District which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Mountain Regional Water Special Service District.

Date Result
2018-03-20ND
2018-06-06ND
2018-06-06ND
2018-06-20ND
2018-08-23ND
2018-09-05ND
2018-10-23ND
2019-01-03ND
2019-01-03ND
2019-01-03ND
2019-01-24ND
2019-01-24ND
2019-02-25ND
2019-02-25ND
2019-02-25ND
2019-03-20ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-06-27ND
2019-11-07ND
2019-11-14ND
2020-02-27ND
2020-03-24ND
2020-07-14ND
2020-09-21ND
2020-12-04ND
2020-12-04ND
2020-12-04ND
2020-12-04ND
2020-12-04ND
2020-12-22ND
2020-12-22ND
2020-12-22ND
2020-12-22ND
2020-12-22ND
2020-12-22ND
2022-02-17ND
2022-05-04ND
2022-05-05ND
2022-08-04ND
2022-08-04ND
2022-08-04ND
2022-08-04ND
2022-09-07ND
2022-12-06ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-07-11ND
2023-11-06ND
2023-11-06ND
2023-11-06ND
2023-12-11ND
2023-12-11ND
2023-12-11ND
2023-12-11ND
2023-12-11ND
2023-12-11ND