Know Your Environment. Protect Your Health.

2,4,5-TP (Silvex)

Trophy Club Municipal Utility District 1

NOTE: Trophy Club Municipal Utility District 1 purchases water from City of Fort Worth which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by City of Fort Worth.

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND70ND
2020ND10ND
2021ND10ND
2022ND40ND
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: Trophy Club Municipal Utility District 1 purchases water from City of Fort Worth which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by City of Fort Worth.

Date Lab ID Result
2018-01-24Q1802705015ND
2019-01-23Q1903345006ND
2019-04-24Q1916570002ND
2019-05-22Q1927658007ND
2019-05-22Q1927658014ND
2019-06-17Q1936867006ND
2019-07-24Q1947967026ND
2019-10-23Q1973436021ND
2020-01-22Q2002459005ND
2020-01-22Q2002459031ND
2021-01-20Q2101402004ND
2022-01-19Q2201985012ND
2022-05-19Q2214821010ND
2022-05-19Q2214821011ND
2022-07-20Q2220779011ND
2023-01-04Q2300420008ND
2023-03-21Q2310673015ND