2,4,5-TP (Silvex)
Beverly Hills Water Department
NOTE: Beverly Hills Water Department purchases water from Metropolitan Water District of So. Cal. which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Metropolitan Water District of So. Cal..
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 10 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | ND | 10 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
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: Beverly Hills Water Department purchases water from Metropolitan Water District of So. Cal. which is required to test for 2,4,5-tp (silvex). Sample information shown below was taken by Metropolitan Water District of So. Cal..
Date | Lab ID | Result |
---|---|---|
2015-04-08 | 9588-005-0830 | ND |
2015-04-08 | 9588-013-1020 | ND |
2015-04-08 | 9588-003-1000 | ND |
2015-04-08 | 9588-026-1047 | ND |
2015-04-08 | 9588-020-1100 | ND |
2015-11-03 | 9588-003-1030 | ND |
2015-11-03 | 9588-005-0925 | ND |
2015-11-03 | 9588-026-0837 | ND |
2015-11-03 | 9588-013-1015 | ND |
2015-11-05 | 9588-020-1020 | ND |
2018-04-02 | 9588-003-1344 | ND |
2018-04-02 | 9588-005-1229 | ND |
2018-04-02 | 9588-020-1124 | ND |
2018-04-03 | 9588-026-1528 | ND |
2018-04-09 | 9588-013-0805 | ND |
2018-10-01 | 9588-020-1015 | ND |
2018-10-01 | 9588-003-1140 | ND |
2018-10-02 | 9588-013-1010 | ND |
2018-10-02 | 9588-005-1115 | ND |
2018-10-02 | 9588-026-0950 | ND |