2,4,5-TP (Silvex)
Las Cruces Municipal Water System
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.
78
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 46 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 23 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 7 | 0 | ND |
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
| Date | Lab ID | Result |
|---|---|---|
| 2014-03-04 | 1403361-005A | ND |
| 2014-03-04 | 1403356-005A | ND |
| 2014-03-04 | 1403357-005A | ND |
| 2014-03-04 | 1403359-005A | ND |
| 2014-03-04 | 1403362-005A | ND |
| 2014-03-04 | 1403299-005A | ND |
| 2014-03-04 | 1403363-005A | ND |
| 2014-03-04 | 1403301-005A | ND |
| 2014-03-04 | 1403360-005A | ND |
| 2014-06-11 | 1406643-001A | ND |
| 2014-06-11 | 1406647-005A | ND |
| 2014-06-11 | 1406641-005A | ND |
| 2014-06-11 | 1406648-005A | ND |
| 2014-06-11 | 1406640-005A | ND |
| 2014-06-11 | 1406663-005A | ND |
| 2014-06-11 | 1406659-005A | ND |
| 2014-07-14 | 1407767-005A | ND |
| 2014-07-14 | 1407768-005A | ND |
| 2014-07-14 | 1407773-005A | ND |
| 2014-07-14 | 1407771-005A | ND |
| 2014-07-14 | 1407770-005A | ND |
| 2014-07-14 | 1407772-005A | ND |
| 2014-07-14 | 1407775-005A | ND |
| 2014-08-27 | 1408F74-001A | ND |
| 2014-08-27 | 1408F80-001A | ND |
| 2014-08-27 | 1408F87-005A | ND |
| 2014-08-27 | 1408F69-001A | ND |
| 2014-08-27 | 1408F76-001A | ND |
| 2014-08-27 | 1408F66-001A | ND |
| 2014-08-27 | 1408F82-001A | ND |
| 2014-08-27 | 1408F70-001A | ND |
| 2014-08-27 | 1408F71-001A | ND |
| 2014-09-10 | 1409613-001A | ND |
| 2014-09-10 | 1409614-001A | ND |
| 2014-09-10 | 1409610-001A | ND |
| 2014-09-10 | 1409612-001A | ND |
| 2014-09-10 | 1409607-001A | ND |
| 2014-09-10 | 1409609-001A | ND |
| 2014-10-20 | 1410A34-001A | ND |
| 2014-10-20 | 1410A32-001A | ND |
| 2014-10-20 | 1410A35-001A | ND |
| 2014-10-20 | 1410A27-001A | ND |
| 2014-10-20 | 1410A29-001A | ND |
| 2014-10-20 | 1410A31-001A | ND |
| 2014-10-28 | 1410D83-001A | ND |
| 2014-10-28 | 1410D82-001A | ND |
| 2016-09-20 | 1609C97-001 | ND |
| 2016-10-18 | 1610A08-001 | ND |
| 2017-01-31 | 1702118-005 | ND |
| 2017-01-31 | 1702117-005 | ND |
| 2017-04-04 | 1704238-005 | ND |
| 2017-04-04 | 1704232-005 | ND |
| 2017-04-04 | 1704235-005 | ND |
| 2017-04-04 | 1704236-005 | ND |
| 2017-04-04 | 1704233-005 | ND |
| 2017-05-09 | 1705624-005 | ND |
| 2017-05-09 | 1705627-005 | ND |
| 2017-05-09 | 1705625-005 | ND |
| 2017-05-09 | 1705626-005 | ND |
| 2017-05-09 | 1705623-005 | ND |
| 2017-05-09 | 1705628-005 | ND |
| 2017-06-20 | 1706C22-005 | ND |
| 2017-06-20 | 1706C19-005 | ND |
| 2017-06-20 | 1706C20-005 | ND |
| 2017-06-20 | 1706C21-005 | ND |
| 2017-06-20 | 1706C17-005 | ND |
| 2017-07-11 | 1707747-005 | ND |
| 2017-10-11 | 1710842-004 | ND |
| 2017-10-17 | 1710A63-005 | ND |
| 2017-10-17 | 1710A59-001 | ND |
| 2017-10-17 | 1710A58-002 | ND |
| 2019-02-27 | 1902C33-005 | ND |
| 2019-02-27 | 1902C34-005 | ND |
| 2019-05-15 | 1905920-002 | ND |
| 2019-05-15 | 1905922-002 | ND |
| 2019-08-14 | 1908868-005 | ND |
| 2019-08-14 | 1908871-004 | ND |
| 2019-11-19 | 1911974-001 | ND |