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EWG's Tap Water Database — 2021 UPDATE

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2,4,5-TP (Silvex)

Elsinore Valley Municipal Water 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.

MORE ABOUT THIS CONTAMINANT

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015ND10ND
2016ND180ND
2017ND20ND
2018ND20ND
2019ND310ND

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
2015-05-074790-038-1350ND
2016-02-034790-050-1130ND
2016-02-034790-049-1315ND
2016-05-264790-052-1030ND
2016-08-114790-010-1110ND
2016-08-114790-037-1220ND
2016-08-174790-022-1320ND
2016-08-174790-031-1150ND
2016-08-174790-012-1240ND
2016-08-254790-004-1505ND
2016-08-254790-007-1040ND
2016-08-254790-053-0910ND
2016-11-094790-031-1100ND
2016-11-094790-010-1000ND
2016-11-094790-012-1135ND
2016-11-174790-022-1412ND
2016-11-174790-038-1500ND
2016-11-184790-053-0830ND
2016-11-234790-037-1300ND
2017-04-129590-052-1345ND
2017-04-289590-002-1310ND
2018-07-264790-049-1328ND
2018-07-264790-050-1348ND
2019-01-094790-012-1350ND
2019-01-244790-053-0900ND
2019-03-274790-038-1008ND
2019-06-074790-052-1045ND
2019-06-114790-053-1110ND
2019-06-134790-012-0938ND
2019-06-184790-037-1128ND
2019-06-204790-031-1112ND
2019-06-254790-022-1148ND
2019-06-254790-049-1200ND
2019-06-254790-021-1245ND
2019-06-254790-050-1230ND
2019-08-194790-002-1345ND
2019-08-204790-049-1055ND
2019-09-044790-012-1520ND
2019-09-054790-007-1110ND
2019-09-104790-053-1022ND
2019-09-114790-022-1355ND
2019-09-124790-038-1250ND
2019-09-124790-021-1200ND
2019-09-184790-037-1311ND
2019-09-184790-031-1430ND
2019-10-104790-002-0930ND
2019-11-064790-007-0926ND
2019-11-124790-004-1255ND
2019-12-124790-007-1034ND
2019-12-174790-010-1306ND
2019-12-174790-004-0900ND
2019-12-184790-010-1306ND
2019-12-184790-050-1145ND
2019-12-184790-049-1120ND