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EWG's Tap Water Database — 2019 UPDATE

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DCPA mono- and di-acid degradates

California Water Service (CWS) - Salinas

DCPA degradates are residues of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.

 

131

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND180ND
20130.614 ppb6614ND - 15.0 ppb
20140.421 ppb141ND - 5.90 ppb
2015ND70ND
20160.738 ppb219ND - 11.0 ppb
2017ND50ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-019590-103-1120ND
2012-02-019590-106-1002ND
2012-02-019590-123-1328ND
2012-02-029590-102-1145ND
2012-03-089590-046-1105ND
2012-05-039590-106-1155ND
2012-05-109590-103-1102ND
2012-05-179590-104-1350ND
2012-05-229590-102-1122ND
2012-05-229590-123-1206ND
2012-08-169590-102-0945ND
2012-08-169590-103-1418ND
2012-08-239590-123-1147ND
2012-08-309590-106-1316ND
2012-11-149590-102-1122ND
2012-11-149590-103-0949ND
2012-11-159590-106-1308ND
2012-11-199590-123-1025ND
2013-01-109590-005-1102ND
2013-01-109590-008-1014ND
2013-01-109590-009-1431ND
2013-01-309590-010-1132ND
2013-02-209590-103-1408ND
2013-02-209590-104-09550.230 ppb
2013-02-219590-020-1025ND
2013-02-219590-046-1147ND
2013-02-219590-102-1011ND
2013-02-269590-018-1049ND
2013-02-269590-019-1439ND
2013-02-279590-106-1257ND
2013-02-279590-123-1148ND
2013-02-289590-015-11320.300 ppb
2013-03-059590-014-1148ND
2013-03-059590-022-14371.10 ppb
2013-03-059590-024-15090.720 ppb
2013-03-059590-026-13350.500 ppb
2013-03-079590-017-1018ND
2013-03-079590-023-1340ND
2013-03-079590-027-1040ND
2013-03-279590-006-1408ND
2013-04-049590-028-1338ND
2013-04-049590-030-1001ND
2013-04-049590-037-10210.680 ppb
2013-04-119590-043-1432ND
2013-04-129590-041-1201ND
2013-04-309590-029-142912.0 ppb
2013-05-029590-106-1024ND
2013-05-099590-102-1258ND
2013-05-149590-103-1309ND
2013-05-149590-123-1604ND
2013-07-089590-005-1359ND
2013-07-109590-008-1400ND
2013-07-109590-009-1102ND
2013-07-179590-006-1351ND
2013-07-179590-010-1138ND
2013-08-079590-106-1222ND
2013-08-079590-123-1028ND
2013-08-089590-019-12041.20 ppb
2013-08-089590-102-1308ND
2013-08-089590-103-1021ND
2013-08-169590-020-1401ND
2013-08-209590-104-1054ND
2013-08-229590-014-1028ND
2013-08-229590-017-1312ND
2013-08-229590-046-1023ND
2013-08-279590-015-1243ND
2013-08-279590-018-1310ND
2013-09-119590-026-1505ND
2013-09-139590-022-13201.20 ppb
2013-09-189590-024-14560.800 ppb
2013-09-189590-027-1014ND
2013-09-209590-023-1601ND
2013-10-119590-030-1305ND
2013-10-179590-029-114815.0 ppb
2013-10-229590-028-1125ND
2013-10-229590-043-1425ND
2013-10-239590-037-11250.810 ppb
2013-10-239590-041-11150.210 ppb
2013-10-299590-039-14075.80 ppb
2013-11-069590-106-1545ND
2013-11-079590-102-1311ND
2013-11-079590-103-1339ND
2013-11-149590-123-1339ND
2013-12-189590-131-1118ND
2014-02-119590-039-10505.90 ppb
2014-02-129590-102-1323ND
2014-02-129590-103-1348ND
2014-02-129590-123-0938ND
2014-02-199590-106-1145ND
2014-05-079590-102-1429ND
2014-05-079590-103-1445ND
2014-05-139590-123-1035ND
2014-08-049590-102-0912ND
2014-08-049590-103-1409ND
2014-08-049590-123-0941ND
2014-11-129590-102-1032ND
2014-11-129590-103-0947ND
2014-11-129590-123-1410ND
2015-02-079590-102-1107ND
2015-02-079590-103-1043ND
2015-02-079590-123-1141ND
2015-04-219590-008-1355ND
2015-05-149590-102-1557ND
2015-05-149590-103-1503ND
2015-05-149590-123-1438ND
2016-01-079590-009-1050ND
2016-01-079590-020-1011ND
2016-01-209590-018-1245ND
2016-02-049590-027-0947ND
2016-02-099590-104-12130.210 ppb
2016-02-109590-006-1209ND
2016-02-229590-024-15200.460 ppb
2016-03-019590-037-12470.730 ppb
2016-03-039590-015-14270.1000 ppb
2016-04-059590-022-13451.40 ppb
2016-04-279590-041-10400.200 ppb
2016-05-039590-026-12591.000 ppb
2016-05-049590-017-1425ND
2016-06-289590-023-1353ND
2016-08-029590-019-11030.400 ppb
2016-09-149590-106-0908ND
2016-09-209590-046-1109ND
2016-10-059590-029-100411.0 ppb
2016-10-059590-030-0905ND
2016-12-079590-043-1444ND
2016-12-299590-008-1413ND
2017-01-199590-014-1048ND
2017-03-029590-132-1100ND
2017-04-059590-005-1428ND
2017-11-219590-131-1240ND
2017-12-149590-132-1456ND