Dalapon
San Jose Water Company
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 28 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 11 | 0 | ND |
2017 | ND | 45 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 5 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 200 ppb
The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-29 | 1610-181-1037 | ND |
2014-01-29 | 1610-182-1015 | ND |
2014-02-19 | 1610-068-0900 | ND |
2014-03-05 | 1610-180-0915 | ND |
2014-03-06 | 1610-183-0934 | ND |
2014-03-17 | 1610-141-1031 | ND |
2014-04-08 | 1610-086-1045 | ND |
2014-04-08 | 1610-094-0930 | ND |
2014-04-09 | 1610-185-0830 | ND |
2014-05-07 | 1610-075-1014 | ND |
2014-05-09 | 1610-025-0845 | ND |
2014-06-03 | 1610-004-0945 | ND |
2014-06-03 | 1610-072-0830 | ND |
2014-06-05 | 1610-171-1040 | ND |
2014-06-06 | 1610-005-1115 | ND |
2014-06-09 | 1610-126-0945 | ND |
2014-06-09 | 1610-131-1010 | ND |
2014-06-11 | 1610-107-0910 | ND |
2014-06-16 | 1610-186-0845 | ND |
2014-07-09 | 1610-182-0950 | ND |
2014-07-10 | 1610-185-0820 | ND |
2014-07-14 | 1610-184-0910 | ND |
2014-08-05 | 1610-184-0930 | ND |
2014-08-14 | 1610-178-0930 | ND |
2014-09-11 | 1610-111-0936 | ND |
2014-09-25 | 1610-187-0900 | ND |
2014-10-02 | 1610-030-1050 | ND |
2014-10-02 | 1610-184-0855 | ND |
2015-01-14 | 1610-186-1355 | ND |
2015-02-05 | 1610-118-1055 | ND |
2015-02-23 | 1610-185-0840 | ND |
2015-02-24 | 1610-178-0920 | ND |
2015-03-05 | 1610-156-0922 | ND |
2015-04-06 | 1610-101-0820 | ND |
2015-04-09 | 1610-186-1015 | ND |
2015-10-15 | 1610-005-0940 | ND |
2016-02-22 | 1610-068-0955 | ND |
2016-03-30 | 1610-075-1407 | ND |
2016-05-04 | 1233-198-1200 | ND |
2016-05-20 | 1610-075-0900 | ND |
2016-05-26 | 1610-168-0850 | ND |
2016-06-15 | 1233-199-1300 | ND |
2016-07-26 | 1233-198-1230 | ND |
2016-08-25 | 1233-194-1200 | ND |
2016-10-03 | 1233-196-1100 | ND |
2016-10-21 | 1610-168-0910 | ND |
2016-12-15 | 1233-195-1200 | ND |
2017-01-10 | 1610-126-0904 | ND |
2017-01-12 | 1610-180-1000 | ND |
2017-01-17 | 5867-027-0950 | ND |
2017-01-18 | 1610-068-1055 | ND |
2017-01-19 | 5867-029-1210 | ND |
2017-01-26 | 5867-086-1415 | ND |
2017-01-31 | 1610-094-1215 | ND |
2017-01-31 | 1610-178-1250 | ND |
2017-02-01 | 1610-173-1355 | ND |
2017-02-13 | 1610-005-1440 | ND |
2017-02-16 | 1610-030-1130 | ND |
2017-03-21 | 5867-101-0915 | ND |
2017-03-23 | 5867-171-0630 | ND |
2017-03-27 | 1610-168-0900 | ND |
2017-03-28 | 1610-141-0830 | ND |
2017-04-11 | 1610-030-1225 | ND |
2017-04-12 | 1610-068-0915 | ND |
2017-04-12 | 1610-086-1220 | ND |
2017-04-12 | 1610-180-0835 | ND |
2017-04-13 | 1610-094-1040 | ND |
2017-04-13 | 1610-171-0935 | ND |
2017-04-26 | 1610-126-1015 | ND |
2017-04-27 | 1610-141-0930 | ND |
2017-05-05 | 1610-101-0855 | ND |
2017-05-08 | 1610-027-0925 | ND |
2017-05-09 | 1610-156-0955 | ND |
2017-05-10 | 1610-029-0920 | ND |
2017-06-08 | 1610-168-0930 | ND |
2017-06-27 | 1610-004-1005 | ND |
2017-06-28 | 1610-173-1100 | ND |
2017-06-30 | 5867-107-1111 | ND |
2017-07-12 | 1610-004-0900 | ND |
2017-07-20 | 1610-131-0910 | ND |
2017-07-21 | 1610-111-1035 | ND |
2017-07-31 | 1610-168-0855 | ND |
2017-08-09 | 1610-156-0940 | ND |
2017-08-17 | 1610-180-0840 | ND |
2017-09-28 | 1610-178-1050 | ND |
2017-09-29 | 1610-173-1150 | ND |
2017-09-29 | 1610-177-1105 | ND |
2017-11-07 | 1610-168-0910 | ND |
2017-11-07 | 1610-180-0845 | ND |
2017-12-07 | 1610-111-1250 | ND |
2017-12-14 | 1610-075-1335 | ND |
2017-12-15 | 1610-178-1110 | ND |
2018-01-17 | 5867-075-1150 | ND |
2018-01-17 | 5867-202-1135 | ND |
2018-04-30 | 1644-075-0950 | ND |
2018-04-30 | 1644-202-0945 | ND |
2019-01-16 | 1644-199-0915 | ND |
2019-04-11 | 1644-075-1105 | ND |
2019-04-11 | 1644-202-1105 | ND |
2019-05-06 | 1644-199-1015 | ND |
2019-07-23 | 1610-199-0945 | ND |