Dalapon
San Antonio Water System Northeast
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 | 19 | 0 | ND |
2015 | ND | 16 | 0 | ND |
2016 | ND | 16 | 0 | ND |
2017 | ND | 20 | 0 | ND |
2018 | ND | 16 | 0 | ND |
2019 | ND | 24 | 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 |
---|---|---|
2014-02-14 | AC43100 | ND |
2014-02-14 | AC43106 | ND |
2014-02-14 | AC43044 | ND |
2014-02-14 | AC43048 | ND |
2014-04-02 | AC49124 | ND |
2014-04-02 | AC49095 | ND |
2014-04-02 | AC49085 | ND |
2014-04-02 | AC49106 | ND |
2014-07-02 | AC58767 | ND |
2014-07-02 | AC58764 | ND |
2014-07-02 | AC58774 | ND |
2014-07-02 | AC58775 | ND |
2014-09-02 | AC65476 | ND |
2014-09-02 | AC65475 | ND |
2014-09-02 | AC65473 | ND |
2014-10-02 | AC68793 | ND |
2014-10-02 | AC68794 | ND |
2014-10-02 | AC68790 | ND |
2014-10-02 | AC68767 | ND |
2015-01-15 | AC76420 | ND |
2015-01-15 | AC76444 | ND |
2015-01-15 | AC76443 | ND |
2015-01-15 | AC76429 | ND |
2015-05-01 | AC90234 | ND |
2015-05-01 | AC90254 | ND |
2015-05-01 | AC90248 | ND |
2015-05-01 | AC90249 | ND |
2015-07-08 | AC98706 | ND |
2015-07-08 | AC98710 | ND |
2015-07-08 | AC98709 | ND |
2015-07-08 | AC98708 | ND |
2015-10-14 | AD10598 | ND |
2015-10-14 | AD10591 | ND |
2015-10-14 | AD10586 | ND |
2015-10-14 | AD10599 | ND |
2016-01-12 | AD17559 | ND |
2016-01-12 | AD17563 | ND |
2016-01-12 | AD17533 | ND |
2016-01-12 | AD17532 | ND |
2016-04-04 | AD31635 | ND |
2016-04-04 | AD31639 | ND |
2016-04-04 | AD31634 | ND |
2016-04-04 | AD31636 | ND |
2016-07-20 | AD44880 | ND |
2016-07-20 | AD44875 | ND |
2016-07-20 | AD44870 | ND |
2016-07-20 | AD44878 | ND |
2016-10-12 | AD53118 | ND |
2016-10-12 | AD53120 | ND |
2016-10-12 | AD53119 | ND |
2016-10-12 | AD53135 | ND |
2017-01-05 | AD63349 | ND |
2017-01-05 | AD63347 | ND |
2017-01-05 | AD63346 | ND |
2017-01-05 | AD63192 | ND |
2017-01-05 | AD63196 | ND |
2017-01-05 | AD63190 | ND |
2017-01-05 | AD63193 | ND |
2017-04-03 | AD78036 | ND |
2017-04-03 | AD78034 | ND |
2017-04-03 | AD78037 | ND |
2017-04-03 | AD78039 | ND |
2017-07-07 | AD88653 | ND |
2017-07-07 | AD88636 | ND |
2017-07-07 | AD88637 | ND |
2017-07-07 | AD88630 | ND |
2017-12-04 | AE06545 | ND |
2017-12-04 | AE06537 | ND |
2017-12-04 | AE06542 | ND |
2017-12-04 | AE06543 | ND |
2017-12-13 | AE07709 | ND |
2018-01-18 | AE09212 | ND |
2018-01-18 | AE09213 | ND |
2018-01-18 | AE09223 | ND |
2018-01-18 | AE09220 | ND |
2018-04-19 | AE23195 | ND |
2018-04-19 | AE23204 | ND |
2018-04-19 | AE23199 | ND |
2018-04-19 | AE23196 | ND |
2018-08-31 | AE39130 | ND |
2018-08-31 | AE39128 | ND |
2018-08-31 | AE39131 | ND |
2018-08-31 | AE39129 | ND |
2018-11-20 | AE46652 | ND |
2018-11-20 | AE46655 | ND |
2018-11-20 | AE46654 | ND |
2018-11-20 | AE46653 | ND |
2019-01-28 | AE51591 | ND |
2019-01-28 | AE51590 | ND |
2019-01-28 | AE51588 | ND |
2019-01-28 | AE51589 | ND |
2019-04-22 | AE63146 | ND |
2019-04-22 | AE63148 | ND |
2019-04-22 | AE63147 | ND |
2019-04-22 | AE63149 | ND |
2019-07-26 | AE76121 | ND |
2019-07-26 | AE76124 | ND |
2019-07-26 | AE76126 | ND |
2019-07-26 | AE76122 | ND |
2019-07-26 | AE76120 | ND |
2019-07-26 | AE76123 | ND |
2019-07-26 | AE76125 | ND |
2019-07-26 | AE76163 | ND |
2019-10-29 | AE87840 | ND |
2019-10-29 | AE87846 | ND |
2019-10-29 | AE87855 | ND |
2019-10-29 | AE87843 | ND |
2019-10-29 | AE87861 | ND |
2019-10-29 | AE87842 | ND |
2019-10-29 | AE87844 | ND |
2019-10-29 | AE87845 | ND |