Dalapon
North Alamo Water Supply Company
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
204
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 34 | 0 | ND |
| 2015 | ND | 32 | 0 | ND |
| 2016 | ND | 36 | 0 | ND |
| 2017 | ND | 33 | 0 | ND |
| 2018 | ND | 32 | 0 | ND |
| 2019 | ND | 37 | 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 |
|---|---|---|
| 2014-02-25 | AC44500 | ND |
| 2014-02-25 | AC44501 | ND |
| 2014-02-25 | AC44482 | ND |
| 2014-02-25 | AC44485 | ND |
| 2014-02-25 | AC44481 | ND |
| 2014-02-25 | AC44483 | ND |
| 2014-02-25 | AC44484 | ND |
| 2014-02-25 | AC44478 | ND |
| 2014-05-06 | AC53215 | ND |
| 2014-05-06 | AC53214 | ND |
| 2014-05-06 | AC53213 | ND |
| 2014-05-06 | AC53212 | ND |
| 2014-05-06 | AC53216 | ND |
| 2014-05-06 | AC53217 | ND |
| 2014-06-17 | AC57110 | ND |
| 2014-06-17 | AC57112 | ND |
| 2014-06-17 | AC57171 | ND |
| 2014-06-17 | AC57172 | ND |
| 2014-09-22 | AC67704 | ND |
| 2014-09-22 | AC67701 | ND |
| 2014-09-22 | AC67702 | ND |
| 2014-09-22 | AC67705 | ND |
| 2014-09-22 | AC67731 | ND |
| 2014-09-22 | AC67703 | ND |
| 2014-09-22 | AC67700 | ND |
| 2014-09-22 | AC67729 | ND |
| 2014-11-21 | AC72709 | ND |
| 2014-11-21 | AC72784 | ND |
| 2014-11-21 | AC72702 | ND |
| 2014-11-21 | AC72785 | ND |
| 2014-11-21 | AC72701 | ND |
| 2014-11-21 | AC72707 | ND |
| 2014-11-21 | AC72708 | ND |
| 2014-11-21 | AC72703 | ND |
| 2015-03-11 | AC83711 | ND |
| 2015-03-11 | AC83709 | ND |
| 2015-03-11 | AC83712 | ND |
| 2015-03-11 | AC83735 | ND |
| 2015-03-11 | AC83710 | ND |
| 2015-03-11 | AC83737 | ND |
| 2015-03-11 | AC83713 | ND |
| 2015-03-11 | AC83707 | ND |
| 2015-05-06 | AC90712 | ND |
| 2015-05-06 | AC90717 | ND |
| 2015-05-06 | AC90715 | ND |
| 2015-05-06 | AC90719 | ND |
| 2015-05-06 | AC90718 | ND |
| 2015-05-06 | AC90710 | ND |
| 2015-05-06 | AC90720 | ND |
| 2015-05-06 | AC90714 | ND |
| 2015-07-15 | AC99617 | ND |
| 2015-07-15 | AC99616 | ND |
| 2015-07-15 | AC99611 | ND |
| 2015-07-15 | AC99612 | ND |
| 2015-07-15 | AC99610 | ND |
| 2015-07-15 | AC99618 | ND |
| 2015-07-16 | AC99905 | ND |
| 2015-07-16 | AC99900 | ND |
| 2015-10-22 | AD11481 | ND |
| 2015-10-22 | AD11478 | ND |
| 2015-10-22 | AD11483 | ND |
| 2015-10-22 | AD11480 | ND |
| 2015-10-22 | AD11473 | ND |
| 2015-10-22 | AD11477 | ND |
| 2015-10-22 | AD11474 | ND |
| 2015-10-22 | AD11485 | ND |
| 2016-01-27 | AD20496 | ND |
| 2016-01-27 | AD20354 | ND |
| 2016-01-27 | AD20359 | ND |
| 2016-01-27 | AD20338 | ND |
| 2016-01-27 | AD20360 | ND |
| 2016-01-27 | AD20357 | ND |
| 2016-01-27 | AD20348 | ND |
| 2016-01-27 | AD20361 | ND |
| 2016-01-27 | AD20358 | ND |
| 2016-04-27 | AD34501 | ND |
| 2016-04-27 | AD34506 | ND |
| 2016-04-27 | AD34392 | ND |
| 2016-04-27 | AD34390 | ND |
| 2016-04-27 | AD34389 | ND |
| 2016-04-27 | AD34378 | ND |
| 2016-04-27 | AD34382 | ND |
| 2016-04-27 | AD34391 | ND |
| 2016-04-27 | AD34387 | ND |
| 2016-04-27 | AD34388 | ND |
| 2016-08-03 | AD46840 | ND |
| 2016-08-03 | AD46823 | ND |
| 2016-08-03 | AD46836 | ND |
| 2016-08-03 | AD46841 | ND |
| 2016-08-03 | AD46820 | ND |
| 2016-08-03 | AD46822 | ND |
| 2016-08-03 | AD46842 | ND |
| 2016-08-03 | AD46821 | ND |
| 2016-08-03 | AD46917 | ND |
| 2016-10-25 | AD54542 | ND |
| 2016-10-25 | AD54538 | ND |
| 2016-10-25 | AD54536 | ND |
| 2016-10-25 | AD54535 | ND |
| 2016-10-25 | AD54539 | ND |
| 2016-10-25 | AD54537 | ND |
| 2016-10-25 | AD54534 | ND |
| 2016-10-25 | AD54541 | ND |
| 2017-02-07 | AD69147 | ND |
| 2017-02-07 | AD69145 | ND |
| 2017-02-07 | AD69150 | ND |
| 2017-02-07 | AD69148 | ND |
| 2017-02-07 | AD69151 | ND |
| 2017-02-07 | AD69149 | ND |
| 2017-02-07 | AD69157 | ND |
| 2017-02-07 | AD69146 | ND |
| 2017-04-20 | AD80328 | ND |
| 2017-04-20 | AD80325 | ND |
| 2017-04-20 | AD80327 | ND |
| 2017-04-20 | AD80329 | ND |
| 2017-04-20 | AD80347 | ND |
| 2017-04-20 | AD80333 | ND |
| 2017-04-20 | AD80330 | ND |
| 2017-04-20 | AD80326 | ND |
| 2017-07-11 | AD88848 | ND |
| 2017-07-11 | AD88861 | ND |
| 2017-07-11 | AD88867 | ND |
| 2017-07-11 | AD88868 | ND |
| 2017-07-11 | AD88859 | ND |
| 2017-07-11 | AD88860 | ND |
| 2017-07-11 | AD88864 | ND |
| 2017-07-11 | AD88854 | ND |
| 2017-10-03 | AD99110 | ND |
| 2017-10-03 | AD99011 | ND |
| 2017-10-03 | AD99016 | ND |
| 2017-10-03 | AD99014 | ND |
| 2017-10-03 | AD99015 | ND |
| 2017-10-03 | AD99017 | ND |
| 2017-10-03 | AD99012 | ND |
| 2017-10-03 | AD99018 | ND |
| 2017-10-03 | AD99013 | ND |
| 2018-01-23 | AE09830 | ND |
| 2018-01-23 | AE09827 | ND |
| 2018-01-23 | AE09815 | ND |
| 2018-01-23 | AE09811 | ND |
| 2018-01-23 | AE09812 | ND |
| 2018-01-23 | AE09808 | ND |
| 2018-01-23 | AE09814 | ND |
| 2018-01-23 | AE09823 | ND |
| 2018-04-10 | AE21835 | ND |
| 2018-04-10 | AE21833 | ND |
| 2018-04-10 | AE21839 | ND |
| 2018-04-10 | AE21836 | ND |
| 2018-04-10 | AE21832 | ND |
| 2018-04-10 | AE21834 | ND |
| 2018-04-10 | AE21838 | ND |
| 2018-04-10 | AE21837 | ND |
| 2018-07-11 | AE32925 | ND |
| 2018-07-11 | AE32923 | ND |
| 2018-07-11 | AE32924 | ND |
| 2018-07-11 | AE32931 | ND |
| 2018-07-11 | AE32933 | ND |
| 2018-07-11 | AE32932 | ND |
| 2018-07-11 | AE32934 | ND |
| 2018-07-11 | AE32930 | ND |
| 2018-11-06 | AE45379 | ND |
| 2018-11-06 | AE45372 | ND |
| 2018-11-06 | AE45376 | ND |
| 2018-11-06 | AE45375 | ND |
| 2018-11-06 | AE45378 | ND |
| 2018-11-06 | AE45374 | ND |
| 2018-11-06 | AE45377 | ND |
| 2018-11-06 | AE45373 | ND |
| 2019-02-12 | AE54165 | ND |
| 2019-02-12 | AE54170 | ND |
| 2019-02-12 | AE54070 | ND |
| 2019-02-12 | AE54040 | ND |
| 2019-02-12 | AE54041 | ND |
| 2019-02-12 | AE54044 | ND |
| 2019-02-12 | AE54043 | ND |
| 2019-02-12 | AE54034 | ND |
| 2019-02-12 | AE54035 | ND |
| 2019-02-12 | AE54045 | ND |
| 2019-04-30 | AE64157 | ND |
| 2019-04-30 | AE64156 | ND |
| 2019-04-30 | AE64084 | ND |
| 2019-04-30 | AE64093 | ND |
| 2019-04-30 | AE64099 | ND |
| 2019-04-30 | AE64094 | ND |
| 2019-04-30 | AE64082 | ND |
| 2019-04-30 | AE64092 | ND |
| 2019-04-30 | AE64095 | ND |
| 2019-04-30 | AE64083 | ND |
| 2019-09-03 | AE81840 | ND |
| 2019-09-03 | AE81705 | ND |
| 2019-09-03 | AE81706 | ND |
| 2019-09-03 | AE81703 | ND |
| 2019-09-03 | AE81704 | ND |
| 2019-09-03 | AE81701 | ND |
| 2019-09-03 | AE81707 | ND |
| 2019-09-03 | AE81702 | ND |
| 2019-09-03 | AE81700 | ND |
| 2019-11-05 | AE88459 | ND |
| 2019-11-05 | AE88460 | ND |
| 2019-11-05 | AE88457 | ND |
| 2019-11-05 | AE88458 | ND |
| 2019-11-05 | AE88453 | ND |
| 2019-11-05 | AE88456 | ND |
| 2019-11-05 | AE88455 | ND |
| 2019-11-05 | AE88454 | ND |