Dalapon
City of Chandler
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
239
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 |
|---|---|---|---|---|
| 2014 | ND | 21 | 0 | ND |
| 2015 | ND | 71 | 0 | ND |
| 2016 | ND | 21 | 0 | ND |
| 2017 | ND | 24 | 0 | ND |
| 2018 | 0.0481 ppb | 79 | 3 | ND - 1.30 ppb |
| 2019 | 0.243 ppb | 23 | 3 | ND - 2.10 ppb |
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 |
|---|---|---|
| 2014-01-27 | 550-18400-3 | ND |
| 2014-01-27 | 550-18401-4S | ND |
| 2014-01-27 | 550-18401-5S | ND |
| 2014-01-28 | 550-18497-1 | ND |
| 2014-03-11 | 550-20982-1S | ND |
| 2014-04-09 | 550-22667-3S | ND |
| 2014-04-10 | 550-22786-2 | ND |
| 2014-04-15 | 550-23009-2S | ND |
| 2014-04-15 | 550-23009-3S | ND |
| 2014-04-15 | 550-23009-4S | ND |
| 2014-07-02 | 550-27233-1 | ND |
| 2014-07-02 | 550-27233-3 | ND |
| 2014-07-02 | 550-27233-4 | ND |
| 2014-07-29 | 550-28804-2 | ND |
| 2014-07-29 | 550-28804-3 | ND |
| 2014-07-30 | 550-28885-4 | ND |
| 2014-10-28 | 3131113 | ND |
| 2014-10-29 | 3131136 | ND |
| 2014-10-29 | 3131140 | ND |
| 2014-10-30 | 3132059 | ND |
| 2014-11-13 | 3139933 | ND |
| 2015-01-13 | 550-38296-1 | ND |
| 2015-01-13 | 550-38298-1 | ND |
| 2015-01-13 | 550-38301-1S | ND |
| 2015-01-15 | 550-38538-1 | ND |
| 2015-01-15 | 550-38540-1S | ND |
| 2015-01-15 | 550-38544-1 | ND |
| 2015-01-20 | 550-38732-1 | ND |
| 2015-01-20 | 550-38733-1 | ND |
| 2015-01-20 | 550-38736-1 | ND |
| 2015-01-22 | 550-38880-1 | ND |
| 2015-01-22 | 550-38882-1 | ND |
| 2015-01-22 | 550-38883-1 | ND |
| 2015-01-26 | 550-39002-1 | ND |
| 2015-01-26 | 550-39006-1 | ND |
| 2015-01-26 | 550-39007-1 | ND |
| 2015-01-27 | 550-39062-1 | ND |
| 2015-01-27 | 550-39064-1 | ND |
| 2015-01-27 | 550-39066-1 | ND |
| 2015-01-29 | 550-39227-1 | ND |
| 2015-01-29 | 550-39230-1 | ND |
| 2015-01-29 | 550-39232-1 | ND |
| 2015-02-02 | 550-39342-1 | ND |
| 2015-02-02 | 550-39345-1S | ND |
| 2015-02-02 | 550-39348-1 | ND |
| 2015-02-03 | 550-39458-1 | ND |
| 2015-02-03 | 550-39459-1S | ND |
| 2015-02-03 | 550-39460-1 | ND |
| 2015-04-08 | 550-42865-3 | ND |
| 2015-04-13 | 550-43129-1 | ND |
| 2015-04-13 | 550-43130-1S | ND |
| 2015-04-13 | 550-43131-1 | ND |
| 2015-04-13 | 550-43132-1S | ND |
| 2015-04-15 | 550-43275-1S | ND |
| 2015-04-15 | 550-43275-2 | ND |
| 2015-04-15 | 550-43280-1 | ND |
| 2015-04-22 | 550-43628-1S | ND |
| 2015-07-14 | 550-47832-1S | ND |
| 2015-07-14 | 550-47832-3S | ND |
| 2015-07-14 | 550-47832-5S | ND |
| 2015-07-14 | 550-47832-7 | ND |
| 2015-07-15 | 550-47927-1S | ND |
| 2015-07-15 | 550-47927-3S | ND |
| 2015-07-15 | 550-47927-5S | ND |
| 2015-07-16 | 550-48011-1S | ND |
| 2015-07-16 | 550-48011-3 | ND |
| 2015-07-16 | 550-48011-5S | ND |
| 2015-07-16 | 550-48011-7S | ND |
| 2015-07-16 | 550-48011-9 | ND |
| 2015-07-22 | 550-48251-1S | ND |
| 2015-07-22 | 550-48251-3S | ND |
| 2015-07-22 | 550-48251-5S | ND |
| 2015-07-22 | 550-48251-7S | ND |
| 2015-07-23 | 550-48380-1S | ND |
| 2015-07-23 | 550-48380-3S | ND |
| 2015-07-23 | 550-48380-5S | ND |
| 2015-07-23 | 550-48380-7S | ND |
| 2015-07-27 | 550-48489-1 | ND |
| 2015-07-27 | 550-48489-3S | ND |
| 2015-07-27 | 550-48489-5S | ND |
| 2015-07-27 | 550-48489-7S | ND |
| 2015-07-29 | 550-048582-1S | ND |
| 2015-07-29 | 550-48582-3S | ND |
| 2015-11-03 | 550-53731-1 | ND |
| 2015-11-03 | 550-53731-2T | ND |
| 2015-11-03 | 550-53731-3T | ND |
| 2015-11-03 | 550-53731-6T | ND |
| 2015-11-04 | 550-53818-5 | ND |
| 2015-11-05 | 550-53917-1T | ND |
| 2015-11-05 | 550-53917-3 | ND |
| 2015-11-05 | 550-53917-5T | ND |
| 2015-11-18 | 550-54553-1T | ND |
| 2016-01-13 | 550-57118-1 | ND |
| 2016-01-13 | 550-57118-2 | ND |
| 2016-01-13 | 550-57118-3 | ND |
| 2016-01-21 | 550-57604-3 | ND |
| 2016-01-28 | 550-57941-2 | ND |
| 2016-04-18 | 550-62085-4S | ND |
| 2016-04-21 | 550-62227-1D | ND |
| 2016-04-21 | 550-62230-2S | ND |
| 2016-04-25 | 550-62344-2 | ND |
| 2016-07-07 | 550-65983-1 | ND |
| 2016-07-07 | 550-65983-2 | ND |
| 2016-07-07 | 550-65983-3 | ND |
| 2016-07-08 | 550-66065-1S | ND |
| 2016-07-11 | 550-66131-2 | ND |
| 2016-07-11 | 550-66132-2 | ND |
| 2016-10-24 | 550-71694-4 | ND |
| 2016-10-25 | 550-71767-1S | ND |
| 2016-10-27 | 550-71898-1S | ND |
| 2016-10-27 | 550-71898-2 | ND |
| 2016-11-02 | 550-72226-1S | ND |
| 2016-12-29 | 550-75055-1S | ND |
| 2017-01-12 | 550-75735-1 | ND |
| 2017-01-26 | 550-76445-1S | ND |
| 2017-01-26 | 550-76445-2S | ND |
| 2017-02-01 | 550-76755-2S | ND |
| 2017-02-09 | 550-77290-1 | ND |
| 2017-04-18 | 550-81248-3SOC | ND |
| 2017-04-27 | 550-81806-1SOC | ND |
| 2017-04-27 | 550-81806-2SOC | ND |
| 2017-04-27 | 550-81806-5SOC | ND |
| 2017-06-12 | 550-84299-1 SOC | ND |
| 2017-06-19 | 550-84660-1 SOC | ND |
| 2017-06-28 | 3723402 | ND |
| 2017-07-31 | 550-87022-1SOC | ND |
| 2017-08-03 | 550-87347-2SOC | ND |
| 2017-08-03 | 550-87347-3SOC | ND |
| 2017-08-03 | 550-87347-4 | ND |
| 2017-08-04 | 550-87443-1SOC | ND |
| 2017-08-30 | 550-88911-1SOC | ND |
| 2017-08-31 | 550-89003-1SOC | ND |
| 2017-10-12 | 550-91428-1 SOC | ND |
| 2017-10-12 | 550-91428-3 SOC | ND |
| 2017-10-12 | 550-91428-4 | ND |
| 2017-10-12 | 550-91428-5 SOC | ND |
| 2017-10-13 | 550-91489-1 SOC | ND |
| 2018-01-23 | 550-96737-1 SOC | ND |
| 2018-01-23 | 550-96737-2 SOC | ND |
| 2018-01-23 | 550-96737-3 SOC | ND |
| 2018-01-23 | 550-96737-4 SOC | ND |
| 2018-01-24 | 550-96821-1 SOC | ND |
| 2018-01-24 | 550-96821-2 SOC | ND |
| 2018-01-24 | 550-96821-3 SOC | ND |
| 2018-01-24 | 550-96821-4 SOC | ND |
| 2018-01-24 | 550-96821-5 SOC | ND |
| 2018-01-25 | 550-96914-1 SOC | ND |
| 2018-01-25 | 550-96914-2 SOC | ND |
| 2018-01-25 | 550-96914-3 SOC | ND |
| 2018-01-25 | 550-96914-4 SOC | ND |
| 2018-01-25 | 550-96914-5 SOC | ND |
| 2018-01-29 | 550-97023-2 SOC | ND |
| 2018-01-29 | 550-97023-3 SOC | ND |
| 2018-01-29 | 550-97023-4 SOC | ND |
| 2018-01-31 | 550-97179-1 SOC | ND |
| 2018-02-01 | 550-97256-1 SOC | ND |
| 2018-02-01 | 550-97256-2 SOC | ND |
| 2018-02-01 | 550-97256-3 SOC | ND |
| 2018-02-01 | 550-97256-4 SOC | ND |
| 2018-03-05 | 550-98895-1 SOC | ND |
| 2018-03-05 | 550-98895-2 SOC | ND |
| 2018-03-05 | 550-98895-3 SOC | ND |
| 2018-03-05 | 550-98895-5 SOC | ND |
| 2018-03-05 | 550-98895-6 | ND |
| 2018-03-06 | 550-98981-1 | ND |
| 2018-04-17 | 550-101375-2 SOC | ND |
| 2018-04-17 | 550-101375-3 | ND |
| 2018-04-18 | 550-101450-2 SOC | ND |
| 2018-04-18 | 550-101450-4 SOC | ND |
| 2018-04-19 | 550-101546-2 | ND |
| 2018-04-19 | 550-101546-4 SOC | ND |
| 2018-04-20 | 550-101629-1 SOC | ND |
| 2018-05-17 | 550-103120-2 SOC | ND |
| 2018-06-28 | 550-105094-2 SOC | ND |
| 2018-06-28 | 550-105094-3 SOC | ND |
| 2018-07-23 | 550-106554-1 | ND |
| 2018-07-23 | 550-106554-2 | ND |
| 2018-07-23 | 550-106554-3 SOC | ND |
| 2018-07-23 | 550-106554-4 SOC | ND |
| 2018-07-23 | 550-106554-5 | 1.30 ppb |
| 2018-07-23 | 550-106554-6 SOC | ND |
| 2018-07-24 | 550-106603-1 | ND |
| 2018-07-24 | 550-106603-2 | ND |
| 2018-07-24 | 550-106603-3 | ND |
| 2018-07-24 | 550-106603-4 SOC | ND |
| 2018-07-24 | 550-106603-5 | ND |
| 2018-07-25 | 550-106658-1 | ND |
| 2018-07-25 | 550-106658-2 SOC | ND |
| 2018-07-25 | 550-106658-3 SOC | ND |
| 2018-07-25 | 550-106658-4 SOC | ND |
| 2018-07-25 | 550-106658-5 | ND |
| 2018-07-25 | 550-106658-6 | ND |
| 2018-07-26 | 550-106757-1 SOC | ND |
| 2018-07-26 | 550-106757-2 SOC | ND |
| 2018-07-26 | 550-106757-3 SOC | ND |
| 2018-07-26 | 550-106757-4 SOC | ND |
| 2018-07-26 | 550-106757-5 SOC | 1.30 ppb |
| 2018-07-26 | 550-106757-6 | 1.20 ppb |
| 2018-07-30 | 550-106907-1 SOC | ND |
| 2018-07-30 | 550-106907-2 SOC | ND |
| 2018-07-30 | 550-106907-3 | ND |
| 2018-07-30 | 550-106907-4 | ND |
| 2018-07-30 | 550-106907-5 SOC | ND |
| 2018-08-21 | 550-108374-1 | ND |
| 2018-10-17 | 550-111920-1 | ND |
| 2018-10-18 | 550-111989-1 SOC | ND |
| 2018-10-18 | 550-111989-3 SOC | ND |
| 2018-10-22 | 550-112146-2 | ND |
| 2018-10-22 | 550-112146-4 | ND |
| 2018-10-23 | 550-112224-1 | ND |
| 2018-10-24 | 550-112296-1 | ND |
| 2018-10-24 | 550-112296-2 | ND |
| 2018-10-25 | 550-112373-1 | ND |
| 2018-10-31 | 550-112584-1 SOC | ND |
| 2018-12-31 | 550-115613-1 | ND |
| 2018-12-31 | 550-115613-2 | ND |
| 2019-01-14 | 201901140158S | ND |
| 2019-01-17 | 201901170206S | ND |
| 2019-01-17 | 201901170207S | ND |
| 2019-01-23 | 20190123049S | ND |
| 2019-01-24 | 201901240233S | ND |
| 2019-01-28 | 201901280135S | ND |
| 2019-01-28 | 201901280136S | ND |
| 2019-04-11 | 201904110317S | ND |
| 2019-04-11 | 201904110318S | 2.10 ppb |
| 2019-04-17 | 201904170245S | ND |
| 2019-04-18 | 201904180296S | ND |
| 2019-04-22 | 201904220025S | 1.80 ppb |
| 2019-07-16 | 201907160469S | ND |
| 2019-07-18 | 201907180278S | ND |
| 2019-07-18 | 201907180280S | 1.70 ppb |
| 2019-07-18 | 201907180281S | ND |
| 2019-07-22 | 201907220239S | ND |
| 2019-07-22 | 201907220240S | ND |
| 2019-10-07 | 201910080033S | ND |
| 2019-10-10 | 201910100632S | ND |
| 2019-10-10 | 201910100633S | ND |
| 2019-10-10 | 201910100635S | ND |
| 2019-10-10 | 201910100636S | ND |