Dalapon
City of Show Low
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
33
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 13 | 0 | ND |
| 2018 | ND | 12 | 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 |
|---|---|---|
| 2014-03-17 | 4031453-01 | ND |
| 2014-09-29 | 4092482-01S | ND |
| 2016-03-15 | 6031423-01 | ND |
| 2017-02-07 | 7020790-01 | ND |
| 2017-02-14 | 7021416-01 | ND |
| 2017-05-09 | 7051152-01SOC | ND |
| 2017-05-09 | 7051151-01SOC | ND |
| 2017-07-11 | 7071085-01 | ND |
| 2017-07-11 | 7071080-01 | ND |
| 2017-08-01 | 7080264-01 | ND |
| 2017-08-01 | 7080262-01 | ND |
| 2017-08-01 | 7080261-01 | ND |
| 2017-08-22 | 7082406-05SOC | ND |
| 2017-08-22 | 7082406-03 | ND |
| 2017-08-22 | 7082406-01 | ND |
| 2017-10-31 | 7110119-01 | ND |
| 2018-01-23 | 18A2483-01SOC | ND |
| 2018-01-23 | 18A2482-02SOC | ND |
| 2018-01-23 | 18A2482-01SOC | ND |
| 2018-01-23 | 18A2476-01SOC | ND |
| 2018-03-20 | 18C2057-01 | ND |
| 2018-04-03 | 18D0522-01 SOC | ND |
| 2018-09-18 | 18I1881-01 SOC | ND |
| 2018-10-30 | 18J3236-01 SOC | ND |
| 2018-11-30 | 18L0549-07 SOC | ND |
| 2018-12-03 | 18L0549-05 SOC | ND |
| 2018-12-03 | 18L0549-01 SOC | ND |
| 2018-12-03 | 18L0549-03 SOC | ND |
| 2019-01-29 | 19A3116-03 | ND |
| 2019-01-29 | 19A3116-01 | ND |
| 2019-05-28 | 19E3013-01 | ND |
| 2019-05-28 | 19E3010-01 | ND |
| 2019-09-17 | 19I1958-01 | ND |