Know Your Environment. Protect Your Health.

Dalapon

City of Nome

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.03 ppb83ND - 3.10 ppb
2019ND90ND
2020ND60ND
20210.150 ppb81ND - 1.20 ppb
20220.489 ppb92ND - 3.20 ppb
2023ND80ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-25AE105243.10 ppb
2018-01-25AE105112.20 ppb
2018-04-10AE21847ND
2018-04-10AE218462.90 ppb
2018-07-16AE33519ND
2018-07-16AE33523ND
2018-10-24AE44477ND
2018-10-24AE44480ND
2019-02-26AE55926ND
2019-02-26AE55929ND
2019-02-26AE56064ND
2019-06-05AE69441ND
2019-06-05AE69443ND
2019-08-22AE80198ND
2019-08-22AE80199ND
2019-12-17AE92559ND
2019-12-17AE92561ND
2020-02-12AE98103ND
2020-02-12AE98105ND
2020-05-28AF13080ND
2020-05-28AF13083ND
2020-11-23AF35427ND
2020-11-23AF35428ND
2021-03-24AF479931.20 ppb
2021-03-24AF47992ND
2021-05-27AF55762ND
2021-05-27AF55763ND
2021-08-25AF67893ND
2021-08-25AF67894ND
2021-11-04AF75714ND
2021-11-04AF75719ND
2022-02-01AF82942ND
2022-02-24AF86251ND
2022-02-24AF862523.20 ppb
2022-05-03AF95297ND
2022-05-03AF952981.20 ppb
2022-09-28AG15237ND
2022-09-28AG15238ND
2022-12-13AG21640ND
2022-12-13AG21641ND
2023-02-06AG27438ND
2023-02-06AG27446ND
2023-05-09AG39697ND
2023-05-09AG39698ND
2023-09-08AG55536ND
2023-09-08AG55542ND
2023-11-29AG64777ND
2023-11-29AG64778ND