Know Your Environment. Protect Your Health.

Dalapon

Johnston County Rural Water District #3

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

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND90ND
2020ND70ND
2021ND60ND
2022ND50ND
2023ND30ND

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
2018-08-27SDWA-1300561-00ND
2018-08-27SDWA-1300559-00ND
2018-08-27SDWA-1300560-00ND
2018-10-23SDWA-1315734-00ND
2018-10-23SDWA-1315733-00ND
2018-10-23SDWA-1315735-00ND
2019-01-22SDWA-1342781-00ND
2019-01-22SDWA-1342782-00ND
2019-01-22SDWA-1342783-00ND
2019-05-20SDWA-1377752-00ND
2019-05-20SDWA-1377753-00ND
2019-05-20SDWA-1377754-00ND
2019-08-13SDWA-1404302-00ND
2019-08-13SDWA-1404303-00ND
2019-08-13SDWA-1404304-00ND
2020-02-03SDWA-1463310-00ND
2020-02-03SDWA-1456314-00ND
2020-02-03SDWA-1456313-00ND
2020-02-03SDWA-1456312-00ND
2020-06-08SDWA-1489908-00ND
2020-07-27SDWA-1500068-00ND
2020-12-14SDWA-1533189-00ND
2021-03-01SDWA-1553479-00ND
2021-03-01SDWA-1553478-00ND
2021-03-01SDWA-1553458-00ND
2021-05-03SDWA-1577603-00ND
2021-09-01SDWA-1609530-00ND
2021-10-25SDWA-1641939-00ND
2022-02-01SDWA-1670897-00ND
2022-02-01SDWA-1670899-00ND
2022-04-11SDWA-1684864-00ND
2022-04-20SDWA-1670905-00ND
2022-08-17SDWA-1722652-00ND
2023-12-06SDWA-1859269-00ND
2023-12-06SDWA-1859271-00ND
2023-12-06SDWA-1859277-00ND