Know Your Environment. Protect Your Health.

Dalapon

Rayburn Country Municipal Utility District

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

 

58

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.400 ppb82ND - 1.70 ppb
20192.23 ppb881.20 ppb - 3.50 ppb
20202.83 ppb12121.000 ppb - 4.50 ppb
20213.03 ppb109ND - 4.40 ppb
20222.62 ppb10101.000 ppb - 3.70 ppb
20231.79 ppb107ND - 4.10 ppb

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
2018-02-13AE13529ND
2018-02-13AE13528ND
2018-06-12AE29448ND
2018-06-12AE29443ND
2018-07-18AE33766ND
2018-07-18AE33780ND
2018-10-15AE434201.50 ppb
2018-10-15AE434211.70 ppb
2019-02-19AE548142.00 ppb
2019-02-19AE548192.40 ppb
2019-04-02AE608171.80 ppb
2019-04-02AE608191.20 ppb
2019-07-11AE741153.50 ppb
2019-07-11AE741161.70 ppb
2019-12-12AE922883.40 ppb
2019-12-12AE922891.80 ppb
2020-02-19AE992602.40 ppb
2020-02-19AE992612.90 ppb
2020-06-10AF150373.40 ppb
2020-06-10AF150393.40 ppb
2020-07-23AF204004.30 ppb
2020-07-23AF204012.10 ppb
2020-07-23AF205001.30 ppb
2020-07-23AF205023.50 ppb
2020-11-12AF343724.50 ppb
2020-11-12AF343732.40 ppb
2020-11-12AF344381.000 ppb
2020-11-12AF344392.70 ppb
2021-01-13AF392333.80 ppb
2021-01-13AF390673.50 ppb
2021-01-13AF390664.40 ppb
2021-01-13AF39228ND
2021-05-05AF525162.70 ppb
2021-05-05AF525172.20 ppb
2021-08-24AF676543.70 ppb
2021-08-24AF676562.90 ppb
2021-10-13AF733143.70 ppb
2021-10-13AF733153.40 ppb
2022-02-09AF839471.20 ppb
2022-02-09AF839483.70 ppb
2022-03-29AF910911.000 ppb
2022-03-29AF910933.00 ppb
2022-04-18AF934983.60 ppb
2022-04-18AF934992.40 ppb
2022-07-14AG047143.60 ppb
2022-07-14AG047151.80 ppb
2022-12-27AG229542.90 ppb
2022-12-27AG229553.00 ppb
2023-02-16AG29302ND
2023-02-16AG293032.90 ppb
2023-02-16AG294142.80 ppb
2023-02-16AG29428ND
2023-05-04AG393653.00 ppb
2023-05-04AG393661.000 ppb
2023-09-25AG574172.90 ppb
2023-09-25AG574191.20 ppb
2023-10-10AG590844.10 ppb
2023-10-10AG59087ND