Know Your Environment. Protect Your Health.

DCPA di-acid degradate

Othello Water Department

DCPA di-acid degradate is a residue of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.17 ppb220.280 ppb - 2.05 ppb
20190.284 ppb43ND - 0.490 ppb
2020N/A00N/A
20210.180 ppb85ND - 0.500 ppb
20220.0850 ppb42ND - 0.200 ppb
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-150.280 ppb
2018-12-132.05 ppb
2019-04-170.490 ppb
2019-04-170.430 ppb
2019-04-22ND
2019-07-080.215 ppb
2021-03-3141020040.170 ppb
2021-04-1241019940.330 ppb
2021-06-1041292010.340 ppb
2021-06-1041292020.500 ppb
2021-08-114171845ND
2021-08-1141690560.103 ppb
2021-10-134202797ND
2021-10-134202796ND
2022-03-154263811ND
2022-04-124273267ND
2022-06-0243043160.200 ppb
2022-09-0643571080.140 ppb
2023-09-114531622ND