Know Your Environment. Protect Your Health.

Dalapon

East Rio Hondo Water Supply Corporation Arroyo City

NOTE: East Rio Hondo Water Supply Corporation Arroyo City purchases water from East Rio Hondo WSC which is required to test for dalapon. Sample information shown below was taken by East Rio Hondo WSC.

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

 

98

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
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

NOTE: East Rio Hondo Water Supply Corporation Arroyo City purchases water from East Rio Hondo WSC which is required to test for dalapon. Sample information shown below was taken by East Rio Hondo WSC.

Date Lab ID Result
2018-02-01AE11799ND
2018-02-01AE11798ND
2018-02-01AE11801ND
2018-03-07AE17236ND
2018-06-05AE28644ND
2018-06-05AE28648ND
2018-06-05AE28649ND
2018-06-05AE28643ND
2018-08-28AE38675ND
2018-08-28AE38676ND
2018-08-28AE38677ND
2018-08-28AE38678ND
2018-08-28AE38707ND
2018-11-29AE47373ND
2018-11-29AE47425ND
2018-11-29AE47376ND
2018-11-29AE47375ND
2018-11-29AE47367ND
2019-02-19AE55016ND
2019-02-19AE55017ND
2019-02-19AE55024ND
2019-02-19AE55026ND
2019-02-19AE55117ND
2019-06-06AE69525ND
2019-06-06AE69410ND
2019-06-06AE69407ND
2019-06-06AE69406ND
2019-06-06AE69409ND
2019-07-18AE74983ND
2019-07-18AE74984ND
2019-07-18AE74987ND
2019-07-18AE74988ND
2019-11-26AE90562ND
2019-11-26AE90563ND
2019-11-26AE90573ND
2019-11-26AE90575ND
2020-03-17AF03232ND
2020-03-17AF03234ND
2020-03-17AF03233ND
2020-03-17AF03231ND
2020-05-06AF10028ND
2020-05-06AF10029ND
2020-05-06AF10030ND
2020-05-06AF10032ND
2020-09-10AF26992ND
2020-09-10AF26993ND
2020-09-10AF26994ND
2020-09-10AF26995ND
2020-12-16AF38002ND
2020-12-16AF37998ND
2020-12-16AF37995ND
2020-12-16AF38000ND
2021-03-10AF46680ND
2021-03-10AF46692ND
2021-03-10AF46693ND
2021-03-29AF48343ND
2021-05-12AF53498ND
2021-05-12AF53499ND
2021-05-12AF53500ND
2021-05-12AF53501ND
2021-08-16AF66368ND
2021-08-16AF66367ND
2021-08-16AF66365ND
2021-08-16AF66364ND
2021-12-21AF79239ND
2021-12-21AF79242ND
2021-12-21AF79243ND
2021-12-21AF79245ND
2022-03-02AF87171ND
2022-03-02AF87172ND
2022-03-02AF87173ND
2022-03-02AF87174ND
2022-03-02AF87317ND
2022-06-09AG00325ND
2022-06-09AG00353ND
2022-06-09AG00327ND
2022-06-09AG00324ND
2022-06-09AG00326ND
2022-07-20AG05488ND
2022-07-20AG05489ND
2022-07-20AG05490ND
2022-07-20AG05491ND
2022-12-08AG21286ND
2022-12-08AG21287ND
2022-12-08AG21288ND
2022-12-08AG21289ND
2023-05-17AG40768ND
2023-05-17AG40801ND
2023-05-17AG40800ND
2023-05-17AG40766ND
2023-08-02AG51050ND
2023-08-02AG51051ND
2023-08-02AG51052ND
2023-08-02AG51053ND
2023-12-18AG66817ND
2023-12-18AG66818ND
2023-12-18AG66819ND
2023-12-18AG66820ND