Know Your Environment. Protect Your Health.

Dalapon

City of San Diego Glossbrenner Unit

NOTE: City of San Diego Glossbrenner Unit purchases water from San Diego Municipal Utility District 1 which is required to test for dalapon. Sample information shown below was taken by San Diego Municipal Utility District 1.

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

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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: City of San Diego Glossbrenner Unit purchases water from San Diego Municipal Utility District 1 which is required to test for dalapon. Sample information shown below was taken by San Diego Municipal Utility District 1.

Date Lab ID Result
2018-06-04AE28465ND
2019-05-06AE64845ND
2020-06-04AF14136ND
2020-06-04AF14227ND
2020-06-04AF14228ND
2021-06-07AF57451ND
2022-06-27AG02766ND
2022-09-28AG15441ND
2023-02-22AG30039ND
2023-04-24AG37777ND
2023-05-08AG39542ND
2023-05-08AG39544ND