Know Your Environment. Protect Your Health.

Arsenic

Myoma Dunes Mutual Water Company

Arsenic is a potent carcinogen and common contaminant in drinking water. Arsenic causes thousands of cases of cancer each year in the U.S. Click here to read more about arsenic.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
2021ND20ND
2022ND70ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.004 ppb

The EWG Health Guideline of 0.004 ppb for arsenic was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

EPA Maximum Contaminant
Level (MCL): 10 ppb

The legal limit for arsenic, established in 2001, was based on costs for arsenic removal, as calculated at the time that the standard was set. This limit does not fully protect against the risk of cancer due to arsenic exposure.

ppb = parts per billion

All test results

Date Lab ID Result
2018-11-19CA3310051_008_008-201811191033ND
2018-11-19CA3310051_007_007-201811191011ND
2019-11-18CA3310051_011_011-201911180951ND
2019-11-22CA3310051_010_010-201911220939ND
2020-08-24CA3310051_009_009-202008241030ND
2021-08-23CA3310051_008_008-202108230835ND
2021-08-23CA3310051_007_007-202108230903ND
2022-08-19CA3310051_007_007-202208190903ND
2022-08-19CA3310051_010_010-202208190715ND
2022-08-19CA3310051_010_010-202208190749ND
2022-08-19CA3310051_009_009-202208190919ND
2022-08-19CA3310051_008_008-202208190935ND
2022-08-19CA3310051_011_011-202208190700ND
2022-08-19CA3310051_011_011-202208190752ND
2023-08-22CA3310051_009_009-202308220650ND