Know Your Environment. Protect Your Health.

Heptachlor epoxide

Southern Madison Utilities LLC

NOTE: Southern Madison Utilities LLC purchases water from Citizens Water - Indianapolis which is required to test for heptachlor epoxide. Sample information shown below was taken by Citizens Water - Indianapolis.

Heptachlor epoxide is a breakdown product of heptachlor, a highly toxic and carcinogenic pesticide banned in the U.S. since the 1980s.

 

111

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
2021ND20ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppb

The EWG Health Guideline of 0.006 ppb for heptachlor epoxide 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): 0.2 ppb

The legal limit for heptachlor epoxide, established in 1991, was based on analytical detection limits at the time that the standard was set. This limit may not fully protect against the risk of cancer.

ppb = parts per billion

All test results

NOTE: Southern Madison Utilities LLC purchases water from Citizens Water - Indianapolis which is required to test for heptachlor epoxide. Sample information shown below was taken by Citizens Water - Indianapolis.

Date Lab ID Result
2018-02-122018021257ARS-1801ND
2018-02-122018021257BRS-1801ND
2018-02-122018021257CRS-1801ND
2018-02-122018021257DRS-1801ND
2018-05-16P0518459RS28-1802ND
2018-05-16P0518460RS28-1802ND
2018-05-16P0518461RS28-1802ND
2018-05-16P0518462RS28-1802ND
2018-05-16P0518463RS28-1802ND
2018-05-16P0518464RS28-1802ND
2018-05-16P0518465RS28-1802ND
2018-05-16P0518466RS28-1802ND
2018-06-132018062200RS28-1802ND
2018-08-14P0818554ND
2018-08-15P0818546ND
2018-08-15P0818547ND
2018-08-15P0818548ND
2018-08-15P0818549ND
2018-08-15P0818550ND
2018-08-15P0818551ND
2018-08-15P0818552ND
2018-08-15P0818553ND
2018-11-1291118226ND
2018-11-12P1118227ND
2018-11-12P1118228ND
2018-11-12P1118229ND
2019-02-11P0219184ND
2019-02-11P0219185ND
2019-02-11P0219186ND
2019-02-11P0219187ND
2019-05-15P0519-333ND
2019-05-15P0519-338ND
2019-05-15P0519-343ND
2019-05-15P0519-348ND
2019-05-15P0519-353ND
2019-05-15P0519-358ND
2019-05-15P0519-363ND
2019-05-15P0519-368ND
2019-08-12P0819282ND
2019-08-12P0819283ND
2019-08-12P0819284ND
2019-08-12P0819285ND
2019-08-14P0819434RS28-1903ND
2019-10-02P1019052053ND
2019-11-11P1119200ND
2019-11-11P1119201ND
2019-11-11P1119202ND
2020-02-10P0220207ND
2020-02-10P0220208ND
2020-02-10P0220209ND
2020-03-09P0320206ND
2020-03-09P0320207ND
2020-03-09P0320208ND
2020-03-30P0320-528ND
2020-04-06P0420-065ND
2020-04-06P0420-066ND
2020-04-06P0420-067ND
2020-04-06P0420-068ND
2020-04-13P0420-160ND
2020-04-13P0420-161ND
2020-04-13P0420-162ND
2020-04-13P0420-163ND
2020-05-11P0520-187ND
2020-05-11P0520-188ND
2020-05-11P0520-189ND
2020-05-11P0520-190ND
2020-08-10P0820-492ND
2020-08-10P0820-494ND
2020-08-10P0820-496ND
2020-08-10P0820-500ND
2020-08-11P0820-502ND
2020-08-12P0820-504ND
2020-08-12P0820-529ND
2020-08-12P0820-531ND
2020-08-12P0820-535ND
2021-05-11P0521-319ND
2021-05-12P0521-303ND
2021-05-12P0521-305ND
2021-05-12P0521-307ND
2021-05-12P0521-309ND
2021-05-12P0521-321ND
2021-05-12P0521-323ND
2021-05-12P0521-325ND
2021-06-16P0621-299ND
2021-08-17P0821-416ND
2021-08-18P0821-408ND
2021-08-18P0821-410ND
2021-08-18P0821-412ND
2021-08-18P0821-414ND
2021-08-18P0821-418ND
2021-08-18P0821-420ND
2021-08-18P0821-422ND
2021-08-18P0821-424ND
2022-05-102022043308-3ND
2022-05-112022043300-3ND
2022-05-112022043301-3ND
2022-05-112022043302-3ND
2022-05-112022043303-3ND
2022-05-112022043304-3ND
2022-05-112022043305-3ND
2022-05-112022043306-3ND
2022-06-272022043307-3ND
2023-08-152023067090-3ND
2023-08-162023067082-3ND
2023-08-162023067083-3ND
2023-08-162023067084-3ND
2023-08-162023067085-3ND
2023-08-162023067086-3ND
2023-08-162023067087-3ND
2023-08-162023067088-3ND
2023-08-162023067089-3ND