Know Your Environment. Protect Your Health.

Hexachlorocyclopentadiene

Aloha Gardens Utilities

NOTE: Aloha Gardens Utilities purchases water from PCUD-Pasco County Regional Public Water System which is required to test for hexachlorocyclopentadiene. Sample information shown below was taken by PCUD-Pasco County Regional Public Water System.

Hexachlorocyclopentadiene was historically used for the manufacture of currently banned pesticides, such as endrin, dieldrin and chlordane. It’s still used for production of flame retardants, resins and plastics.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND20ND
2021N/A00N/A
2022N/A00N/A
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 2 ppb

The EWG Health Guideline of 2 ppb for hexachlorocyclopentadiene 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 harm to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL): 50 ppb

The legal limit for hexachlorocyclopentadiene, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

NOTE: Aloha Gardens Utilities purchases water from PCUD-Pasco County Regional Public Water System which is required to test for hexachlorocyclopentadiene. Sample information shown below was taken by PCUD-Pasco County Regional Public Water System.

Date Result
2020-01-06ND
2020-01-06ND
2020-01-06ND
2020-01-07ND
2020-01-07ND
2020-01-07ND
2020-04-14ND
2020-04-14ND
2020-04-15ND
2020-04-15ND
2020-04-15ND
2023-02-23ND
2023-02-27ND
2023-02-28ND
2023-03-06ND
2023-03-13ND
2023-03-20ND