Heptachlor
EWG Health Guideline
0.008 ppb
Legal Limit (EPA)
0.4 ppb
National Average
0.000018 ppb
Detected In
2 utilities
Health Risks
The EWG Health Guideline of 0.008 ppb for heptachlor 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.
Filtration Methods
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Utilities That Detected This Contaminant
| Utility Name | State | Level Detected | Status | |
|---|---|---|---|---|
| Warrenville | IL | 0.00395 ppb | Detected | View |
| Sunrise Southwest | FL | 0.0035 ppb | Detected | View |