Sediment, surface water, and tissue data in the Lauritzen Channel continue to exceed remediation goals nearly twenty years after the remedy implementation. Do not eat fish or shellfish caught in the Lauritzen Channel. See OEHHA’s fish advisory for more information .
| City | Richmond |
|---|---|
| County | Contra Costa County |
| State | California |
| Coordinates | 37.92260, -122.36540 |
United Heckathorn Co is a federal Superfund site in California. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Cleanup underway. Active cleanup is underway, meaning EPA has approved a remediation plan and work is in progress. Cleanup timelines vary widely — some sites take decades depending on contamination depth, groundwater involvement, and funding availability.
Contaminants of concern include dieldrin, p,p'-ddt. Contamination has been detected in soil, sediment, surface water.
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.