An offshore platform in the Gulf of Mexico. Under current Environmental Protection Agency standards, offshore platform operators can dump unlimited amounts of fracking chemicals mixed with water from undersea wells directly into the ocean. (Photo: Jonathan Henderson / Vanishing Earth)

Environmentalists are warning the Environmental Protection Agency (EPA) that its draft plan to continue allowing oil and gas companies to dump unlimited amounts of fracking chemicals and wastewater directly into the Gulf of Mexico is in violation of federal law.

In a letter sent to EPA officials on Monday, attorneys for the Center for Biological Diversity warned that the agency’s draft permit for water pollution discharges in the Gulf fails to properly consider how dumping wastewater containing chemicals from fracking and acidizing operations would impact water quality and marine wildlife.

The attorneys claim that regulators do not fully understand how the chemicals used in offshore fracking and other well treatments — some of which are toxic and dangerous to human and marine life — can impact marine environments, and crucial parts of the draft permit are based […]