Welcome to the State Water Resources Control Board - North Coast california environmental protection agency

Trinity River TMDL

The Trinity River Watershed is listed on the Section 303(d) List for impairment or threat of impairment to water quality associated with sediment.

US EPA was the lead agency for development of the technical TMDL for the Trinity River TMDL. US EPA established the Trinity River Technical TMDL for Sediment on December 20, 2001.

Updated November 23, 2011