“to restore and maintain the Trinity River’s anadromous fishery resources… [by] …rehabilitating the river itself”
– U.S. Department of Interior, Record of Decision, 2000

WELCOME

TRRP is a multi-agency program with eight Partners forming the Trinity Management Council (TMC), plus numerous other collaborators.

The TRRP implements the 2000 Department of Interior (DOI) Record of Decision, which directs DOI to restore the fisheries of the Trinity River impacted by dam construction and related diversions of the Trinity River Division (TRD) of the Central Valley Project. Water diversions of the TRD compounded impacts from gold mining and historic logging.
The main office is located in Weaverville, CA (contact) although various Partner offices include staff working in the program.

  • Welcome to the new TRRP website!

    The many changes include:
    the DataPort - a more integrated replacement of the old Online Data Portal,
    a more comfortable page structure,
    and better responsiveness to cell phone screen sizes.

  • 2017 Channel Rehabilitation Sites: Deep Gulch and Sheridan Creek

    Links to the final document and the Finding of No Significant Impact are at
    http://www.trrp.net/2017-deep-gulch-and-sheridan-creek/

  • The Bureau of Reclamation will increase releases to the Trinity River for the
    Hoopa Valley Tribe's Boat Dance Ceremony.

    Releases from Lewiston Dam will begin to increase above the base summer flow of 450cfs at 6 PM Aug. 20, and reach a peak flow of 2,650 cfs between 10 AM and 8 PM on Aug. 21. The releases will then gradually decrease back to the base summer flow about 4 PM on Aug. 24. USBR News Release. To receive release notifications by email, subscribe here

Restoration Actions:

General:

  • Welcome to the new TRRP website!  Check out our DataPort, including the data and document Library.

Upcoming Events:

Trinity River Mini-Dash

Check out our DataPort “Dashboard” for more data.

Data may take some time to load.  Graphs of values over time are zoomable!  Click on a point on the graph and drag right to select the zoom area.

Most recent flow calculations.

The data shown here are provisional data from the USGS via the waterservices site and the USBR via the California Data Exchange. All data are provisional and may be recaulculated before final approval.

Parameter
Linked to TRRP data viewer
Location
Linked to TRRP online map
Time
Measured
Value
Linked to Source Website
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This short video highlights the history of the Trinity River and outlines the basis for river restoration following water diversions and centuries of harmful impacts from mining and logging.

 

RESOURCES FOR THE TRINITY RIVER


Trinity River Restoration

Fish of the Trinity River

Trinity River Ecology FAQ

What is the TRD?

Record of Decision (ROD) and Legislative History