Water Quality

Sinkholes and Salmon

The ever-changing pothole / sinkhole at the convergence of Old State Highway and Highway One is generated by a decaying culvert far underground. If you read the paper two weeks ago or have felt the bump in your car, you know about the sinkhole at the bottom of Old State Highway. The 4ft x 4ft pothole, caused by a failing …

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How excess sediment is being addressed in the Gualala River: the TMDL program

by Dylan Freebairn-Smith, Conservation Analyst One of the first projects that Dylan has tackled is analyzing the TMDL program for the Gualala. Summary The Gualala River has been listed as impaired under the federal Clean Water Act due to elevated sediment levels since 1993 and has exceeded the Environmental Protection Agency’s Total Maximum Daily Load (TMDL) of sediment since 2001. …

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What’s In Our Stormwater?

by Laura Baker, Board Member In 2020 FoGR learned of a chemical found in tire grit that pollutes stormwater and kills a number of different aquatic species. It is especially toxic to coho salmon— 40 parts per trillion in a quart of stormwater kills juvenile coho. Information has been pouring out of the State of Washington where the effects of …

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Fishing Industry Groups Notify Tire Companies of Intent to Sue Over 6PPD Impacts to Salmon, Steelhead

Press release by Earthjustice, August 15, 2023 [excerpt] The Institute for Fisheries Resources (IFR) and the Pacific Coast Federation of Fishermen’s Associations (PCFFA) today notified U.S. tire manufacturers of their intent to sue over the use of a chemical called 6PPD in rubber tires because of its devastating impacts on Endangered Species Act (ESA)-protected salmon and steelhead. When 6PPD reacts …

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Gualala River Sediment Reduction Planning Moves Forward After FoGR Win

After Friends of Gualala River (FoGR) filed suit in 2021 against the State and Regional Water Boards for failing to create a plan to improve water quality conditions in the watershed as required by federal law, the Water Boards have finally agreed to do so. FoGR reached an agreement with the Water Boards in early 2023 requiring the launch of …

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Relief In Sight for Sediment-Impaired Gualala River

Adult Steelhead, by Peter Baye

Friends of Gualala River (FoGR) achieved a major accomplishment that will help improve water quality and reduce sediment pollution in the Gualala River and its tributaries – a pivotal step in assisting salmonid recovery efforts. After nearly two years of legal actions and negotiations, a settlement agreement was reached last month between FoGR, the State Water Resources Control Board (State …

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Will the Gualala River Watershed receive the protection it deserves?

Adult coho salmon

By: FoGR Vice President, Lynn Walton Adult Steelhead, photo by Peter Baye For nearly a year Friends of Gualala River (FoGR) has been engaged in an effort to prompt the North Coast Regional Water Quality Control Board and the State Water Resources Control Board to perform their duty to incorporate the Gualala River’s Total Maximum Daily Load (TMDL) for sediment …

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FoGR Launches Salmonid and Watershed Restoration Project

Adult coho salmon

Historically, the Gualala River was home to abundant coho salmon and steelhead trout populations that numbered in the tens of thousands. Today, the endangered coho salmon are all but gone and threatened steelhead are struggling to survive in the home river they evolved and adapted to over millennia. The dwindling salmonid population is a critical indicator of the declining health …

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Why are salmon dying?
The answer washed off the road

Adult coho salmon

When we think of timber road runoff threats, we habitually think of fine sediment, indirectly affecting coho (and steelhead) by habitat degradation. But this is direct acute mortality by rubber tire chemicals. A new wrinkle on wheeled vehicles operating on rough, abrasive gravel haul roads. – FoGR by Erik Stokstad Science  04 Dec 2020: Vol. 370, Issue 6521, pp. 1145 …

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