Across California, CalTrout scientists, partners, and communities are restoring rivers, protecting native fish, and shaping water policy. Learn more about the work driving healthier waters for the West.
Alameda Creek historically supported Chinook salmon and steelhead runs. Recent habitat improvements by Alameda County Water District and others will open up the mainstem Alameda Creek to these fish in spring 2022, for the first time in decades. We are working with partners to assess habitat conditions and usage by steelhead to help inform future management and restoration projects, starting in Stonybrook Creek, a key spawning tributary.
Threats
Agriculture
Impacts from agriculture include streams polluted by agricultural return water or farm effluent; reduced flow due to diversions which can affect migratory patterns; and increased silt and pesticides in streams. Marijuana grow operations, legal and illegal, were considered in this metric.
Mining
This factor refers to hard rock mining, from which contaminated tailings, mine effluents, and toxic pollutants may have been dumped or leached into streams, mostly from abandoned mines. Mercury mining, used for processing gold in placer and dredge mining, left a lasting negative impact on wildlife.
Residential Development
As California’s population grows, rural development increasingly encroaches along or near streams. Resulting impacts include water diversions, groundwater pumping, streambed alteration (to protect houses from flooding, construct road crossings, etc.), and pollution (especially from septic tanks and illegal waste dumping).
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PROJECT FUNDERS AND PARTNERS
Project Funders
Alameda County Fish & Game Commission, Alameda County Fish & Game Commission
Project Partners
Alameda Creek Alliance, CDFW, East Bay Regional Parks District, Alameda Creek Fisheries Work Group
Stabilized road embankment, three years post-treatment.
HOW WE GOT HERE
A century of impact. A decade of recovery.
From industrial timber harvest through the formation of CalTrout's Elk River Recovery Program.
LATE 1800s
Industrial logging begins in the Elk River watershed.
Steep slopes are clear-cut and haul roads carved into the hillsides. Sediment begins moving downstream.
LATE 1800s
Industrial logging begins in the Elk River watershed.
Steep slopes are clear-cut and haul roads carved into the hillsides. Sediment begins moving downstream.
LATE 1800s
Industrial logging begins in the Elk River watershed.
Steep slopes are clear-cut and haul roads carved into the hillsides. Sediment begins moving downstream.
LATE 1800s
Industrial logging begins in the Elk River watershed.
Steep slopes are clear-cut and haul roads carved into the hillsides. Sediment begins moving downstream.
Frequently Asked Questions
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Project Resources
REPORT
Phase 1 Final Report
SUMMARY
Phase 1 Executive Summary
REPORT
Phase 1 Field Data
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SUPPORT THIS WORK
Your gift directly funds the next field season on the Elk River.
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