alameda creek archive

A study of steelhead in Scott Creek, Santa Cruz County shows that 85% of all returning adults to the creek were survivors of juveniles reared in the estuary. This report is good background information for those interested in steelhead life-history.

Aerial Survey of the Upper Alameda Creek Watershed to Assess Potential Rearing Habitat for Steelhead (25 KB PDF; does not include images from the report)

Summary of Steelhead sightings (PDF)

View a historical map of the Alameda Creek Watershed. (Courtesy Oakland Museum)

Aerial Survey of the Upper Alameda Creek Watershed to Assess Potential Rearing Habitat for Steelhead (25 KB PDF; does not include images from the report)

Propagation/Transport:

Download a PDF file of a memo regarding operations of the internet camera at the BART weir for the 2005-2006 steelhead migration season.

Download minutes of the May 17, 2004 supplementation subgroup meeting here.

The SFPUC has released a technical memorandum Population Size Estimates for Adult Rainbow Trout (Oncorhynchus mykiss) in San Antonio and Calaveras Reservoirs. The document presents the findings of an adult rainbow trout population size estimate study conducted in 2003.

Download minutes of the January 14, 2004 in-migrant subgroup meeting here.

Supplementation Alternatives Report (PDF is 52 KB)

Population Genetic Structure of Alameda Creek Rainbow/ Steelhead Trout report. (24 KB PDF)

Hanson Environmental Revised Technical Memos

Air & Water Temperature (7.4 MB)

(Fish Passage Analysis memo is currently being revised and will be reposted when revisions are complete)

Diel Water Quality (0.6 MB)

Instream Habitat (17MB)

Sunol/Niles Dam Removal Engineering Conceptual Design Draft Report

Report Text (2.5 Mb)

Figures for Section 2 (3.3 Mb)

Part 1 of Figs for Sect. 3 (2.4 Mb)

Part 2 of Figs for Sect. 3 (1 Mb)

Figures for Section 4 (2.7 Mb)

fish passage:

In an effort to evaluate which predators currently exist in the backwater pools, as well as enumerate and assess size distribution, EBRPD biologists conducted electrofishing surveys for predator fish,encountering largemouth bass and Sacramento pikeminnow (two known smolt predators).

Download the final report by WoodRogers Engineers for the Alameda County Flood Control and Water Conservation District entitled Alternatives Evaluation Report -- Lower Alameda Creek/BART Weir Fish Passage Assessment is now available.
(PDF download is 4.1 mB)

A preliminary draft design report has been completed for modifications to the concrete weir and apron at the USGS's gauge located at mouth of Niles Canyon. The full report in MS Word format (read-only) can be found here.

Draft report by WoodRogers Engineers entitled Lower Alameda Creek/BART Weir Fish Passage Assessment: Draft Alternatives Evaluation Report

Re-graded Channel Alternative for fish passage at the BART Weir. Download a summary, or contact CEMAR to receive a CD with the report (37 MB PDF).

SFPUC report Accessibility of Calaveras Reservoir Fishes, Especially Rainbow Trout (Oncorhynchus mykiss), to Arroyo Hondo During Low Water Conditions.

Final report regarding conceptual designs for removal and replacement of two crossings of Stonybrook Creek by Palomares Road (final report, 11 x 17 conceptual designs), along with a companion report describing fish passage at two private stream crossing.

Download a PDF file on the preliminary design and cost estimates for passage structures.

A Draft Environmental Impact Report (DEIR) has been prepared for the Sunol and Niles Dam Removal Project, and is now available for public review. Public hearings will be conducted in late November and early December 2005.