Fish passage barrier and surface water diversion screening assessment and prioritization manual
fish passage, diversion, manual, dams, fishways, structures, barriers
Washington Department of Fish and Wildlife
This manual was originally written in 1998 to provide a standardized methodology forevaluating fish passage at road crossings. The manual has since been expanded to includeevaluation of additional instream features, including dams, fishways, other human-made instreamstructures, natural barriers, and surface water diversions. Revisions to the prior version of thismanual (August 2000) are summarized in Table 1.1. A glossary of words, terms, andabbreviations used in this manual can be found in Appendix A.
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