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# Requirement or Solution <br /> Yes!No <br /> 7 If mechanized access is required and existing recreational paths are not sufficient <br /> establish points of intermittent access instead of constructing a continuous paved <br /> or gravel road. <br /> 4.6 Fish Screens and <br /> Diversion of Water <br /> j Potential Issues <br /> The amount, duration, and variability of flow in a river or stream is a key tom onent o <br /> p f the habitat for <br /> fish and other aquatic species. Removing water or otherwise alterin str <br /> impair spawning, migration, feeding, or other essential behavioral patterns. <br /> Wat may significantly <br /> often remove a portion of the flow from the river or stream Burin er supply diversions <br /> flows can contribute to an increase in water temperature that may ex eed the t leran the year. Reduced <br /> aquatic species. In addition, small fish such as juvenile salmon or fry can be drawn into sensitive <br /> intakes and become "entrained" in the diversion and distnbu ' <br /> ater diversion <br /> killed. The potential for fish to become entrained depends on wh therlthe i takeis screened an~ ured or <br /> <br /> i characteristics of the diversion (e.g., water velocity at the intake, the size and swi the <br /> encountering the intake, and the relative volume of the stream or river that ' ~nmmg abilities offish <br /> and USFWS regard entrainment as direct take offish. is diverted). NOAA Fisheries <br /> Ke Question <br /> .Key Question <br /> 1 For this project, will water be diverted by intakes from asalmon- l"c ~/1 O <br /> body? bearing water <br /> If you answered `YES', proceed with the Potential Requirements and Solutions table below. I <br /> answered `NO', move to Section 4.7. f you <br /> i <br /> Potential Re uirements and Solutions j <br /> # Requiremenior Solution <br /> Ycs/No <br /> 1 Install state-of-the-art fish screens to avoid or reduce entrainment losses to <br /> acceptable levels. Suggested references are: <br /> • For intake screening criteria, refer to NOAA Fisheries' Juvenile Fish <br /> Screening Criteria, Northwest Region (revised Feb. 1995 with addendum <br /> May 1996) (http://www.nwr.noaa.gov/Isalmon/salmesa/pubs/nmfscritpd ' <br /> • NOAA Fisheries' Juvenile Fish Screen Criteria for Pump Intakes Ma 199 <br /> ( Y 6) <br /> (http. //www. nwr, noaa.gov/1 hydrop/pumpcritl. htm) <br /> • NOAA Fisheries Designing Fish Screens for Fish Protection at Water <br /> Diversions (June 1996) <br /> i <br /> (http://www.nwr.noaa.gov/I hydrop/hydroweb/dots/usfws 97.htm) <br /> I <br /> Guidelines for Salmon 4-19-04 <br /> i <br /> Page 16 <br /> _ _ <br /> _ <br /> _ _ <br /> <br />