Department ofFish andWildlife 

# regon Fish Division 3406 CherryAvenue NE Theodore R. Kulongoski, Governor Salem, OR 97303 (503) 947-6200 Fax (503) 947-6202 11lY(503) 947-6339 May 12,2009 www.dfw.state.or.us
OREGON 

### Mr. Christopher M. Wirth Fish& Wildlillt Multnomah County Vector and Nuisance Control 5235 North ColumbiaBlvd. Portland, Oregon 97203 RE: 2009 Multnomah County Pesticide Use Plan DearMr. Wirth: The Oregon Department ofFish and Wildlife has completedreview ofthe Multnomah County (County) 2009 Pesticide Use Plan (PUP) in accordance with ORS 452.140. ODFW compliments the County on providing detailed information on vector control operations, including maintaining and protecting the environment. Based onthe information you supplied, your planis approved, which includes identification of sensitive fish and wildlife areas and critical habitat for federally listed threatened fish species and mosquito managementwithin and around these areas. In addition, the following are required as part ofthe PUP approval:
• Meet annually with ODFW staffto identify any additional sensitive habitats andprotections needed, especially for native turtles. Sensitive turtle nesting areas may need seasonal protections, possibly including no mosquito treatments unless disease carrying mosquitoes are identified atthe specific location.
• As identified in MCVNC's 2009 document, 

### Description o/the Vector ControlDistrict, when applying adulticides to sensitive areas, sufficientbuffers listed mustbe maintained to ensure thatpesticides do not drift into sensitive areas. • Ifmosquito control is needed in any sensitive areas as a result ofdisease detection or outbreak, ODFWprefers use ofmicrobial larvicides.
• As indicated in your PUP, no pesticide applications may be made to Sauvie Island Wildlife Area (WA) without first consulting with Mark Nebeker, manager ofthe WA (Tel. 503-621­ 3488). In the eventofan emergency as the result ofa mosquito-borne disease outbreak and 

### Mr. Nebeker is unavailable, contact should be made in the following order: ODFW Watershed Manager, JeffBoechler (Tel. (971) 673-6005), Chris Wheaton, Regional Director (Tel. 971-673-6007), Eric Rickerson, Program Manager for Wildlife Habitat (Tel. 503-947­ 6082), orJill Zarnowitz, ODFWVector Control Plan Coordinator (Tel. 503-947-6092).

51000-801000-06• We note thatthe County stocks Gambusia affinis (western mosquitofish) and that a fish transportation pennithas been obtained. Please provide a linkto the document below or post it on MCVNC's website to ensure the public understands that gambusiamust be used onlyin aquaria (document attached): http://www.dfw.state.or.us/fish/diseaseslbackgrounder WNV gambusia.pdf. Thank you for your efforts inprotecting fish and wildlife resources while protecting human health. Ifyou have any questions, please call Jill Zamowitzor Mischa Connine (tel. 503-621­ 3488, ext. 228). Sincerely,

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# r'lJfi

Jill Zamow Water Policy Coordinator Cc: (Bye-copy) Emilio DeBess, DRS, Portland TomMurtagh, Todd Alsbury, Susan Bames, NorthWillamette Watershed District, Clackamas DonVandeBergh, Mischa Connine, Sue Beilke, North Willamette Watershed District, Sauvie Island Mark Nebeker, Manager, Sauvie Island Wildlife Area JeffBoechler, North Willamette Watershed Manager, Clackamas Rick Kepler, Fish Division