Naches River Water Treatment Plan Intake Screening Project

Naches River Water Treatment Plan Intake Screening Project (BPA #25031) Sponsored By: City of Yakima Presented By: Paul Wagner Golder Associates Inc. May 14, 2001

Research Need Subbasin Summary > Objective 12. “. . . construct fish screening facilities as necessary to protect the fisheries resources…” > Fish and Wildlife Needs. . . “Prevent fish mortalities, including those of ESA-listed salmonids, caused by the Naches River Water Treatment Plant Intake systems. ”

Acknowledgements < Dueane Calvin & Dave Brown - City of Yakima < Ron Foreman & WTP staff - City of Yakima < Field Office Staff – US BOR < Paul Walker – Carollo Engineers < John Easterbrooks - WDFW < Melissa Jundt - NMFS < Eugene Yaremeo - Northwest Hydraulic Consultants < Mike Matson - RMC Engineers

Objectives 1. Screen Naches River Water Treatment Plant raw water intake. > Task 1 a. Final Engineering Design. > Task 1 b. Construction.

Yakima’s Existing Diversion Facilities Railroad Waste Ditch Hwy 12 Power Plant Discharge Headwall Structure Rock Groin Naches River Intake Channel Wall Intake Structure Spillway

Facility Deficiencies River overflows wall at high flow Overflow attracts adult salmon Power plant discharges No screens ice in winter Debris, sediment, and ice settle here

Project Approach Kick-Off • Assess Existing Facilities • Identify Upgrade Requirements Technical Work Group Secure Funding Predesign • Evaluate Alternatives • NMFS, WDFW, COE, County Involvement • Preferred Alternative • BPA • SRFB • City Funds Yakama Nation Permitting • JARPA • ESA • SEPA Technical Work Group Final Design Construction

Key Issues Securing Funding Working within River Constraints Enhancing Riverbank Habitat Improving Operations and Maintenance Achieving NMFS Screening Criteria

Proposed Intake Upgrades

Proposed Intake Upgrades