| Abstract/Description or Keywords |
The general objective of the watershed assessment procedure (WAP) is to identify and evaluate hydrologic risks of forest development, and to provide guidance on avoiding or minimizing risks to water quality and aquatic habitat. Oyama Creek (Figure 1) is the Community Watershed that supplies domestic and irrigation water for the town of Oyama, B.C. The water system, including the intake on Oyama Creek, is operated by the Wood Lake Improvement District (now part of the District of Lake Country). Forest tenure on Crown Land in the watershed is held by Tolko Industries Ltd., Lavington Division ("Tolko"), Kal Pine Products Ltd ., and M.L. Loyst. As a Community Watershed, watershed assessments are required under the Forest Practices Code of British Columbia Act to be completed every three years. A number of assessments for Oyama Creek were completed in 1996 by Dobson Engineering Ltd. ("Dobson Engineering"), followed by rehabilitation work funded by Forest Renewal B.C. (see Section 2 .0 below) . In March 1999, Tolko initiated an update of the watershed assessment, to be completed in two phases: 1) Office Calculations and Interim Report; 2) Field Investigations and Final Report. The interim watershed assessment report, presenting the WAP Watershed Report Card that shows the results of the office calculations and recommendations for field assessments, was completed in March 1999 (Summit, 1999). The results were reviewed by Mr. Jack Allingham of the Wood Lake Improvement District and by representatives of the Ministries of Forests and Environment, Lands and Parks (MOF and MELP) at that time. In addition, we spoke with Mr. Allingham before initiating the field work. The fieldwork for Phase 2 was completed in September 1999 . The Watershed Report Card indicators were updated according to the most recent guidebook that was released in April 1999 (MOF and MELP, 1999). This document is the final report and presents the results of both the office and field investigations. Please find the map attachment for the Oyama Creek Watershed Assessment- 1999. watershed assessment, sediment, erosion, ECA, peak flow, water quality, aquatic habitat |
