Table of Contents Table of Contents................................................................................................................................. (i) List of Tables...................................................................................................................................... (iii) List of Figures..................................................................................................................................... (iii) List of Appendices.............................................................................................................................. (iv) 1.0 INTRODUCTION.....................................................................................................................1 2.0 GENERAL WATERSHED INFORMATION ......................................................................2 2.1 Geography and Morphology.............................................................................................................................2 2.2 History and Development..................................................................................................................................2 2.3 Climate................................................................................................................................................................2 2.4 Geology and Groundwater................................................................................................................................2 2.5 Significant Drainage Areas ...............................................................................................................................3 3.0 HYDROLOGY.........................................................................................................................6 3.1 Precipitation .....................................................................................................................................................6 3.2 Hydrometric Information .................................................................................................................................7 3.2.1 Roy Creek ..................................................................................................................................................10 3.2.2 Millard Creek.............................................................................................................................................12 3.2.3 Bonner Creek .............................................................................................................................................12 3.2.4 Perseverance Creek....................................................................................................................................13 3.2.5 Comox Lake...............................................................................................................................................13 3.2.6 Morrison Creek ..........................................................................................................................................15 3.2.7 Browns River .............................................................................................................................................16 3.2.8 Puntledge River..........................................................................................................................................17 3.2.9 Tsolum River .............................................................................................................................................19 3.2.10 Courtenay River.......................................................................................................................................21 3.3 Low Flows.........................................................................................................................................................22 4.0 INSTREAM FLOW REQUIREMENTS..............................................................................24 4.1 Roy Creek.........................................................................................................................................................25 (i) 4.2 Millard Creek...................................................................................................................................................27 4.3 Bonner Creek ...................................................................................................................................................27 4.4 Perseverance Creek .........................................................................................................................................28 4.5 Comox Lake .....................................................................................................................................................29 4.6 Morrison Creek................................................................................................................................................30 4.7 Browns River....................................................................................................................................................31 4.8 Puntledge River................................................................................................................................................32 4.9 Tsolum River....................................................................................................................................................34 4.10 Courtenay River.............................................................................................................................................34 5.0 WATER DEMAND ................................................................................................................36 5.1 Licenced Demand..............................................................................................................................................36 5.2 Projected Demand ............................................................................................................................................38 6.0 CONCLUSIONS AND RECOMMENDATIONS................................................................40 6.1 Waterworks......................................................................................................................................................42 6.2 Domestic ...........................................................................................................................................................42 6.3 Industrial ..........................................................................................................................................................43 6.4 Power .................................................................................................................................................................44 6.5 Irrigation ..........................................................................................................................................................45 6.6 Conservation ....................................................................................................................................................48 6.7 Land Improvement..........................................................................................................................................48 6.8 Storage ..............................................................................................................................................................48 6.9 Allocation Plan Revision .................................................................................................................................49 REFERENCES..............................................................................................................................51 (ii) List of Tables List of Figures FIGURE 1 COURTENAY RIVER WATER ALLOCATION PLAN AREA................................................................4 FIGURE 2 COURTENAY RIVER WATER ALLOCATION PLAN SIGNIFICANT DRAINAGE AREAS..............5 FIGURE 3 CUMBERLAND PRECIPITATION ............................................................................................................6 FIGURE 4 DISCHARGE MEASUREMENT STATIONS ...........................................................................................9 FIGURE 5 ROY CREEK AT THE MOUTH MEAN MONTHLY DISCHARGE ......................................................11 FIGURE 6 COMOX LAKE NATURAL MEAN MONTHLY OUTFLOW................................................................15 FIGURE 7 BROWNS RIVER (08HB025) MEAN MONTHLY DISCHARGE..........................................................17 FIGURE 8 PUNTLEDGE RIVER (08HB006) MEAN MONTHLY DISCHARGE....................................................18 FIGURE 9 PUNTLEDGE RIVER DISCHARGE ........................................................................................................19 FIGURE 10 TSOLUM RIVER (08HB011) MEAN MONTHLY DISCHARGE.........................................................21 FIGURE 11 COURTENAY RIVER MEAN MONTHLY DISCHARGE....................................................................22 FIGURE 12 ROY CREEK MEAN MONTHLY DISCHARGE...................................................................................25 FIGURE 13 FISH HABITAT INFORMATION...........................................................................................................26 FIGURE 14 MILLARD CREEK MEAN MONTHLY DISCHARGE.........................................................................27