Agriculture Water Issues in Metro Vancouver. T.W. van der Gulik Partnership for Water Sustainability in BC

Transcription

1 Agriculture Water Issues in Metro Vancouver T.W. van der Gulik Partnership for Water Sustainability in BC

2 Agriculture and Water Issues Water Sources for Agriculture Irrigation and Livestock Water Quality Impacts due to Salinity Potable Water for Crop Washing and Food Safety Metro Vancouver Potable System Capacity Surface and Groundwater Licencing Requirements

3 Importance of Agriculture in the Metro Region Foods Group BC Consumption Million Kg s BC Production Million Kg s Dairy % Meat % Vegetables (BC Grown) % % Self Reliance Fruit (grown in BC) % Grain for Food % Total (Grown in BC) % Fruit (not able to grow in BC) 310 Vegetables (not able to grow in BC) Sugar Total - BC % 50% of all Farm Gate Receipts in BC comes from the Fraser Valley

4 Comparison Okanagan Metro Vancouver Crop Group Okanagan (ha) Metro Vancouver (ha) Area of basin 797, ,940 ALR 99,078 60,554 Ag Irrigated Land 18,416 13,070 Percent ALR Irrigated Water Source 18.5% 21.5% Surface Water 13,928 11,724 Reclaimed Water 1,054 - Groundwater 5,046 1,346 Volume 2003 (m3) 133,500,000 60,722,902

5 ALR in Metro Vancouver Cowichan Land Use

6 Land Use Inventories: Methodology Maps are created using aerial photography and GIS 9

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8 Irrigated Area by Water Source Water Source Irrigated Area (ha) Irrigation (m 3 ) Water License ,382,000 Assuming good management Water Purveyor ,957,000 Groundwater ,723,000 Total 13,070 60,713,047 20

9 Productive Aquifers in Metro Vancouver

10 Water Purveyors in Metro Vancouver

11 Metro Vancouver Irrigated Crops Crop Group Total Area (ha) Irrigation Area (ha) Irrigation (mm) 2003 Blueberries Cranberries Forage Golf Nursery Raspberries Strawberry Turf Farm Vegetables Greenhouse Total = 28,222 13,

12 Irrigation by Local Government Local Government Surface Water (ha) Ground Water (ha) Total Irrigation (m3) 2003 Burnaby ,000 Delta ,500,000 Langley ,600,000 Maple Ridge ,800 Pitt Meadows ,358,.000 Richmond ,492,000 Surrey ,233,700 Other ,969,000 Total = 11, ,723,000

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14 Appendix Table C 2003 Water by Irrigation System with Average Management Water Source Surface Water Reclaimed Water Groundwater Total Agriculture Irrigation System Irrigated Area (ha) Irrigation (m 3 ) Avg. Req. (mm) Irrigated Area (ha) Irrigation (m 3 ) Avg. Req. (mm) Irrigated Area (ha) Irrigation (m 3 ) Avg. Req. (mm) Irrigated Area (ha) Irrigation (m 3 ) Avg. Req. (mm) Drip 3, ,839, ,515, , ,354, Golfsprinkler ,580, ,687, , ,267, Gun , , Handline ,743, , ,918, Landscapespri nkler , , , Microspray 1.7 6, ,515 1, , Microsprinkler , , , Overtreedrip ,024, ,483, ,507, Pivot 2.7 4, , SDI , , Sprinkler , , Ssovertree ,407, , ,532, Sssprinkler 2, ,483, , , ,897, Ssundertree , , , Travgun 3, ,798, , , ,375, Wheelline , , , TOTALS 11, ,341, , ,381, , ,722,

15 Other Water Uses Appendix Table K 2003 Water by Animal Type Animal Type (m 3 ) Beef 206,243 While livestock water requirements are important they are small compared to irrigation. Dairy - dry 162,881 Dairy - milking 276,898 Goats 3,717 Horses 136,090 Poultry - broiler 156,342 Poultry - laying 82,769 Sheep 13,610 Swine 17,424 TOTALS 1,055,975 Additional water requirements not included in the totals are: Frost protection significant for cranberries Crop Harvesting Crop Washing

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17 Irrigation Buildout Potential Metro Vancouver Metro Vancouver AWDM Results Irrigated Buildout Potential 2003 climate Water Source Irrigated Area 2013 (Ha) Irrigated Area 2065 (ha) Water 2013 (million m3) Water 2065 (million m3) Surface , Groundwater , Total 13,070 34,

18 Climate Change Impacts on Water Region Metro Vancouver AWDM Results Water with Climate Change Irrigated Area 2013 (Ha) Water 2003 (million m3) Peak Water 2065 (million m3) Peak Percent increase Max Peak Increase Surface 11, Groundwater Total % 28%