Salt Spring Island Appendix 8, OCP Bylaw No. 434
· Salt Spring Island · Adopted Bylaws · 2008
Original Trust document
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Topics: Fresh water & aquifers — our classification, not the Trust's.
Extracted text (beginning)
CAPTURE ZONES, COMMUNITY WATER SUPPLY WELLS R. POTTER, 1996. Bylaw Referenced in Volume 1: Section D - Island Resource Management BYLAW NO. 434 APPENDIX 8 – CAPTURE ZONES, COMMUNITY WATER SUPPLY WELLS I i TO : LINDA ADAMS , ISLANDS TRUST , GANGES BC " CAPTURE ZONES " , COMMUNITY WATER SUPPLY WELLS . FOR THE ISLANDS TRUST , SALTSPRING ISLAND B . C . « BY ROBERT POTTER P . Eng . GULF ISLANDS GROUNDWATER 184 HILLCREST DRIVE SALTSPRING ISLAND B . C . V 8 K 1 Y 4 GULF ISLANDS GROUNDWATER Tel : 604 653 - 9729 JAN 26 , 1996 FILE 2408 ROBERT POTTER MScPEng GEOLOGICAL ENGINEER 184 Hillcrest Drive CONTENTS f 1.0 INTRODUCTION 2.0 LOCAL HYDROGEOLOGY 3.0 MODELS 3.1 3.2 4.0 RESULTS 4.1 4.2 4.3 4.4 4.5 4.6 4.7 5.0 CONCLUSIONS 6.0 RECOMMENDATIONS HORIZONTAL MODEL SLOPING MODEL SCOTT POINT CEDAR LANE HARBOUR VIEW MARACAIBO ESTATES CEDARS OF TUAM ERSKINE HEIGHTS MT . BELCHER ILLUSTRATIONS Figure 1 : Figure 2 : Figure 3 : Figure 4 : Figure 5 : Figure 6 : Figure 7 : Scott Point ; Modeled head values : Plan Initial , 10 day , 100 day Scott Point ; Modeled head values : Profile , Well 1 Initial Scott Point ; Modeled head values : Profi 1 e , „ Wei 1 1 10 day • Scott Point ; Modeled head values : Profile , Well 1 100 day Cedar Lane , ; Well 1 100 day capture zone at n = . 001 Cedar Lane ; Well 1 100 day capture zone at n = . 0001 Sloping Site Model Figure 8 : Scott Point ; Capture Zone on Topo and Geology Base Figure 9 : it li , / Capture Zone on Cadastral Base Figure 10 : Cedar I . ane ; Capture Zone on Topo and Geology Base Figure 11 : ft if , t Capture Zone on Cadastral Base Figure 12 : Harbour View ; Capture Zone on Topo and Geo 1 ogy Rase Figure 13 : ti » * . Capture Zone on Cadast ral Base Figure 14 : Maracaibo ; Capture Zone on Topo and Geology Base Figure 15 : II r Capture Zone on Cadastral Base Figure 16 : Cedars of Tuam ; Capture Zone on Topo and Geology Base Figure 17 : f fl M . / Capture Zone on Cadastral Base . Figure 18 : Erskine Heights ; Capture Zone on Topo and Geology Base Figure 19 : If f l . t Capture Zone on Cadastral Base Figure 20 : Mt Belcher ; Capture Zone on Topo and Geology Base Figure 211 II 1 » t / Capture Zone on Cadastral Base ) ) I 1 1.0 INTRODUCTION I Gulf IslandsGroundwater was requested by The Islands Trustto carry out a preliminary assessment ofthe capture zones of seven community water supply well systems on Saltspring Island . The systems are : Scott Point Cedar Lane Harbour View Maracaibo Estates Cedars of Tuam Erskine Heights Mt . Belcher The assessment was based on data from published geological and topographic maps and on published hydrogeological data for the rock rock types found within each community area . Available site specific dataincluded approximate well locations , drillerswell logs and bail test capacities for some wells , and average pumping rates for each system . No field work was carried out during the course ofthis project . Definition : Capture zone is herein considered to be that volu
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