LINCOLN ST. CATHARINES NIAGARA FALLS THOROLD PELHAM. Legend. Local Setting. Lake Gibson Thorold South. Intake

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1 ST SR V ID DA H A 58 Tw e lve M NIAGARA FALLS THOROLD STONE RD k ree D sc S R rda M D A eave ER AV E = ; = ; Thorold South = ; TH OR O LD T O NL IN E R D DAV IS RD Hwy 406 OPG Power Canal DeCew Falls TP & Main Intake D Confederation Heights ) Lake Moodie > HI G HIG H A 406 RD Esc E AV OR MO ND ST S PE AM LH a gar Nia MO UN TA IN RD ST. CATHARINES nt e arp E AL ND E GL CO LL IE R R D S LINCOLN ST ile C reek L ST PAU E GL EN RIDG E AV FIF TH LOUTH ST LOUTH ST LU ND S LA NE THOROLD = ; Intake ) > Municipal TP Priary Highway Secondary Highway HIG HA 20 OPG Diversion Other Road Control Gate Municipal oundary 20 E Fonthill N CA D OR OR E Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Copyright 2011 Stantec Consulting Ltd. ion: UTM Zone 17N NAD 1983 Assessent Report GI RE D MERRITT VILL E H N PELHAM R AL ON MC LEO D RD AL L AN PO RT RD CHIPPAA CREEK RD ell an 7.1 d Riv Port Robinson 3 er Local Setting July

2 Niagara Escarpent DeCew Falls TP > ) 1 I Lake Moodie Main Intake ;= Lower DeCew Rd Middle Diversion Channel Upper ;= Intake Type ;= Intake Rule 55) Left Class Rule 16. 3) b)) Upper Right; > ) Municipal TP Syste Type Rule 1. 1)) Lower Right Culvert ;= IPZ Cataract Rd Faywell Rd Merrittville Hwy lue arrows indicate direction of flow. Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Copyright 2011 Stantec Consulting Ltd. ion: UTM Zone 17N NAD 1983 N Assessent Report July E DeCew Falls TP IPZ Delineations - Main Intake

3 Middle ad Upper r Kotteier Road OPG Power Canal eaverdas Road OPG Diversion Intake ") Municipal TP Intake Type Rule 55) Left Class Rule 16. 3) b)) Upper Right; Syste Type Rule 1. 1)) Lower Right Culvert Railway Highway 20 Control Gate IPZ-2 Federal Lands Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Rails Natural Resources Canada. ion: UTM Zone 17N NAD 1983 N Assessent Report E DeCew Falls TP /IPZ-2 Delineations - Hwy 406 Control

4 Niagara Escarpent DeCew Falls TP & Intake ") 1 I Lake Moodie Confederation Heights eaverdas Creek Lower DeCew Road Middle Upper Intake ") Municipal TP Culvert Intake Type Rule 55) Left Class Rule 16. 3) b)) Upper Right; Syste Type Rule 1. 1)) Lower Right Kotteier Road OPG Power Canal Railway eaverdas Road OPG Diversion IPZ-2 Federal Lands Highway 20 Control Gate Notes Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Rails Natural Resources Canada. ion: UTM Zone 17N NAD 1983 Assessent Report N E DeCew Falls TP /IPZ-2 Delineations -

5 Merrittville Highway OPG Power Canal s Road OPG Diversion elland Canal Control Gate Highway 20 Intake Tie of Travel Fro Intake N Minutes E Tie of Travel fro Technical Meorandu ND-6 McCorquodale Iagery courtesy of Niagara Region. ater data courtesy of Conservation Authority. ion: UTM Zone 17N NAD Source Protection Area Assessent Report In-ater IPZ-2 for Main Intake and Control at Hwy 406

6 Merrittville Highway eaverdas Creek OPG Power Canal eaverdas Road OPG Diversion Highway 20 elland Canal Control Gate Intake Tie of Travel fro Intake Minutes N E Tie of Travel fro Technical Meorandu ND-6 McCorquodale Iagery courtesy of Niagara Region. ater data courtesy of Conservation Authority. Copyright 2013 Stantec Constulting Ltd. ion: UTM Zone 17N NAD Source Protection Area Assessent Report In-ater IPZ-2 for Alternate Intake

7 ca rp Highw Lake Moodie Confederation Heights DeC ew R oad Lower v ea a erd k ree sc " ) ay 40 6 Es ia ga ra N Ca n al Middle el la Upper nd DeCew Falls TP & Intake en t 1 2 l ana rc d oa owe GP OP Kotteier Road " ) Intake Stor Sewer Outfall OPG Diversion Highwa Railway Tile Drainage Area y Cobined /IPZ-2s 6 Control Gate 7 delineations not affected by tile drainage areas. Iagery courtesy of Niagara Region. Hydrology and stor sewer network courtesy of Conservation Authority. Rails Natural Resources Canada. ion: UTM Zone 17N NAD N 9 Assessent Report Survey Point Culvert 4 Highway E Municipal ater Treatent Plant Stor Sewer Network sr a rd e av e DeCew Falls TP IPZ Delineation Source Data

8 HIGHA 406 EAVERDAMS ROAD HIGHA 58 DAVIS ROAD elland River Old ONTARIO ROAD EAST MAIN STREET FORKS ROAD CANAL ANK STREET HIGHA 406 Spill Site D ALLANPORT ROAD HIGHA Surface ater Intake IPZ-2 IPZ-3 Also Subject To IPZ-3 Significant Threat Policies Federal Lands HIGHA Modeled Spill Location MERRITTVILLE HIGHA EST SIDEROAD Coordinate Syste: NAD 1983 UTM Zone 17N RICE ROAD NIAGARA STREET Old HIGHA 406 EAVERDAMS ROAD elland River Lake Erie KING STREET Spill Site Regional Road 3 Spill Site A Clarence Street HIGHA 3 1: Iagery produced under license with the Conservation Authority. Assessent Report Decew Falls TP IPZ-3 Delineation - Hwy 406

9 HIGHA 406 COLLIER ROAD SOUTH PINE STREET SOUTH HIGHA 58 HIGHA 58 EAVERDAMS ROAD Surface ater Intake IPZ-2 HIGHA 406 DAVIS ROAD Also Subject To IPZ-3 Significant Threat Policies Federal Lands Modeled Spill Locations HIGHA 406 Coordinate Syste: NAD 1983 UTM Zone 17N MERRITTVILLE HIGHA Spill Site D HIGHA 20 Iagery produced under license with the Conservation Authority. Assessent Report REGIONAL ROAD 20 ALLANPORT ROAD August 2013 Decew Falls TP Event-based Modelling Area -

10 ca rp Highw Lake Moodie Confederation Heights DeC 8.0 ea da ver k ree sc 6.4 ew R oad 8.0 IPZ-2 Vulnerability Score: 6.4 Main Intake ) Potential Cheical Threats Low: Provincial Table 37 CIPZE6.4L) Moderate: Provincial Table 29 CIPZE6.4M) Significant: Not Applicable nd el la 8 Vulnerability Score: 8.0 Main Intake Hwy 406 ) rc IPZ-2 Vulnerability Score: 5.6 Hwy 406 ) l ana 5.6 owe GP OP Potential Cheical Threats Low: Provincial Table 34 CIPZE8L) Moderate: Provincial Table 26 CIPZE8M) Significant: Provincial Table 22 CIPZE8S) Potential Pathogen Threats Low: Provincial Table 61 PIPZE8L) Moderate: Provincial Table 52 PIPZE8M) Significant: Provincial Table 48 PIPZE8S) Potential Pathogen Threats Low: Provincial Table 64 PIPZE6.4L) Moderate: Provincial Table 55 PIPZE6.4M) Significant: Not Applicable Kotteier Road Ca n al 6.4 " ) ay 40 6 Es ia ga ra N en t Potential Cheical Threats Low: Provincial Table 39 CIPZE5.6L) Moderate and Significant: Not Applicable 5.6 Area of overlap between Hwy 406 and IPZ-2s 5.6 / 6.4 Municipal ater Treatent Plant Notes Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. ion: UTM Zone 17N NAD 1983 Assessent Report N " ) 6.4 Highway 20 Intake Intake Protection Zone Potential Pathogen Threats Low: Provincial Table 67 PIPZE5.6L) Moderate and Significant: Not Applicable E Threat Levels of Potential Prescribed Drinking ater Threats

11 ") DeCew Falls TP Lake Moodie Main Intake Lower DeCew Rd Intake ") Municipal TP Road Roadway Corridor Potential Threat Circustances Middle Diversion Channel Upper Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Rails Natural Resources Canada. ion: UTM Zone 17N NAD 1983 Road Transport Significant: 0 Moderate: 41 Assessent Report October DeCew Falls TP Transportation Threat Corridors - Main Intake

12 406 Intake Road Major Highway Roadway Corridor Potential Threat Circustances Road Transport Significant: 0 Moderate: 41 Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Rails Natural Resources Canada. ion: UTM Zone 17N NAD 1983 eaverdas Road Assessent Report October DeCew TP Transportation Threat Corridors - Hwy 406

13 406 e DeCew Road Upper Intake ") Municipal TP Road Major Highway Roadway Corridor Potential Threat Circustances Road Transport Significant: 0 Moderate: 41 Merrittville Hwy Iagery courtesy of Niagara Region. Hydrology courtesy of Conservation Authority. Rails Natural Resources Canada. ion: UTM Zone 17N NAD 1983 Assessent Report N DeCew Falls TP Transportation Threat Corridors - October