500000 510000 520000

Legend (! Streamflow Monitoring Station − Watercourse Road Elevation Contour (10 m) 5910000 5910000 Waterbody Local Study Area Reserve Watersheds Caution Creek Watershed Caution Creek East Watershed Caution Creek South Watershed 101 Ravine Watershed West Perimeter Ravine Watershed West Ravine Watershed Central-East Ravine Watershed East Ravine Watershed Duke Ravine West Watershed Duke Ravine Watershed FaLC Ravine Watershed E n Wapiti Ravine Watershed g l is h English Creek Watershed 5900000 5900000 D W u a k k p e e i re ti C R C a r n F vi ee o a n i e k Rive t lC r u R R a E a a a v v C s in in t e e (! English Creek R W a v e in (! Caution Creek s e W t

e R 20241 s (! t a East Ravine P v i e n Kilometres r im e Scale: 1:100,000 e te r R (! a Stream E v in vine e 101 Ra (! 101 Ravine Reference Base data: NRCan National Road Network NTS 1:50,000 scale: GeoSask / Boundaries: GeoSask S a CLIENT: s k a tc h e w a n PROJECT: Star - Orion South Diamond Project Tributary Basins and Streamflow Monitoring Stations 5890000 5890000 in the Hydrology Local Study Area DATE: ANALYST: December 2010 NH Figure

JOB No: QA/QC: PDF FILE: JAMES SMITH SX0373302 GB Fig Baseline Basins & Stations 10-12-10.pdf

CREE NATION GIS FILE: Fig Baseline Basins & Stations.mxd

PROJECTION: DATUM: 500000 510000 520000 UTM Zone 13 NAD27 S:\Gis\Projects\SX\Shore_Gold\ArcGIS Projects\Water_Quality\Fig Baseline Basins & Stations.mxd & Basins Baseline Projects\Water_Quality\Fig S:\Gis\Projects\SX\Shore_Gold\ArcGIS 380000 400000 420000 440000 460000 480000 500000 520000 540000 560000 580000 600000 ! ( 05KE010 Legend W h .! Candle i Project Location Gu te ll C B Lake re G (! ek a Meteorological Station ul ile 5960000 5960000 T o l Candle r y (! c Cr WSC Station Lake h R ee C iv k r − e e e T (! Watercourse r k 05KE003

o

r c Waterbody

h Population Centre H o dard w Be Tobin Regional Study Area a r Harper Lake 5940000 d 5940000 r Lake e Birchbark K S iv tu e r Lake C l R Debden ge re s o ek e n Northside y C Smeaton 05KE007 r Tobin Lake

Paddockwood e Garrick C Love

e Shipman (!

k Snowden r

Choiceland e e

Meath Park Weirdale k White Fox (! 5920000 5920000 05KE005 Albertville 05KD001 (! R Nipawin iv e r En 4075518 (! k g M e lis ista e h C was r er is r iv C ee R Carrot River R k iver wan Holbein .! tche aska 5900000 5900000 Shellbrook Crutwell (! Star - Orion South Diamond Project S 05GG001 (! 4056240 er Aylsham er Prince Riv Riv r Parkside Albert k the R ea iver L Arborfield r Gronlid e k e e D e River t r Carro Zenon Park d C n e M 5880000 5880000 R Pe Ridgedale a on e Fairy Glen Leask w l a f

n t e Macdowell o

h o r

Weldon r t c t r C a

k k r Brancepeth Ca e s e e

a e

Kinistino r k S Hagen Marcelin C St. Louis Beatty Tisdale 5860000 5860000 Hoey Eldersley Melfort Star City Crooked River g Valparaiso in t (! h n 4055079 rt Duck Lake u o Crystal Springs h N Domremy e St. Isidore-de- s 10010205 Meskanaw o Bellevue o Yellow Creek G Kilometres Tway Laird Scale: 1:750,000 Domremy Beach Sylvania 5840000 5840000 Waldheim Basin St. Brieux Ri Lake ve Reference B r arr Base data: NRCan National Road Network h Pleasantdale ier t St. Benedict NTS 1:50,000 scale: GeoSask ou S Hepburn CLIENT: Hague Lake 5820000 5820000 Lenore Lac Vert Blumenthal Cudworth Middle Lake Neuanlage PROJECT: Pilger Star - Orion South Diamond Project Neuhorst Naicam Buffer Lake Lenore Osler Lake Dalmeny Aberdeen Hydrometric Stations Within Hydrology 5800000 5800000 Warman Prud'homme Annaheim Spalding Vonda Regional Study Area Vicinity Rose Valley DATE: ANALYST: Bruno November 2010 NH Figure

JOB No: QA/QC: PDF FILE: SX0373302 GB Fig5.2.6-2 Hydrometric Stations 10-12-08.pdf Humboldt Muenster Fosston GIS FILE: 05HG001 Englefeld Kelvington (! St. Gregor Fig5.2.6-2 Hydrometric Stations.mxd 5780000 5780000 PROJECTION: DATUM: UTM Zone 13 NAD27 S:\Gis\Projects\SX\Shore_Gold\ArcGIS Projects\Water_Quality\Fig5.2.6-2 Hydrometric Stations.mxd Hydrometric Projects\Water_Quality\Fig5.2.6-2 S:\Gis\Projects\SX\Shore_Gold\ArcGIS 380000 400000 420000 440000 460000 480000 500000 520000 540000 560000 580000 600000 S TAR-ORION S OUTH D IAMOND P ROJECT E NVIRONMENTAL I MPACT S TATEMENT

East Ravine English Creek 0.14 0.45

0.4 0.12

0.35

0.1 0.3 /s) /s) 3 3 (m (m

0.08 0.25

2005 2005 Discharge Discharge

2006 0.2 2006 0.06 2007 2007 Monthly Monthly 0.15

0.04

0.1

0.02 0.05

0 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Month Monthly

Caution Creek 101 Ravine 0.6 0.14

0.12 0.5

0.1

0.4 /s) 3 /s) 3

(m 0.08

(m

0.3 2005 2005 Discharge

Dishcarge 2006 2006 0.06 2007 2007 Monthly Monthly

0.2 0.04

0.1 0.02

0 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Month Month

White Gull Creek 14

12

10 /s) 3

(m 8

2005 Discharge 2006 6 2007 Monthly

4

2

0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly

Figure 5.2.6-3: Representative Stream Hydrographs

SX03733 – Section 5.0 December 2014

S TAR-ORION S OUTH D IAMOND P ROJECT E NVIRONMENTAL I MPACT S TATEMENT

1600 Maximum 1400 Average 1200 Minimum /s) 3 1000

800

600 Discharge (m Discharge 400

200

0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Note: Based on Data from the North Saskatchewan River at Prince Albert (05GG001) and the South Saskatchewan River at Saskatoon (05HG001), 1969–2009.

Figure 5.2.6-4: Mean Monthly Flows for the Project Area

SX03733 – Section 5.0 December 2014

S TAR-ORION S OUTH D IAMOND P ROJECT E NVIRONMENTAL I MPACT S TATEMENT

1500 January February 1200 March April /s) 3 May 900 June July 600 August September Discharge (m 300 October November December 0 0 20406080100 Percent Equalled to or Exceeded (%)

Note: Based on Data from the North Saskatchewan River at Prince Albert (05GG001) and the South Saskatchewan River at Saskatoon (05HG001), 1969–1986; 1992–2009.

Figure 5.2.6-5: Monthly Flow Duration Curves for the Project Area

SX03733 – Section 5.0 December 2014

S TAR-ORION S OUTH D IAMOND P ROJECT E NVIRONMENTAL I MPACT S TATEMENT

100

1:2 year /s) 3 10 (m

y = 0.0033x1.0785 R² = 0.9045 Discharge

River

Whitefox Instantaneous

Gull Creek

1 Maximum White Creek Kelsey 0.1 100 1000 10000 2 Effective Drainage Area (km )

Figure 5.2.6-6: Regional Flood Frequency Curve for the 1:2 year Flood

SX03733 – Section 5.0 December 2014

S TAR-ORION S OUTH D IAMOND P ROJECT E NVIRONMENTAL I MPACT S TATEMENT

18.0

5 16.0 y = ‐3.447ln(x) + 32.822 10 14.0 Flood

y = ‐2.806ln(x) + 27.337 20 Annual 12.0 50 Median

to 10.0 100 y = ‐1.874ln(x) + 19.223 Flood

8.0 Period

y = ‐1.159ln(x) + 12.802 Return 6.0 Given

of

4.0

Ratio y = ‐0.513ln(x) + 6.6817

2.0 Low valuesfor all return periods at White Gull Creek are excluded 0.0 10 100 1000 10000

Drainage Area (km2)

Figure 5.2.6-7: Ratio of Given Return Period Flood to Median Annual Flood

SX03733 – Section 5.0 December 2014