Local Hydrology Figure 10.1A Strathy South Wind Farm EIAR 2020

Figure 10.1c

Key Site Boundary Watercourse (OS Vectomap Local) !( Turbines SEPA Water Catchment LiDAR A 2 *# Areas - Over 100km # LiDAR B * Halladale River - Preferred Access d/s Forsinain Burn Route Loch Badanloch / Alternative Access nan Clar / Rimsdale Route Common Access River Helmsdale - Route Kinbrace Burn to sea Existing Yellow Bog Track, Surfacing to River Helmsdale - be Upgraded and Loch Badanloch to Minor Localised Kinbrace Burn Widening River Naver - sea Strathy North to Loch Naver Access Route River Strathy - The LiDAR Track Uair to sea Access Track Cut Floating Upgrade Borrow Pit Laydown Area

T69 T72 Temporary !( !( Laydown Area

T70 T1 Construction !( !( Compound *# T2 !( Substation T4 !( T6 Batching Plant T61 !( T56 !( Hardstanding !( T8 !( T52 T57 T10 !( T9 !( !( !( T50 !( T11 !( T49 T13 !( T47 !( !( T15 T17 !( T46 !( T45 !( !( T19 !( T18 T20 !( T29 !( T41 T42 !( !( !( T22 T24 T30 !( !( T39 T43 !( !( !( T26 T35 T36 !( !( !( T33 !( T28 *# !(

Scale 1:60,000 @ A3 Km 0 1 2 ±

Figure 10.1a

Figure 10.1b Local Hydrology

Strathy South Wind Farm EIAR 2020

Lochan Caithness and Buidhe Mires Sutherland Peatlands SSSI Rasmar

Site Boundary Water Crossing GF Remaining from Site Boundary 1km 2013 Buffer WX2 Water Crossing !( Turbines GF GF New to 2019

# LiDAR A * * # Watercourse T72 *# LiDAR B Abstraction T69 !( Caithness and !( Location Sutherland Peatlands Preferred Access River Naver Rasmar Route Private Water Supply - SAC Source Strathy Alternative Access Bogs Property T70 SSSI T1 Route !( !( Common Access Stream - *# Route Unconfirmed WX4 T2 !( Existing Yellow Bog Watercourse (OS GF Track, Surfacing to Vectomap Local) be Upgraded and T4 Ramsar Site WX16 !( Minor Localised Widening GF T6 Site of Special !( Scientific Interest T61 LiDAR Track !( WX5 Special Area of Access Track T56 GF Conservation !( T8 Cut !( Special Protection T57 Floating Area T52 !( T10 WX19 !( !( G F !( T9 Upgrade SEPA Water Catchment Areas - Over 100 km2 T50 WX7 Caithness and Borrow Pit !( G T11 F Sutherland Peatlands Halladale River - !( SPA Laydown Area d/s Forsinain Burn Temporary T49 T13 River Naver - sea !( T47 !( Laydown Area !( to Loch Naver T15 !( Construction River Strathy - The T17 Compound Caithness and Uair to sea T46 !( Sutherland Peatlands !( Substation Caithness and T45 Rasmar !( T19 Sutherland Peatlands !( Batching Plant Skelpick Rasmar T18 WX15 !( Hardstanding Peatlands G

Strathy F T20

SSSI WX12 Bogs * !( #

* !( # G WX9

T41 SSSI F T29

T42 GF !( * !( # T22 !( T24 T30 WX10 !( T39 WX13 !( GF !( T43 West GF !( WX11 Halladale Caithness and GF SSSI Sutherland Peatlands T26 SAC !( T35 WX14 T36 !( !( WX8 Caithness and GF !(GF T28 Sutherland Peatlands T33 !( Rasmar *# PWS04 PWS04

Scale 1:30,000 @ A3 Km 0 0.5 1 ±

Figure 10.1b Local Hydrology

Strathy South Wind Farm Lon a' Chuil SSSI EIAR 2020

PWS02 Site Boundary Water Crossing GF Remaining from Site Boundary 1km 2013 Buffer Contolled Activities Preferred Access Regulation Licensed Route Sites CAR/R/1066506 Alternative Access CAR/R/1065566 $+ Bridge Route $+ Bridging Culvert Lochan Buidhe PWS01 Common Access Mires CAR/R/1132291 $+ CAR/R/1133324 $+ CAR/R/1116991 Route Removal of River / SSSI PWS01 $+ CAR/R/1126346 $+ Loch Crossing Armadale $+ Strathy North Gorge CAR/R/1122279 $+ CAR/R/1115217 $+ $+ Access Route Sewage (Private) SSSI CAR/R/1121573 $+ $+ Primary Caithness and CAR/R/1116889 Strathy North Sutherland Peatlands .! Abstraction Private Water Supply - SAC Borehole Source CAR/R/1116989 CAR/S/1087329 Caithness and Loch - Unconfirmed CAR/R/1138008 Sutherland Peatlands Rasmar Property Stream Caithness and Caithness and Stream - Sutherland Peatlands Sutherland Peatlands Unconfirmed SPA SPA Watercourse (OS Vectomap Local) Ramsar Site .! Site of Special Scientific Interest Special Area of Conservation Special Protection West Area Halladale SSSI SEPA Water Catchment Areas - Over 100 km2 Caithness and Halladale River - CAR/R/1185008 Sutherland Peatlands d/s Forsinain Burn Rasmar River Naver - sea to Loch Naver River Strathy - The $+ Uair to sea PWS03 PWS03

WX3 GF Caithness and Sutherland Peatlands WX1 Rasmar GF

Strathy Bogs SSSI Scale 1:30,000 @ A3 Km 0 0.5 1 ±

Figure 10.1c Local Hydrology

WX2 Strathy South Wind Farm G F EIAR 2020

© Crown copyright and database rights 2020 Ordnance Survey 0100031673 Key Site Boundary Turbines LiDAR A LiDAR B Preferred Access Route Alternative Access Route Common Access Route Existing Yellow Bog Track, Surfacing to be Upgraded and Minor Localised Widening Strathy North Access Route LiDAR Track Access Track Cut Floating Upgrade Borrow Pit Laydown Area Temporary Laydown Area Construction Compound Substation Batching Plant Hardstanding Soil Type Brown earths T69 T72 Humus-iron podzols Lochs T70 T1 Peat T2 Peaty gleys T4 Peaty podzols T6 T61 T56 T8 T57 T52 T10 T9 T50 T11 T49 T47 T13 T15 T17 T46 T45 T19 T18 T29 T20 T41 T42 T22 T24 T30 T39 T43 Scale 1:50,000 @ A3 T26 Km T35 T36 T33 T28 0 1 2

Figure 10.2 Soils Mapping

Strathy South Wind Farm EIAR 2020 Soils250k copyright and database right the James Hutton Institute 2019. Used with the permission of The James Hutton Institute. All rights Reserved. © Crown copyright and database rights 2020 Ordnance Survey 0100031673 Site Boundary Turbines LiDAR A LiDAR B Preferred Access Route Alternative Access Route Common Access Route Existing Yellow Bog Track, Surfacing to be Upgraded and Minor Localised Widening Strathy North Access Route LiDAR Track Access Track Cut Floating Upgrade Borrow Pit Laydown Area Temporary Laydown Area Construction Compound Substation Batching Plant Hardstanding National Importance for Carbon-Rich Soil, Deep Peat and Priority Peatland Habitat T69 T72 CLASS 1 All vegetation cover is priority peatland habitats. All soils are carbon-rich soils and deep peat T70 T1 CLASS 2 The vegetation cover is dominated by T2 priority peatland habitats. All soils are carbon-rich soil and deep peat T4 CLASS 3 Dominant vegetation cover is not priority T6 peatland habitat but is associated with wet and T61 acidic type. Occasional peatland habitats can be T56 T8 found. Most soils are carbon-rich soils, with some areas of deep peat T57 T52 T10 T9 CLASS 4 Area unlikely to be associated with T50 peatland habitats or wet and acidic type. Area T11 unlikely to include carbon-rich soils T49 T47 T13 CLASS 5 Soil information takes precedence over T15 vegetation data. No peatland habitat recorded. May T17 also show bare soil. All soils are carbon-rich soil T46 T45 and deep peat T19 T18 Mineral soils - Peatland habitats are not typically T29 T20 found on such soils T41 T42 Non-soil (i.e. loch, built up area, rock and scree) T22 T24 T30 T39 T43 Scale 1:50,000 @ A3 T26 Km T35 T36 T33 T28 0 1 2

Figure 10.3 Peatland Classification

Strathy South Wind Farm EIAR 2020

© Crown copyright and database rights 2020 Ordnance Survey 0100031673 SiteBoundary Turbines Superficial Deposits Peat Alluvium – Clay, Silt, SandGraveland Silt, Clay, –Alluvium Alluvial Fan Deposits - Gravel, Sand, Silt andSiltFanDepositsSand, Gravel, Alluvial - Clay River Terrace Deposits RiverTerrace (Undifferentiated)– G ravel, SandSiltand Gravel, LacustrineDeposits SandandSilt Clay, - G laciofluvial DepositsSandSiltand Glaciofluvial Gravel, - Hummocky(Moundy)Deposits Glacial – Diamicton,SandGraveland Hummocky(Moundy)Deposits Glacial Sand,– G ravel and Bouldersand Gravel NotBedrockShallowbeMappedtoLikely -

T69 T72

T70 T1

T4 T6 T61 T56 T8 T57 T52 T10 T9 T50 T11 T49 T47 T13 T15 T17 T46 T45 T19 T18 T29 T20 T41 T42 T22 T24 T30 T39 T43 Scale 1:50,000 @ A3 T26 Km T35 T36 T33 T28 0 1 2

Figure 10.4 Superficial Geology

Strathy South Wind Farm EIAR 2020 Contains BGS Hydrogeological Maps of Scotland Data. Reproduced with the permission of the British Geological Survey ©UKRI. All rights Reserved. © Crown copyright and database rights 2020 Ordnance Survey 0100031673 Key Site BoundarySite Turbines Linear Feature

Fault Inferred, Displacement UnknownInferred, Fault ReverseInferred Thrust Fault, or Igneous Bedrock

Strath Halladale Granite - Granite, Biotite Granite, - Granite StrathHalladale Strath Halladale Granite - Granite, Foliated-Biotite Granite, - Granite StrathHalladale Scottish Highland Ordovician Minor Intrusion Suite –Suite Intrusion Minor ScottishOrdovician Highland Granite Scottish Highland Ordovician Minor Intrusion Suite -Suite Intrusion Minor ScottishOrdovician Highland Granite, Foliated Granite, Scottish Highland Ordovician Minor Intrusion Suite –Suite Intrusion Minor ScottishOrdovician Highland Pegmatite Unnamed Igneous Intrusion, Pre-Caledonian -Unnamed Pre-Caledonian IgneousIntrusion, Amphibolite, Schistose Amphibolite, Metamorphic and Sedimentary Bedrock - Devonian

Lower Old RedLowerSandstoneOld Conglomerate Group- and [Subequal/Subordinate] Sandstone, [Subequal/Subordinate] Interbedded Metamorphic and Sedimentary Bedrock - Silurian Clerkhill Appinite Suite – Amphibolite – Suite Appinite Clerkhill Clerkhill Appinite Suite - Diorite, Hornblende Diorite, - Suite Appinite Clerkhill Clerkhill Appinite Suite – Ultramafitite– Suite Appinite Clerkhill Metamorphic and Sedimentary Bedrock - Neoproterozoic

KirtomyGneissGneiss Semipelite, ose es- StrathyComplex Gneiss– Swordly Pelite MemberSwordly PelitePelite – T69 T72 Bettyhill Formation - GneissK-Feldspar-Augen Formation- Bettyhill ,

T70 MigmatiticPsammite Formation- Bettyhill with T1 MigmatiticSemipelite T2 Gneiss Pelite, ose Formation- Bettyhill Bettyhill Formation - Semipelite, Gneiss Semipelite, oseFormation- Bettyhill T4 T6 Gneiss MemberPelite, ose InvernaverPelite - T61 T56 Schistose Amphibolite, - Suite Bettyhill T8 Loch Coire Formation - MigmatiticPsammite Formation- Coire Loch with T57 T52 T10 T9 MigmatiticSemipelite T50 and MigmatiticPelite Formation- Coire Loch T11 MigmatiticSemipelite T49 T47 T13 Sandstone,Bighouse Formation- Conglomerate and T15 Rocks Argillaceous [Subordinate] T17 T46 PortsPsammite kerra PsammiteMigmatitic Formation- T45 T19 wMigmatiticSemipelite ith T18 LewisianComplex Metaperidotite– T29 T20 LewisianComplex Orthogneiss– T41 T42 T22 T24 GneissLewisianoid ComplexOrthogneiss - , T30 Hornblende-Bearing T39 T43 Scale 1:50,000 @ A3 T26 Km T35 T36 T33 T28 0 1 2

Figure 10.5 Solid Geology

Km Precambrian Rock Regions Underlain by Impermeable Rocks 0 5 10 1:300,000 @ A3 Key Site Boundary Aquifer in Which Flow is Virtually All Through Fractures and Other Discontinuities 2B, Moderately productive aquifer 2C, Low productivity aquifer

Figure 10.6 Regional Hydrogeology

Km 1:250,000 @ A3 Strathy South Wind Farm 0 5 10 EIAR 2020 Contains BGS Hydrogeological Maps of Scotland Data. Reproduced with the permission of the British Geological Survey ©UKRI. All rights Reserved. © Crown copyright and database rights 2020 Ordnance Survey 0100031673 Site BoundarySite Superficial Aquifer Not A SignificantAquiferA Not Bedrock Aquifer Fracture Flow; LowProductiv Flow; ity Fracture Groundwater Vulnerability in the Uppermost Aquifer Vulnerabilty Class 4a – Vulnerable to those pollutants not readily not pollutants those to Vulnerable – 4a adsorbed or transformed. May havelow transformed. or adsorbed permeability soil; less likely to have clay presenthave clay to likely less permeabilitysoil; in superficial deposits. superficial in 4b – Vulnerable to those pollutants not readily not pollutants those to Vulnerable – 4b adsorbed or transformed. More likely to have to Morelikely transformed. or adsorbed clay present in superficial deposits. superficial in present clay 5 – Vulnerable to most pollutants, with rapidwith pollutants, most to Vulnerable – 5 impactmanyin scenarios.

Km Km 0 20 40 0 1 2 4 Map Extract @ 1:750,000 A3 Superficial Aquifers @ 1:100,000 A3

Figure 10.7 Groundwater Vulnerability

Km Kilometers 0 2 4 0 2 4 Strathy South Wind Farm Bedrock Aquifers @ 1:100,000 A3 Groundwater Vulnerability in the Uppermost Aquifer @ 1:100,000 A3 EIAR 2020 Contains BGS Hydrogeological Maps of Scotland Data. Reproduced with the permission of the British Geological Survey ©UKRI. All rights Reserved. © Crown copyright and database rights 2020 Ordnance Survey 0100031673 Key Legend

Site Boundary Caithness and Sutherland Highland Rest of Scotland

Shetland and Orkney Islands

Scale 1 : 1 , 1 0 0 , 0 0 0 @ A3

Km 0 50 ±

Figure 11.1 Socio-economic Study Areas

Strathy South Wind Farm EIAR 2020

T69 T72

T70 T1

T61 T56 T8

T57 T52 T10 T9

T50 T11

T49 T13 T47 T15

T17 T46 T45 T19 T18

T20 T29

T41 T42 T22 T24 T30 T39 T43

T26 ! T35 T36 T33 T28

Scale 1 : 4 5 , 0 0 0 @ A3 Km 0 0.5 1 ±

Figure 12.1 Shadow Flicker

Strathy South Wind Farm EIAR 2020