Project Location MapAugust 03, 2018Datum: NAD1983

Base Layer Information: U.S. Geological Survey 7.5-Minute seriesSan Luis Dam Quadrangle, March 04, 2015Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Prepared for:U.S. Army Corps of Engineers1325 J Street, Sacramento, CA, 95814

Project Site Boundary (3,905 acres)

B.F. Sisk Dam Safety of Dams Modification Project

Enclosure 1 - Vicinity Map

SP1

D10

D11D15

D16

D12

D13

D4

D8

D19

FEW4

FEW5

LAC1

SW33SW16

SW13

D24

D35

D26

D25

D30

SW46

FEW14

FEW15FEW16

FEW17

23

17

15

16

44

121°4'30"W121°5'0"W121°5'30"W121°6'0"W

37°4

'30"N

37°4

'0"N

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)Perennial Wetland (PW)

0 1,200600Feet

±

1 inch = 0.19 miles

Enclosure 2 - Aquatic Resources Delineation Maps

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

SP1

D1

D4

D8

D5D6

D2

D17D18

D3

D14

ED1ED2

ED7IS1

LAC1

SW19

SW9SW14

SW23

SW25

SW4

SW12

SW11SW10

SW7

SW20

SW6

SW18

SW15

D24

D32

D23

D26

D33

D22

D35

D36

D30

D34

D25

D31

SW34 SW35SW36

SW37

SW38

SW41

SW42

SW43

SW44SW45

PW1

PW2

FEW14

FEW15FEW16

FEW17

ED17ED15

2323

8

109

13

1617

21

12

3 4

2930

31

3233

17

2221

34 35

3839

44

45

121°3'0"W121°3'30"W121°4'0"W121°4'30"W

37°4

'0"N

37°3

'30"N

±Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)Perennial Wetland (PW)

0 1,200600Feet

D25

D24 23

FEW14

FEW16

FEW17

FEW15

1 inch = 0.19 miles

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

SW19

SW38

SW39 SW40

ED14

ED23ED32

ED15

ED19 ED21

ED17

ED20

ED16 ED18 ED22

12

34

5

7

618

19

21

20

26

27

28

31

121°1'0"W121°1'30"W121°2'0"W121°2'30"W121°3'0"W

37°4

'0"N

37°3

'30"N

Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)Perennial Wetland (PW)

0 1,200600Feet

1 inch = 0.19 miles

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

D20

D9

D6

D2

D17D18

D3

D7

ED1ED2

ED7

FEW1FEW2

FEW3

FEW6FEW7

FEW8

FEW9

IS1

LAC1

SW22

SW21

SW24

SW25

SW26

SW27

SW28

SW29

SW30

SW31

SW32

SW4 SW12SW11

SW10

SW8

SW7

SW5

SW1

SW2

SW3

SW20

SW6

SW18D23D22

SW41

SW42

LAC4

ED24

710

9

12

3 4

18

2019

22 21

23

2524

5 67

89

1011

12

34 35

36

37

3839

4841

42

121°3'30"W121°4'0"W121°4'30"W121°5'0"W

37°3

'30"N

37°3

'0"N

37°2

'30"N

Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)Perennial Wetland (PW)

0 1,200600Feet

1 inch = 0.19 miles

D9

D21

ED10

ED11

ED12

ED8

ED5

ED6

ED9

ED3

FEW10LAC1

LAC2LAC3

SW17

SP2SP3

LAC4 FEW11

FEW12

ED30

ED27

ED26

ED28

ED29

ED25

2211

12

1415

1314

43

46

47

121°3'30"W121°4'0"W121°4'30"W37

°2'0"

N37

°1'30

"N

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)Perennial Wetland (PW)

0 600 1,200Feet1 inch = 0.19 miles

ED10ED8

ED4 ED9

ED3

LAC1

LAC2LAC3

D29D28 D27

LAC4

FEW13

ED31

12

46

121°4'30"W121°5'0"W121°5'30"W121°6'0"W

37°2

'30"N

37°2

'0"N

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)Perennial Wetland (PW)

0 1,200600Feet

1 inch = 0.19 miles

B.F. SISK DamSafety of Dams Modification ProjectAquatic Resources Delineation

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

PEW 1

ED3

ED13

47

4849

121°4'30"W121°5'0"W121°5'30"W121°6'0"W

37°1

'30"N

37°1

'0"N

Data Points 2018Data Points 2010Project Boundary 2018Project Boundary 2010Palustrine Emergent Wetland (PEW)Perennial Wetland (PW)Ditch (D)Ephemeral Drainage (ED)Fresh Emergent Wetland (FEW)Intermittent Stream (IS)Lacustrine (LAC)Non-waters mud sldSeasonal Wetland (SW)Settling Pond (SP)

0 1,200600Feet

1 inch = 0.19 miles

Figure 2. Construction, Staging, and Borrow Areas

Enclosure 3 - Project Features

FEW4

SW33SW16

SW13

FEW5

SP1

LAC1

D10

D11D15

D16

D12

D13

D4

D8

D19

FEW14FEW15FEW16

FEW17

SW46

D24

D35

D26

D25

D30

121°4'30"W121°5'0"W121°5'30"W121°6'0"W

37°4'

30"N

37°4'

0"N

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

ImpactAvoidTemporaryPermanentProject Boundary 2018

0 1,200600Feet

±

1 inch = 0.19 miles

Enclosure 4 - Aquatic Resource Impact Maps

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

SW19

SW9

SW14

SW23

SW25

SP1

SW4 SW12SW11

SW10

SW7

SW20

SW6

LAC1

SW18

SW15

D1

IS1ED1 ED2

D4

D8

D5D6

ED7

D17D18

D3

D14

FEW14FEW15FEW16

FEW17

SW34SW35SW36

SW37

SW38

SW41

SW42

SW43

SW44 SW45

PW1

PW2

D24

D32

ED17ED15

D26

D23

D33

D22

D35

D25

D36

D30

D34

D31

121°3'0"W121°3'30"W121°4'0"W121°4'30"W

37°4'

0"N37

°3'30

"N

±

0 1,200600Feet

D25

D24

FEW14

FEW16

FEW17

FEW15

1 inch = 0.19 miles

ImpactAvoidPermanentTemporaryProject Boundary 2018

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

SW19

ED14

SW38

SW39 SW40

ED23ED32

ED15

ED19ED21

ED17

ED20

ED16 ED18 ED22

121°1'0"W121°1'30"W121°2'0"W121°2'30"W121°3'0"W

37°4'

0"N37

°3'30

"N

0 1,200600Feet

1 inch = 0.19 miles

ImpactAvoidTemporaryPermanentProject Boundary 2018

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

SW22

SW21

SW24

SW25

SW26

SW27SW27

SW27

SW28SW29

SW29

SW30

FEW1

SW31

FEW2

SW32

FEW3

FEW6

FEW7

SW4

FEW8

FEW9

SW12SW11

SW10

SW8

SW7

SW5

SW1

SW2

SW3

SW20

SW6

LAC1

SW18

IS1

ED1ED2

D20

D9

D6

D2

ED7

D17D18D3

D7

LAC4

SW41

SW41

SW42

D23D22

ED24

121°3'30"W121°4'0"W121°4'30"W121°5'0"W

37°3'

30"N

37°3'

0"N37

°2'30

"N

0 1,200600Feet

1 inch = 0.19 miles

ImpactAvoidTemporaryPermanentProject Boundary 2018

FEW10

SW17

LAC1

LAC2LAC3

D9

D21

ED10

ED11

ED12

ED8

ED5

ED6

ED9

ED3

LAC4

FEW11

FEW12

SP2SP3

ED30

ED27

ED26

ED28

ED29

ED25

121°3'30"W121°4'0"W121°4'30"W37

°2'0"N

37°1'

30"N

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

0 600 1,200Feet1 inch = 0.19 miles

ImpactAvoidTemporaryPermanentProject Boundary 2018

LAC1

LAC2LAC3

ED10ED8

ED4

ED9

ED3

LAC4

FEW13

ED31

D29D28 D27

121°4'30"W121°5'0"W121°5'30"W121°6'0"W

37°2'

30"N

37°2'

0"N

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

0 1,200600Feet

1 inch = 0.19 miles

ImpactAvoidTemporaryPermanentProject Boundary 2018

B.F. SISK DamSafety of Dams Modification ProjectProject Impacts

Datum: NAD 1983Prepared by: Kaitlin Flahive, Bureau of Reclamation2800 Cottage Way, Sacramento, CA, 95825Service Layer Source Credits: ESRI, DigitalGlobe, GeoEye, Earthstar Geographics, CNE S/Airbus DS, USDA, USGS, AeroGRID, IGN

±

LAC2LAC3

ED4

ED3

ED13

LAC4

PEW1

121°5'0"W121°5'30"W121°6'0"W121°6'30"W

37°2'

0"N37

°1'30

"N37

°1'0"N

0 1,200600Feet

1 inch = 0.19 miles

ImpactAvoidTemporaryPermanentProject Boundary 2018