Figure C-PS-2 Slope Instability Hazards Map Series, Sonoma ...

3
The Sea Ranch Stewarts Point ? Ô A n n a p o l is R d S t ewa rts Poi nt Ska g g s S p ri n g s R d ? Ô SubArea 4 Salt Point Mendocino County Mcc l e llon Gul c h S t ew a rt s C re e k S out hF o r k Gualala R i ve r W h e a tfie ld F or k G u a la la R i ve r G u a lala R iv e r Au t hor: P RMD Ca rt og r a phy: J . Sa mu el s F i l e Nu mb e r: S : \ G I S - DATA \ P RMD_ BASE \ P RMD Depa rt m e nt P roj ec t s \ Com pre he ns i v e Pl a nni ng \ L oc a l Coa s t a l Pl a n\ Ma p mx ds \ Pu b l i c Rev i ew D ra ft \ F i gu re C - PS - 2 a _ PR . mx d Da t e: 6 / 3 / 2 0 1 9 Local Coastal Plan SubAreas 8 9 5 4 6 10 1 2 3 7 SubArea 1 The Sea Ranch North SubArea 2 The Sea Ranch South SubArea 3 Stewart's Point/Horseshoe Cove SubArea 4 Salt Point SubArea 5 Timber Cove/Fort Ross SubArea 6 High Cliffs/Muniz-Jenner SubArea 7 Duncans Mills SubArea 8 Pacific View/Willow Creek SubArea 9 State Beach/Bodega Bay SubArea 10 Valley Ford 1 inch = 1.09 miles Ê 0 1 Miles FIGURE C-PS-2a Slope Instability Hazards SubAreas 1 - 3 Not e: Ma p s c a l e a nd re prod u c t i on met hod s l i mi t pre c i s i on i n phys i c a l fe a t u res di s pl a yed . T he pa rc el s c ont a i ne d he re i n a re not i nt ended t o re pre s e nt s u rv eyed da t a . I n s om e a rea s t he Cou nt y s pa rc el b a s e i s not i n a l i g nm e nt w i t h t he c oa s t l i ne . T hi s ma p i s for i l l u s t ra t i v e pu rpos es onl y a nd d oe s not re fl ec t a l l pol i c i es . S i t e- s pe c i fi c s t u di es a re re qu i red t o d ra w pa rc el - s pe c i fi c c onc l u s i ons . A l l S l ope I ns t a b i l i t y Ha za rd l a ye rs ha v e b een c l i ppe d for c a rt og ra phi c pu rpos es . Da t a Sou rc e: Sonoma Cou nt y P RMD G I S , T he Sonoma Cou nt y L a nd s l i de Ha za rd A rea l a yer wa s ob t a i ne d from t he Ca l i forni a Depa rt m e nt of Cons erv a t i on - W i l l s , C . J . , P ere z. , F . G . , & Gu t i e rre z, C . I . , 2 0 1 , Su s c e pt i b i l i t y t o Deep- Sea t ed L a nd s l i des i n Ca l i forni a , Ca l i forni a Geol og i c a l Su rv e y, Ma p Shee t 5 8 . B l u ff E ros i on l a yer ob t a i ned from t he Pa c i fi c I ns i t u t e, Oa kl a nd , Ca l i forni a . Local Coastal Plan Slope Instability Hazards Base Map Layers SUBAREA Salt Point Parcel Coastal Zone Boundary Natural Coastline Highway Road Perennial Stream Intermittent Stream High Risk Future Bluff Erosion ROCK STRENGTH SLOPE CLASS Landslide Susceptibility [increase susceptibility: 0 X] m Permi t a nd Res ou rc e Ma na g e m e nt Depa rt m e nt 2 5 5 0 V e n t u r a A v e n u e , S a n t a R o s a , C a l i f o r n i a 9 5 4 0 3 7 0 7 - 5 6 5 - 1 9 0 FAX 7 0 7 - 5 6 5 - 1 0 3 Sonoma County

Transcript of Figure C-PS-2 Slope Instability Hazards Map Series, Sonoma ...

Page 1: Figure C-PS-2 Slope Instability Hazards Map Series, Sonoma ...

The Sea Ranch

StewartsPoint

An n a p o lis R d

S tewarts Point Skaggs Springs Rd

?ÔSubArea 4Salt Point

Mendocino County

Mcclellon Gulch

Stewarts Creek

South Fork Gualala River

W

heatfield ForkGualala River

G ualala

Riv

er

Author: P RMD Cartog raphy: J. Samue ls File Num be r: S:\GIS-DATA\P RMD_BASE\P RMD De partm e nt P rojects\Com pre he nsive P lanning \Local Coastal P lan\Map m xd s\P ublic Review Draft\Fig ure C-P S-2a_P R.m xd Date: 6/3/2019

Local Coastal Plan SubAreas

89

54

6

10

12

3

7

SubArea 1 The Sea Ranch NorthSubArea 2 The Sea Ranch SouthSubArea 3 Stewart's Point/Horseshoe Cove SubArea 4 Salt PointSubArea 5 Timber Cove/Fort Ross SubArea 6 High Cliffs/Muniz-JennerSubArea 7 Duncans MillsSubArea 8 Pacific View/Willow CreekSubArea 9 State Beach/Bodega BaySubArea 10 Valley Ford

1 inch = 1.09 milesÊ0 1

Miles

FIGURE C-PS-2aSlope Instability Hazards

SubAreas 1 - 3Note:Map scale and re prod uction m ethod s lim it precision in physical features d isplaye d .The parce ls containe d he re in are not inte nd e d to re pre se nt surve ye d d ata. In som e areas the County’s parce l base is not in alig nm e nt with the coastline. This map is for illustrative purposes only and d oe s not re fle ct all policies. Site-specific stud ies are re quire d to d raw parce l-specific conclusions. All Slope Instability Hazard laye rs have be e n clippe d for cartog raphic purposes.Data Source: Sonom a County P RMD GIS, The Sonom a County Land slid e Hazard Area laye r was obtaine d from the California De partm e nt of Conse rvation - Wills, C.J.,P e re z., F.G., & Gutie rre z, C.I., 2011, Susce ptibility to De e p-Seate d Land slid es in California, California Ge olog ical Surve y, Map She e t 58. Bluff Erosion laye r obtaine d from the P acific Insitute, Oakland , California.

Local Coastal PlanSlope Instability Hazards

Base Map LayersSUBAREA

Salt PointParcel

Coastal Zone BoundaryNatural Coastline

HighwayRoad

Perennial StreamIntermittent Stream

High Risk Future Bluff Erosion

RO CK STRENGTH

SL

OP

E C

LA

SS

Landslide Susceptibility[increase susceptibility: 0 X]m

P e rm it and Resource Manag e m e nt De partm e nt2 5 5 0 V e n t u r a A v e n u e , S a n t a R o s a , C a l i f o r n i a 95403707-565-1900 FAX 707-565-1103

Sonoma County

Page 2: Figure C-PS-2 Slope Instability Hazards Map Series, Sonoma ...

Cazadero Hwy

SubArea 3Stewarts Point/

Horseshoe Cove

SubArea 8Pacific View/Willow Creek

SubArea 7Duncans Mills

WalshLanding

Plantation

Jenner

Fort Ro ss Rd

Krus e R a n c h

Rd

King Ridge Rd

South F ork GualalaRiver

Author: P RMD Cartog raphy: J. Samue ls File Numbe r: S:\GIS-DATA\P RMD_BASE\P RMD De partm e nt P roje cts\Com pre he nsive P lanning \Local Coastal P lan\Map m xds\P ublic Revie w Draft\Fig ure C-P S-2b_P R.mxd Date: 6/3/2019

Local Coastal Plan SubAreas

89

54

6

10

12

3

7

SubArea 1 The Sea Ranch NorthSubArea 2 The Sea Ranch SouthSubArea 3 Stewart's Point/Horseshoe Cove SubArea 4 Salt PointSubArea 5 Timber Cove/Fort Ross SubArea 6 High Cliffs/Muniz-JennerSubArea 7 Duncans MillsSubArea 8 Pacific View/Willow CreekSubArea 9 State Beach/Bodega BaySubArea 10 Valley Ford

FIGURE C-PS-2bSlope Instability Hazards

SubAreas 4 - 6

1 inch = 1.5 milesÊ0 1

Miles

Local Coastal PlanSlope Instability Hazards

High Risk Future Bluff ErosionBase Map Layers

Coastal SubAreaParcel

Coastal Zone BoundaryNatural Coastline

HighwayRoad

Perennial StreamIntermittent Stream

[increase susceptibility: 0 X]m

RO CK STRENGTH

SL

OP

E C

LA

SS

Landslide Susceptibility

Note:Map scale and re prod uction m ethod s lim it precision in physical features d isplaye d .The parce ls containe d he re in are not inte nd e d to re pre se nt surve ye d d ata. In som e areas the County’s parce l base is not in alig nm e nt with the coastline. This map is for illustrative purposes only and d oe s not re fle ct all policies. Site-specific stud ies are re quire d to d raw parce l-specific conclusions. All Slope Instability Hazard laye rs have be e n clippe d for cartog raphic purposes.Data Source: Sonom a County P RMD GIS, The Sonom a County Land slid e Hazard Area laye r was obtaine d from the California De partm e nt of Conse rvation - Wills, C.J.,P e re z., F.G., & Gutie rre z, C.I., 2011, Susce ptibility to De e p-Seate d Land slid es in California, California Ge olog ical Surve y, Map She e t 58. Bluff Erosion laye r obtaine d from the P acific Insitute, Oakland , California.

Sonoma County

P e rm it and Resource Manag e m e nt De partm e nt2 5 5 0 V e n t u r a A v e n u e , S a n t a R o s a , C a l i f o r n i a 95403707-565-1900 FAX 707-565-1103

Page 3: Figure C-PS-2 Slope Instability Hazards Map Series, Sonoma ...

B o d e g a H w y

Bodega Ave

B ohemi a n H w y

Estero Americano

Salmon C reek

Russian River

DuncansMills

Sebastopol

Occidental

Carmet

SalmonCreek

BodegaBay

ValleyFord

Serenodel Mar

Marin County

Author: P RMD Cartog raphy: J. Samue ls File Num be r: S:\GIS-DATA\P RMD_BASE\P RMD De partm e nt P rojects\Com pre he nsive P lanning \Local Coastal P lan\Map m xd s\P ublic Revie w Draft\Fig ure C-P S-2c_P R.mxd Date: 6/3/2019

Local Coastal Plan SubAreas

89

54

6

10

12

3

7

SubArea 1 The Sea Ranch NorthSubArea 2 The Sea Ranch SouthSubArea 3 Stewart's Point/Horseshoe Cove SubArea 4 Salt PointSubArea 5 Timber Cove/Fort Ross SubArea 6 High Cliffs/Muniz-JennerSubArea 7 Duncans MillsSubArea 8 Pacific View/Willow CreekSubArea 9 State Beach/Bodega BaySubArea 10 Valley Ford

Base Map LayersCoastal SubArea

ParcelCoastal Zone Boundary

HighwayRoad

Perennial StreamIntermittent Stream

1 inch = 1.26 milesÊ0 1

Miles

FIGURE C-PS-2cSlope Instability Hazards

SubAreas 7 - 10

SubArea 6High Cliffs/Muniz-Jenner

Local Coastal PlanSlope Instability Hazards

High Risk Future Bluff Erosion

RO CK STRENGTH

SL

OP

E C

LA

SS

[increase susceptibility: 0 X]mLandslide Susceptibility

Sonoma County

P e rm it and Resource Manag e m e nt De partm e nt2 5 5 0 V e n t u r a A v e n u e , S a n t a R o s a , C a l i f o r n i a 95403707-565-1900 FAX 707-565-1103

Note:Map scale and re prod uction m ethod s lim it precision in physical features d isplaye d .The parce ls containe d he re in are not inte nd e d to re pre se nt surve ye d d ata. In som e areas the County’s parce l base is not in alig nm e nt with the coastline. This map is for illustrative purposes only and d oe s not re fle ct all policies. Site-specific stud ies are re quire d to d raw parce l-specific conclusions. All Slope Instability Hazard laye rs have be e n clippe d for cartog raphic purposes.Data Source: Sonom a County P RMD GIS, The Sonom a County Land slid e Hazard Area laye r was obtaine d from the California De partm e nt of Conse rvation - Wills, C.J.,P e re z., F.G., & Gutie rre z, C.I., 2011, Susce ptibility to De e p-Seate d Land slid es in California, California Ge olog ical Surve y, Map She e t 58. Bluff Erosion laye r obtaine d from the P acific Insitute, Oakland , California.