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Legend (DWR_HYDROLOGY)

FEMA Panel Index (1)
FEMA Cross Sections (2)
FEMA BFE (3)
A ZONE SECTIONS NAVD 1988 (4)
A ZONE SECTIONS NGVD 1929 (5)
FEMA Floodway (6)
FEMA 100 and 500 Year Floodplain (7)
A A
A99 A99
AE AE
AH AH
AO AO
X-500 100-Year Less than 1 Ft X-500 100-Year Less than 1 Ft
X Protected by Levee X Protected by Levee
X-500 Year X-500 Year
FEMA Pre-DFIRM Panel Index (9)
FEMA Pre-DFIRM 100 and 500 year Floodplains (10)
A A
A99 A99
AE AE
AH AH
AO AO
500-Year 500-Year
<all other values> <all other values>
Local Floodzone (18)
LOMC (16)
A A
A99 A99
AE AE
AH AH
LOMR (45)
200 year Floodplain Contours (12)
200 year Riverine Floodplain Contours (13)
Levees (14)
CA DWR 200 year Floodplain (15)
200 year Floodplain 200 year Floodplain
200 year Riverine Floodplain 200 year Riverine Floodplain
Approximate 200 year Floodplain outside the SOI Approximate 200 year Floodplain outside the SOI
Repetitive Loss Areas (20)
FEMA Levees (30)
Water Sheds (19)
200-Year ULOP Applicability Area - Non-Levee Protected (32)
200-Year ULOP Applicability Area - Levee Protected (33)
Natomas 100 Year WSEs NAVD (36)
100YR Floodplain Natomas Interior Drainage Study (37)
Natomas 200 Year WSEs NAVD (39)
200YR Floodplain Natomas Interior Drainage Study (40)
Proposed Tunnel (22)
Proposed Tunnel Proposed Tunnel
Delta Tunnel Features (23)
Proposed Intakes Proposed Intakes
Proposed Permanent Surface Impact Proposed Permanent Surface Impact
Proposed Temporary Surface Impact Proposed Temporary Surface Impact
Proposed Reusable Tunnel Material Area Proposed Reusable Tunnel Material Area
Proposed Forebay  Proposed Forebay
Proposed Forebay Embankment  Proposed Forebay Embankment
Restoration Opportunity Areas (24)
Conservation Zones (25)
Conservation Zone 1 Conservation Zone 1
Conservation Zone 2 Conservation Zone 2
Conservation Zone 3 Conservation Zone 3
Conservation Zone 4 Conservation Zone 4
Conservation Zone 5 Conservation Zone 5
Conservation Zone 6 Conservation Zone 6
Conservation Zone 7 Conservation Zone 7
Conservation Zone 8 Conservation Zone 8
Conservation Zone 9 Conservation Zone 9
Conservation Zone 10 Conservation Zone 10
Conservation Zone 11 Conservation Zone 11
Sacramento-San Joaquin Delta (26)
Delta Primary Zone Delta Primary Zone
Delta Secondary Zone Delta Secondary Zone
Reclamation Districts (28)
Andrus Island Andrus Island
Brannan Island Brannan Island
Cosumnes Cosumnes
Deadhorse Island Deadhorse Island
Ehrhardt Club Ehrhardt Club
Glannville Tract Glannville Tract
Grand Island Grand Island
Libby McNeil Libby McNeil
Lower Andrus Island Lower Andrus Island
McCormack Williamson Tract McCormack Williamson Tract
Natomas Natomas
Pierson District Pierson District
Scribner District Scribner District
Sherman Island Sherman Island
Sutter Island Sutter Island
Twitchell Island Twitchell Island
Tyler Island Tyler Island
Upper Andrus Island Upper Andrus Island
Walnut Grove Walnut Grove
Resource Conservation Districts (29)
Florin Resource Conservation Florin Resource Conservation
Lower Cosumnes Resource Conservation Lower Cosumnes Resource Conservation
Sloughhouse Resource Conservation Sloughhouse Resource Conservation
Hydromodification Applicability - Creeks (43)
Fully Lined  Fully Lined
Lined Banks Only  Lined Banks Only
Lined Bed Only  Lined Bed Only
Unlined but Modified  Unlined but Modified
Natural  Natural
Hydromodification Applicability- Water Sheds (44)
Applicable (See Note)  Applicable (See Note)
Not Applicable  Not Applicable
HMGP (50)
Phase 1 - HMGP DR4240-PJ00027 Phase 1 - HMGP DR4240-PJ00027
Phase 2 - HMGP DR3401-PJ00232 Phase 2 - HMGP DR3401-PJ00232
Rainfall Alert Sites (52)
Stream Alert Sites (53)