VOLUME 4 OF 4
YORK COUNTY, MAINE
(ALL JURISDICTIONS)
COMMUNITY NAME
ACTON, TOWN OF
NUMBER
230190 230191 230192 230144 230145 230146 230147 230148 230149 230150 230151 230170 230171 230193 230194 230152 230195 230196 230197
- COMMUNITY NAME
- NUMBER
- OGUNQUIT, TOWN OF
- 230632
- ALFRED, TOWN OF
- OLD ORCHARD BEACH, TOWN OF 230153
ARUNDEL, TOWN Of BERWICK, TOWN OF BIDDEFORD, CITY OF BUXTON, TOWN OF CORNISH, TOWN OF DAYTON, TOWN OF ELIOT, TOWN OF
PARSONSFIELD, TOWN OF SACO, CITY OF
230154 230155 230156 230198 230157 230199 230158 230159
SANFORD, CITY OF SHAPLEIGH, TOWN OF SOUTH BERWICK, TOWN OF WATERBORO, TOWN OF WELLS, TOWN OF
- HOLLIS, TOWN OF
- YORK, TOWN OF
KENNEBUNK, TOWN OF KENNEBUNKPORT, TOWN OF KITTERY, TOWN OF LEBANON, TOWN OF LIMERICK, TOWN OF LIMINGTON, TOWN OF LYMAN, TOWN OF NEWFIELD, TOWN OF NORTH BERWICK, TOWN OF
EFFECTIVE:
FLOOD INSURANCE STUDY NUMBER 23005CV004A
Version Number 2.3.2.1
TABLE OF CONTENTS
Volume 1
Page
- SECTION 1.0 – INTRODUCTION
- 1
122
20
1.1 1.2 1.3 1.4
The National Flood Insurance Program Purpose of this Flood Insurance Study Report Jurisdictions Included in the Flood Insurance Study Project Considerations for using this Flood Insurance Study Report
- SECTION 2.0 – FLOODPLAIN MANAGEMENT APPLICATIONS
- 31
31 43 44 44 45 45 46 47 48
2.1 2.2 2.3 2.4 2.5
Floodplain Boundaries Floodways Base Flood Elevations Non-Encroachment Zones Coastal Flood Hazard Areas 2.5.1 Water Elevations and the Effects of Waves 2.5.2 Floodplain Boundaries and BFEs for Coastal Areas 2.5.3 Coastal High Hazard Areas 2.5.4 Limit of Moderate Wave Action
- SECTION 3.0 – INSURANCE APPLICATIONS
- 49
49 51
3.1 3.2
National Flood Insurance Program Insurance Zones Coastal Barrier Resources System
- SECTION 4.0 – AREA STUDIED
- 51
51 52 54 57
4.1 4.2 4.3 4.4
Basin Description Principal Flood Problems Non-Levee Flood Protection Measures Levees
- SECTION 5.0 – ENGINEERING METHODS
- 58
58 78
106 110 111 111 112 123
5.1 5.2 5.3
Hydrologic Analyses Hydraulic Analyses Coastal Analyses 5.3.1 Total Stillwater Elevations 5.3.2 Waves 5.3.3 Coastal Erosion 5.3.4 Wave Hazard Analyses
- Alluvial Fan Analyses
- 5.4
i
TABLE OF CONTENTS - continued
Volume 1 - continued
Figures
Page
Figure 1: FIRM Index Figure 2: FIRM Notes to Users
23 24
- Figure 3: Map Legend for FIRM
- 27
- Figure 4: Floodway Schematic
- 43
Figure 5: Wave Runup Transect Schematic Figure 6: Coastal Transect Schematic
46 48
Figure 7: Frequency Discharge-Drainage Area Curves Figure 8: 1% Annual Chance Total Stillwater Elevations for Coastal Areas Figure 9: Transect Location Map
76
110 121
Tables
Page
- Table 1: Listing of NFIP Jurisdictions
- 2
33 50 51 52
Table 2: Flooding Sources Included in this FIS Report Table 3: Flood Zone Designations by Community Table 4: Coastal Barrier Resources System Information Table 5: Basin Characteristics
- Table 6: Principal Flood Problems
- 52
- Table 7: Historic Flooding Elevations
- 54
Table 8: Non-Levee Flood Protection Measures Table 9: Levees
54 57
- Table 10: Summary of Discharges
- 64
Table 11: Summary of Non-Coastal Stillwater Elevations Table 12: Stream Gage Information used to Determine Discharges Table 13: Summary of Hydrologic and Hydraulic Analyses Table 14: Roughness Coefficients Table 15: Summary of Coastal Analyses Table 16: Tide Gage Analysis Specifics Table 17: Coastal Transect Parameters Table 18: Summary of Alluvial Fan Analyses Table 19: Results of Alluvial Fan Analyses
77 78 89
105 107 111 113 123 123
Volume 2
- SECTION 6.0 – MAPPING METHODS
- 124
124 125 126 190
6.1 6.2 6.3 6.4
Vertical and Horizontal Control Base Map Floodplain and Floodway Delineation Coastal Flood Hazard Mapping
ii
TABLE OF CONTENTS - continued
Volume 2 - continued
- 6.5
- FIRM Revisions
- 200
200 200 201 202 202 202
6.5.1 Letters of Map Amendment 6.5.2 Letters of Map Revision Based on Fill 6.5.3 Letters of Map Revision 6.5.4 Physical Map Revisions 6.5.5 Contracted Restudies 6.5.6 Community Map History
- SECTION 7.0 – CONTRACTED STUDIES AND COMMUNITY COORDINATION
- 204
204 213
7.1 7.2
Contracted Studies Community Meetings
- SECTION 8.0 – ADDITIONAL INFORMATION
- 217
- 219
- SECTION 9.0 – BIBLIOGRAPHY AND REFERENCES
Tables
Page
Table 20: Countywide Vertical Datum Conversion Table 21: Stream-Based Vertical Datum Conversion Table 22: Base Map Sources Table 23: Summary of Topographic Elevation Data used in Mapping Table 24: Floodway Data
124 125 126 127 128
190
Table 25: Flood Hazard and Non-Encroachment Data for Selected Streams Table 26: Summary of Coastal Transect Mapping Considerations Table 27: Incorporated Letters of Map Change Table 28: Community Map History Table 29: Summary of Contracted Studies Included in this FIS Report Table 30: Community Meetings Table 31: Map Repositories Table 32: Additional Information Table 33: Bibliography and References
187 191 201 203 205 214 217 219 220
iii
TABLE OF CONTENTS - continued
Volume 3 – continued
Exhibits
Flood Profiles
Batson River
Panel
01-02 P
Blacksmith Brook Bridges Swamp
03 P 04 P
Cape Neddick River Chickering Creek Cider Hill Creek
05-06 P
07 P
08-09 P
- 10 P
- Coffin Brook
Coffin Brook Tributary 1 Cooks Brook Day Brook
11-12 P 13-16 P
17 P
- Depot Brook
- 18 P
Dolly Gordon Brook Driscoll Brook Ferguson Brook
19-20 P 21-22 P 23-24 P
- 25 P
- Fuller Brook
- Goodall Brook
- 26 P
Goosefare Brook Great Works River Green Brook
27-29 P 30-41 P 42-43 P
- 44 P
- Hill Creek
- Josias River
- 45 P
- Keay Brook
- 46-47 P
48-53 P 54-66 P 67-70 P
71 P
Kennebunk River Little Ossipee River Little River (Town of Berwick) Little River (Town of Cornish) Little River (Town of Kennebunk) Little River
72 P
73-74 P 75-78 P
79 P
Littlefield River Merriland River (Lower Reach) Merriland River (Upper Reach) Middle Branch Mousam River Mill Brook
80 P 81 P 82 P
- Moors Brook
- 83 P
iv
TABLE OF CONTENTS - continued
Volume 4
Exhibits
Flood Profiles
Mousam River (City of Sanford) Mousam River (Lower Reach)
Panel
84-89 P 90-91 P 92-95 P
96 P
Mousam River (Town of Kennebunk) Mulloy Brook Ogunquit River Ogunquit River Tributary Ossipee River Saco River Saco River - Left Channel Salmon Falls River
97-99 P
100 P
101-106 P 107-124 P
125 P
126-141 P
- 142 P
- Sawyer Brook
- Smith Brook
- 143 P
South Branch of West Brook Spinney Creek
144 P 145 P
- Spruce Creek
- 146 P
- Stevens Brook
- 147 P
- Thatcher Brook
- 148 P
Tributary 1 to Cape Neddick River Tributary 1 to Green Brook Tributary to Middle Branch Mousam River Unnamed Tributary to Stony Brook Webhannet River
149 P 150 P 151 P 152 P 153 P
- West Brook
- 154 P
Worster Brook Worster Brook Tributary 3
155-157 P 158-159 P
Published Separately
Flood Insurance Rate Map (FIRM)
v
- 84P
- 85P
- 86P
- 87P
88P 89P
175 170 165 160 155 150 145 140 135 130
175 170 165 160 155 150 145 140
D
LEGEND
0.2% ANNUAL CHANCE FLOOD* 1% ANNUAL CHANCE FLOOD 2% ANNUAL CHANCE FLOOD* 10% ANNUAL CHANCE FLOOD* STREAM BED
- A
- B
- C
CROSS SECTION LOCATION
- 0
- 500
- 1000
- 1500
- 2000
- 2500
- 3000
- 3500
- 4000
- 4500
- 5000
- 5500
- 6000
STREAM DISTANCE IN FEET ABOVE TOWN OF KENNEBUNK/CITY OF SANFORD CORPORATE LIMITS
80P
* DATA NOT AVAILABLE
84P
81P
90P
195 190 185 180 175 170 165 160 155 150
195 190 185 180 175 170 165 160
LEGEND
0.2% ANNUAL CHANCE FLOOD* 1% ANNUAL CHANCE FLOOD 2% ANNUAL CHANCE FLOOD* 10% ANNUAL CHANCE FLOOD* STREAM BED
F
CROSS SECTION LOCATION
- 6500
- 7000
- 7500
- 8000
- 8500
- 9000
- 9500
- 10000
- 10500
- 11000
- 11500
- 12000
- 12500
- 13000
STREAM DISTANCE IN FEET ABOVE TOWN OF KENNEBUNK/CITY OF SANFORD CORPORATE LIMITS
81P
* DATA NOT AVAILABLE
82P
85P
91P
92P
93P
94P 95P
220 210 200 190 180 170 160 150 140 130
340 330 320 310 300 290 280 270
220 210 200 190 180 170 160 150 140
280 270 260 250 240 230 220 210 200
280 270 260 250 240 230 220 210 200 100
340 330 320 310 300 290 280 270 260 250
CULVERT
LEGEND
0.2% ANNUAL CHANCE FLOOD 1% ANNUAL CHANCE FLOOD 2% ANNUAL CHANCE FLOOD 10% ANNUAL CHANCE FLOOD STREAM BED
- F
- K
- A
- B
- C
- D
- E
- G
- H
- I
- J
CROSS SECTION LOCATION
- 0
- 1000
- 2000
- 3000
- 3000
- 4000
- 5000
- 6000
- 7000
6000
STREAM DISTANCE IN FEET ABOVE WORSTER BROOK
9
9
0
1P
P
96P
01P
- 97P
- 98P
99P
95P
94P
100P