VOLUME 3 OF 5 PASSAIC COUNTY, NEW JERSEY (ALL JURISDICTIONS) COMMUNITY NAME COMMUNITY NUMBER BLOOMINGDALE, BOROUGH OF 345284 CLIFTON, CITY OF 340398 HALEDON, BOROUGH OF 340399 HAWTHORNE, BOROUGH OF 340400 LITTLE FALLS, TOWNSHIP OF 340401 NORTH HALEDON, BOROUGH OF 340402 PASSAIC, CITY OF 340403 PATERSON, CITY OF 340404 POMPTON LAKES, BOROUGH OF 345528 PROSPECT PARK, BOROUGH OF 340406 RINGWOOD, BOROUGH OF 340407 TOTOWA, BOROUGH OF 340408 WANAQUE, BOROUGH OF 340409 WAYNE, TOWNSHIP OF 345327 WEST MILFORD, TOWNSHIP OF 340411 WOODLAND PARK, BOROUGH OF 340412
Preliminary: January 9, 2015 FLOOD INSURANCE STUDY NUMBER 34031CV001B Version Number 2.1.1.1
The Borough of Woodland Park was formerly known as the Borough of West Paterson.
NOTICE TO FLOOD INSURANCE STUDY USERS
Communities participating in the National Flood Insurance Program have established repositories of flood hazard data for floodplain management and flood insurance purposes. This Flood Insurance Study (FIS) may not contain all data available within the repository. It is advisable to contact the community repository for any additional data.
Part or all of this FIS may be revised and republished at any time. In addition, part of this FIS may be revised by the Letter of Map Revision process, which does not involve republication or redistribution of the FIS. It is, therefore, the responsibility of the user to consult with community officials and to check the community repository to obtain the most current FIS components.
Initial Countywide FIS Effective Date: September 28, 2007
Revised Countywide FIS Date:
This preliminary FIS report does not include unrevised Floodway Data Tables or unrevised Flood Profiles. These Floodway Data Tables and Flood Profiles will appear in the final FIS report.
TABLE OF CONTENTS – Volume 1
Page
1.0 INTRODUCTION 1 1.1 Purpose of Study 1 1.2 Authority and Acknowledgments 1 1.3 Coordination 5
2.0 AREA STUDIED 5 2.1 Scope of Study 5 2.2 Community Description 11 2.3 Principal Flood Problems 11 2.4 Flood Protection Measures 14
3.0 ENGINEERING METHODS 18 3.1 Hydrologic Analyses 18 3.2 Hydraulic Analyses 40 3.3 Vertical Datum 56
4.0 FLOODPLAIN MANAGEMENT APPLICATIONS 57 4.1 Floodplain Boundaries 57 4.2 Floodways 58
5.0 INSURANCE APPLICATIONS 105
6.0 FLOOD INSURANCE RATE MAP 107
7.0 OTHER STUDIES 107
8.0 LOCATION OF DATA 110
9.0 BIBLIOGRAPHY AND REFERENCES 110
i
TABLE OF CONTENTS – Volume 1 - continued Page
FIGURES
Figure 1 – Floodway Schematic 106
TABLES
Table 1 – Initial and Final CCO Meetings 5 Table 2 – Flooding Sources Studied by Detailed Methods 6 Table 3 – Scope of Revision 7 Table 4 – Model Dates for Riverine Flooding 8-10 Table 5 – Letters of Map Correction 10-11 Table 6 – Summary of Discharges 25-40 Table 7 – Summary of Stillwater Elevations 41 Table 8 – Manning's "n" Values 47-49 Table 9 – Limited Detailed (Enhanced A-Zones) Flood Hazard Data 50-55 Table 10 – Floodway Data 60-104 Table 11 – Community Map History 108-109
EXHIBITS
Exhibit 1- Flood Profiles Acid Brook Panels 01P-12P Belcher Creek Panels 13P-17P Belcher Creek Branch 1 Panels 18P-21P Belcher Creek Branch 2 Panels 22P-28P Branch Weasel Brook Panel 29P Branch 3-5-2, Weasel Brook Panels 30P-31P
TABLE OF CONTENTS – Volume 2 EXHIBITS - continued Burnt Meadow Brook Panels 32P-44P Burnt Meadow Brook Branch 5 Panels 45P-48P Buttermilk Falls Panels 49P-51P Cold Spring Brook Panels 52P-56P Cooley Brook Panels 57P-60P Cupsaw Brook Panels 61P-66P Cupsaw Brook Branch 1 Panels 67P-72P Cupsaw Brook Branch 2 Panels 73P-74P Cupsaw Brook Branch 3 Panels 75P-76P Cupsaw Brook Branch 4 Panels 77P-79P
ii
Deep Brook Panels 80P-81P Dowling Brook Panels 82P-86P Erskine Brook Panels 87P-97P
TABLE OF CONTENTS – Volume 3 EXHIBITS - continued Glen Place Brook Panels 98P-99P Goffle Brook Panels 100P-102P Great Notch Brook Panels 103P-105P Green Brook Panels 106P-111P Haycock Brook Panels 112P-121P High Mountain Brook (Downstream Reach) Panels 122P-124P High Mountain Brook (Upstream Reach) Panels 125P-129P High Mountain Brook 2 Panels 130P-135P Jones Brook Panels 136P-138P Longhouse Creek Panels 139P-143P MacDonald Brook Panels 144P-146P Meadow Brook Panels 147P-149P Meadow Brook Branch 2 Panels 150P-151P Molly Ann Brook Panels 152P-161P Molly Ann Brook Tributary 3 Panels 162P-164P Molly Ann Brook Tributary 4 Panels 165P-170P Molly Ann Brook Tributary 6 Panels 171P-173P Morsetown Brook Panels 174P-179P Naachtpunkt Brook Panel 180P Naachtpunkt Brook (Upper Reach) Panels 181P-183P Oakwood Lake Brook Panels 184P-186P Packanack Brook Panels 187P-188P Passaic River Panels 189P-197P
TABLE OF CONTENTS – Volume 4 EXHIBITS - continued Pearl Brook Panels 198P-204P Peckman River Panels 205P-209P Pequannock River Panels 210P-227P Pompton River Panels 228P-229P Pompton River Unnamed Tributary Panel 230P Post Brook (West Milford) Panels 231P-236P Post Brook Branch 1 Panel 237P Post Brook Branch 2 Panels 238P-239P Post Brook Branch 3 Panels 240P-242P Post Brook Branch 4 Panels 243P-244P Post Brook and Rainbow Valley Lake Panels 245P-247P Ramapo River Panel 248P Ringwood Creek Panels 249P-251P Ringwood Creek Branch 1 Panel 252P Singac Brook Panels 253P-259P
iii
Slippery Rock Brook Panels 260P-265P Squaw Brook Panels 266P-271P Stephens Lake Brook Panels 272P-273P Stephens Lake Brook Branch 1 Panel 274P Stephens Lake Brook Branch 2 Panels 275P-283P Third River Panels 284P-288P Tributary 1 to Posts Brook Panels 289P-292P Tributary 2 to Posts Brook Panel 293P Tributary 1 to Singac Brook Panel 294P Tributary 3 to Singac Brook Panels 295P-296P Tributary to Van Dam Brook Panel 297P
TABLE OF CONTENTS – Volume 5 EXHIBITS - continued Van Dam Brook Panels 298P-300P Wabash Brook Panel 301P Wanaque River Panels 302P-312P Weasel Brook Panels 313P-329P West Brook Reach 1 Panels 330P-335P West Brook Reach 2 Panels 336P-339P West Brook Branch 7 Panels 340P-341P
Exhibit 2 - Flood Insurance Rate Map Index Flood Insurance Rate Map
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39000 40000 41000 42000 43000 44000 45000 46000 47000 48000 49000 50000 51000 52000 E
*NEW JERSEY FLOOD HAZARD AREA DESIGN FLOOD (NJFHADF) IS EQUAL TO THE 1% F STREAM DISTANCE IN FEET ABOVE COUNTY BOUNDARY ANNUAL CHANCE FLOOD DISCHARGE (100 YEAR DISCHARGE) PLUS AN ADDITIONAL 25% OF FLOW DISCHARGE, NOT TO EXCEED THE 0.2% ANNUAL CHANCE FLOOD (500 YEAR DISCAHRGE) 192P K
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52000 53000 54000 55000 56000 57000 58000 59000 60000 61000 62000 63000 64000 E *NEW JERSEY FLOOD HAZARD AREA DESIGN FLOOD (NJFHADF) IS EQUAL TO THE 1% F STREAM DISTANCE IN FEET ABOVE COUNTY BOUNDARY ANNUAL CHANCE FLOOD DISCHARGE (100 YEAR DISCHARGE) PLUS AN ADDITIONAL 25% OF FLOW DISCHARGE, NOT TO EXCEED THE 0.2% ANNUAL CHANCE FLOOD (500 YEAR DISCAHRGE) 193P E
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64000 65000 66000 67000 68000 69000 70000 71000 72000 73000 74000 75000 76000 77000 E
*NEW JERSEY FLOOD HAZARD AREA DESIGN FLOOD (NJFHADF) IS EQUAL TO THE 1% F STREAM DISTANCE IN FEET ABOVE COUNTY BOUNDARY ANNUAL CHANCE FLOOD DISCHARGE (100 YEAR DISCHARGE) PLUS AN ADDITIONAL 25% OF FLOW DISCHARGE, NOT TO EXCEED THE 0.2% ANNUAL CHANCE FLOOD (500 YEAR DISCAHRGE) 194P 170 170 T.O.R.= 182
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STREAM BED P
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77000 78000 79000 80000 81000 82000 83000 84000 85000 86000 87000 88000 89000 90000 E
*NEW JERSEY FLOOD HAZARD AREA DESIGN FLOOD (NJFHADF) IS EQUAL TO THE 1% F STREAM DISTANCE IN FEET ABOVE COUNTY BOUNDARY ANNUAL CHANCE FLOOD DISCHARGE (100 YEAR DISCHARGE) PLUS AN ADDITIONAL 25% OF FLOW DISCHARGE, NOT TO EXCEED THE 0.2% ANNUAL CHANCE FLOOD (500 YEAR DISCAHRGE) 195P 190 190
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10% ANNUAL CHANCE FLOOD E
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STREAM BED P
AC AD AE AF L
CROSS SECTION LOCATION A
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D
90000 91000 92000 93000 94000 95000 96000 97000 98000 99000 100000 101000 102000 103000 E
*NEW JERSEY FLOOD HAZARD AREA DESIGN FLOOD (NJFHADF) IS EQUAL TO THE 1% F STREAM DISTANCE IN FEET ABOVE COUNTY BOUNDARY ANNUAL CHANCE FLOOD DISCHARGE (100 YEAR DISCHARGE) PLUS AN ADDITIONAL 25% OF FLOW DISCHARGE, NOT TO EXCEED THE 0.2% ANNUAL CHANCE FLOOD (500 YEAR DISCAHRGE) 196P 0
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STREAM BED E
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CROSS SECTION LOCATION A
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D
103000 104000 105000 106000 107000 108000 109000 110000 111000 112000 113000 114000 115000 116000 E *NEW JERSEY FLOOD HAZARD AREA DESIGN FLOOD (NJFHADF) IS EQUAL TO THE 1% F STREAM DISTANCE IN FEET ABOVE COUNTY BOUNDARY ANNUAL CHANCE FLOOD DISCHARGE (100 YEAR DISCHARGE) PLUS AN ADDITIONAL 25% OF FLOW DISCHARGE, NOT TO EXCEED THE 0.2% ANNUAL CHANCE FLOOD (500 YEAR DISCAHRGE) 197P