Watersheds of the Lower Estuaryline
 
Alternative Region Name or Code Agency

Brandywine-Christina - HUC# 2040205 (PA & DE)
Cohansey-Maurice - HUC# 2040206 (NJ)

 U.S. Environmental Protection Agency (U.S. EPA)
& U.S. Geological Survey (USGS)
HUC# 11 Delaware River Basin Commission (DRBC)


Watershed Locaters & Interactive Maps  
U.S. EPA: Surf Your Watershed DRBC Smallsheds Map
PA DEP: Choose Your Watershed NJ DEP iMAP
Delaware: DATAMIL PASDA: PA Small watersheds(GIS layer)

Pennsylvania Portions

Map#
**
PA Smallshed Name
Area
(sq mi)
PA DEP Code #
Stream Order
Notes
190
 Brandywine Creek 47 3H    
203
 Brandywine Creek 19 3H    
173
 East Branch Brandywine 123 3H   Tributaries: Culbertson Run, Indian Run
176
 West Branch Brandywine 86 3H    
187
 Buck Run 48 3H    
211
 Christina River 2 3I    
199
 Naamans Creek 18 3H    
193
 Red Clay Creek 28 3I    
200
 Red Clay Creek 26 3I    
207
 White Clay Creek 46 3I    
194
 E. Branch White Clay 34 3I    
198
 Middle Br. White Clay 17 3I    
**Map# correspond with DRBC smallshed map; Region specific map coming soon.

New Jersey Portions

Map#
**
NJ Smallshed Name
Area
(sq mi)
NJ Code
Stream Order
Notes
218
 Alloway Creek 68 WMA 18  
216
 Delaware River 10 WMA 18  
210
 Delaware River 11 WMA 18  
208
 Oldmans Creek 46 WMA 18  
212
 Salem River 117 WMA 18  
**Map# correspond with DRBC smallshed map; Region specific map coming soon.

Delaware Portions

Map#
**
DE Smallshed Name
Area
(sq mi)
DE Code
Stream Order
Notes
223
 Appoquinimink River 46      
215
 Army Creek 10      
224
 Blackbird Creek 31      
203
 Brandywine Creek 19      
220
 C&D Canal 44      
209
 Christina River 76      
211
 Christina River 2      
225
 Delaware River 10      
214
 Delaware River 7      
219
 Dragon Run Creek 10      
200
 Red Clay Creek 26      
217
 Red Lion Creek 11      
205
 Shellpot Creek 14      
226
 Smyrna River 64      
207
 White Clay Creek 46      
**Map# correspond with DRBC smallshed map; Region specific map coming soon.


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