Watershed Number

Watershed Number, corresponding HUC (Hydrological Unit Code), and area of watershed.

Watershed Number	HUC	NAME	Area (square km)
1	2050303	Raystown	2442.68
2	2050304	Lower Juniata	3791.03
3	2050305	Lower Susquehanna-Swatara	4844.84
4	2050306	Lower Susquehanna	6413.58
5	2060001	Upper Chesapeake Bay	3582.82
6	2060003	Gunpowder-Patapsco	3483.55
7	2060004	Severn	787.85
8	2060006	Patuxent	2387.70
9	2070001	South Branch Potomac	3847.70
10	2070002	North Branch Potomac	3481.49
11	2070003	Cacapontown	3117.96
12	2070004	Conococheague - Opequon	5910.07
13	2070005	South Fork Shenandoah	4343.67
14	2070006	North Fork Shenandoah	2663.21
15	2070007	Shenandoah	916.74
16	2070008	Middle Potomac-Catoctin	3213.76
17	2070009	Middle Potomac-Monocacy	2502.12
18	2070010	Middle Potmac-Anacostia-Occoquan	3365.04
19	2070011	Lower Potomac	4694.57
20	2080102	Great Wicomico-Piankatank	1222.82
21	2080103	Rapidan - Rappahannock	4050.79
22	2080104	Lower Rappahannock	2988.24
23	2080105	Mattaponi	2356.83
24	2080106	Pamunkey	3808.13
25	2080107	York	747.30
26	2080201	Upper James	5737.16
27	2080202	Maury	2163.28
28	2080203	Middle James - Buffalo	5245.58
29	2080204	Rivanna	1992.32
30	2080205	Middle James-Buffalo	2490.45
31	2080206	Lower James	3725.07
32	2080207	Appomattox	4153.22
33	3010101	Upper Roanoke	5713.95
34	3010102	Middle Roanoke	4560.07
35	3010103	Upper Dan	5327.74
36	3010104	Lower Dan	3236.32
37	3010105	Banister	1560.85
38	3010106	Roanoke Rapids	1548.83
39	3010107	Lower Roanoke	3401.49
40	3010201	Nottoway	4436.42
41	3010202	Blackwater	1922.32
42	3010203	Chowan	2204.22
43	3010204	Meheriin	4144.32
44	3020101	Upper Tar	3383.41
45	3020102	Fishing	2295.98
46	3020103	Lower Tar	2551.87
47	3020201	Upper Neuse	6220.39
48	3020202	Middle Neuse	2729.91
49	3020203	Contentnea	2638.10
50	3020204	Lower Neuse	2933.68
51	3030001	New	1667.26
52	3030002	Haw	4414.55
53	3030003	Deep	3762.38
54	3030004	Upper Cape Fear	4235.61
55	3030005	Lower Cape Fear	2715.70
56	3030006	Blackwater	4058.14
57	3030007	Northeast Cape Fear	4518.25
58	3040101	Upper Yadkin	6353.26
59	3040102	South Yadkin	2353.09
60	3040103	Lower Yadkin	3110.13
61	3040104	Upper Pee Dee	2231.55
62	3040105	Rocky	3670.16
63	3040201	Lower Pee Dee	7379.91
64	3040202	Lynches	3612.33
65	3040203	Lumber	4569.57
66	3040204	Little Pee Dee	3445.57
67	3040205	Black	5314.58
68	3040206	Waccamaw	4269.78
69	3040207	Carolina Coastal-Sampit	1765.54
70	3050101	Upper Catawba	6130.57
71	3050102	South Fork Catawba	1710.90
72	3050103	Lower Catawba	3526.25
73	3050104	Wateree	3168.88
74	3050105	Upper Broad	6401.02
75	3050106	Lower Broad	3329.98
76	3050107	Tyger	2124.61
77	3050108	Enoree	1889.80
78	3050109	Saluda	6500.63
79	3050110	Congaree	1851.39
80	3050111	Lake Marion	1392.69
81	3050112	Santee	1835.41
82	3050201	Cooper	2170.77
83	3050202	South Carolina Coastal	614.66
84	3050203	North Fork Edisto	1987.62
85	3050204	South Fork Edisto	2213.36
86	3050205	Edisto	2133.71
87	3050206	Four Hole Swamp	1663.76
88	3050207	Salkehatchie	2589.00
89	3050208	Broad-St. Helena	6016.78
90	3060101	Seneca	2653.89
91	3060102	Tugaloo	2562.92
92	3060103	Upper Savannah	4760.62
93	3060104	Broad	3912.30
94	3060105	Little	1982.49
95	3060106	Middle Savannah	4777.97
96	3060107	Stevens	1918.18
97	3060108	Brier	2191.94
98	3060109	Lower Savannah	2349.45
99	3060201	Upper Ogeechee	4729.09
100	3060202	Lower Ogeechee	3170.42
101	3060203	Canoochee	3652.01
102	3060204	Ogeechee Coastal	3506.35
103	3070101	Upper Oconee	7563.76
104	3070102	Lower Oconee	6249.38
105	3070103	Upper Ocmulgee	7744.67
106	3070104	Lower Ocmulgee	5925.27
107	3070105	Little Ocmulgee	2092.30
108	3070106	Altamaha	3908.13
109	3070107	Ohoopee	3479.62
110	3130001	Upper Chattahoochee	4088.60
111	3130002	Middle Chattahoochee - Lake Harding	7895.25
112	3130003	Middle Chattahoochee - Walter F.George Res.	7368.16
113	3130005	Upper Flint	6787.57
114	3130006	Middle Flint	4044.74
115	3150101	Conasauga	1887.00
116	3150102	Coosawattee	2227.93
117	3150103	Oostanaula	1452.20
118	3150104	Etowah	4821.18
119	3150105	Upper Coosa	4121.59
120	3150106	Middle Coosa	6731.13
121	3150107	Lower Coosa	4986.08
122	3150108	Upper Tallapoosa	3624.40
123	3150109	Middle Tallapoosa	4110.06
124	3150110	Lower Tallapoosa	4387.55
125	3150201	Upper Alabama	6232.26
126	3150202	Cahaba	4735.73
127	3150203	Middle Alabama	5793.03
128	3160103	Buttahatchee	2259.84
129	3160105	Luxapallila	2059.73
130	3160106	Middle Tombigbee-Lubbub	4229.13
131	3160107	Sipsey	2047.83
132	3160109	Mulberry	3577.10
133	3160110	Sipsey Fork	2573.63
134	3160111	Locust	3127.14
135	3160112	Upper Black Warrior	3249.49
136	3160113	Lower Black Warrior	3765.19
137	5010007	Conemaugh	3556.68
138	5010008	Kiskiminetas	1319.64
139	5020001	Tygart Valley	3564.95
140	5020002	West Fork	2302.07
141	5020003	Upper Monongahela	1193.32
142	5020004	Cheat	3672.50
143	5020005	Lower Monongahela	3800.12
144	5020006	Youghiogheny	4580.82
145	5030101	Upper Ohio	5133.22
146	5030106	Upper Ohio-Wheeling	3910.90
147	5030201	Little Muskingum-Middle Island	4720.75
148	5030202	Upper Ohio-Shade	3650.30
149	5030203	Little Kanawha	5965.54
150	5030204	Hocking	3113.32
151	5040001	Tuscarawas	6723.48
152	5040002	Mohican	2589.49
153	5040003	Walhonding	3232.82
154	5040004	Muskingum	4063.69
155	5040005	Wills	2198.49
156	5040006	Licking	2010.97
157	5050001	Upper New	7594.12
158	5050002	Middle New	4349.44
159	5050003	Greenbrier	4272.01
160	5050004	Lower New	1790.55
161	5050005	Gauley	3670.46
162	5050006	Upper Kanawha	1351.07
163	5050007	Elk	3964.84
164	5050008	Lower Kanawha	2392.38
165	5050009	Coal	2307.22
166	5060001	Upper  Scioto	8306.29
167	5060002	Lower Scioto	5637.68
168	5060003	Paint	2937.90
169	5070101	Upper Guyandotte	2436.49
170	5070102	Lower Guyandotte	1921.69
171	5070201	Tug	4036.26
172	5070202	Upper Levisa	3142.11
173	5070203	Lower Levisa	2883.77
174	5070204	Big Sandy	1056.59
175	5080001	Upper Great Miami	6468.83
176	5080002	Lower Great Miami	3607.92
177	5080003	Wihitewater	3837.86
178	5090101	Raccoon-Symmes	3778.65
179	5090102	Twelvepole	1144.34
180	5090103	Little Scioto-Tygarts	2621.91
181	5090104	Little Sandy	1874.06
182	5090201	Ohio Brush-Whiteoak	5424.22
183	5090202	Little Miami	4551.82
184	5090203	Middle Ohio-Laughery	3608.39
185	5100101	Kicking	7207.01
186	5100102	South Fork Licking	2388.82
187	5100201	North Fork Kentucky	3444.13
188	5100202	Middle Fork Kentucky	1442.86
189	5100203	South Fork Kentucky	1939.54
190	5100204	Upper Kentucky	2807.30
191	5100205	Lower Kentucky	8391.72
192	5110001	Upper Green	8128.12
193	5110002	Barren	5848.58
194	5110003	Middle Green	2650.21
195	5110004	Rough	2779.91
196	5110005	Lower Green	2389.13
197	5110006	Pond	2053.34
198	5120101	Upper Wabash	4116.67
199	5120102	Salamonie	1428.55
200	5120103	Mississinewa	2179.46
201	5120104	Eel	2145.78
202	5120105	Middle Wabash-Deer	1688.00
203	5120106	Tippecanoe	5075.61
204	5120107	Wildcat	2104.94
205	5120108	Middle Wabash-Little Vermillion	5922.14
206	5120110	Sugar	2091.69
207	5120111	Middle Wabash-Busseron	5228.03
208	5120201	Upper White	7132.08
209	5120202	Lower White	4338.92
210	5120203	Eel	3095.61
211	5120204	Driftwood	2989.88
212	5120205	Flatrock-Haw	1518.51
213	5120206	Upper East Fork White	2100.23
214	5120207	Muscatatuck	2960.89
215	5120208	Lower East Fork White	5245.19
216	5120209	Patoka	2225.40
217	5130101	Upper Cumberland	6034.33
218	5130102	Rockcastle	1983.74
219	5130103	Upper Cumberland - Lake Cumberland	4876.16
220	5130104	South Fork Cumberland	3560.25
221	5130105	Obey	2447.76
222	5130106	Upper Cumberland - Cordell Hull Reservoir	2056.42
223	5130107	Collins	2064.10
224	5130108	Caney	4637.85
225	5130201	Lower Cumberland - Old Hickory Lake	2575.19
226	5130202	Lower Cumberland - Sycamore	1671.51
227	5130203	Sontes	2444.10
228	5130204	Harpeth	2249.65
229	5130205	Lower Cumberland	6069.81
230	5130206	Red	3757.52
231	5140101	Silver-Little Kentucky	3295.56
232	5140102	Salt	3801.45
233	5140103	Rollling Fork	3775.74
234	5140104	Blue-Sinking	4906.55
235	5140201	Lower Ohio-Little Pigeon	3638.24
236	5140202	Highland-Pigeon	2574.45
237	5140205	Tradewater	2427.40
238	6010101	North Fork Holston	1866.07
239	6010102	South Fork Holston	3053.22
240	6010103	Watauga	2251.34
241	6010104	Holston	2591.42
242	6010105	Upper French Broad	4816.73
243	6010106	Pigeon	1825.45
244	6010107	Lower French Broad	2072.40
245	6010108	Nolichucky	4516.77
246	6010201	Watts Bar Lake Tennessee	3474.60
247	6010202	Upper Little Tennessee	2176.63
248	6010203	Tuckasegee	1907.76
249	6010204	Lower Little Tennessee	2719.56
250	6010205	Upper Clinch	5125.04
251	6010206	Powell	2434.62
252	6010207	Lower Clinch	1634.95
253	6010208	Emory	2253.24
254	6020001	Middle Tennessee Chickamauga	4844.05
255	6020002	Hiawassee	5360.24
256	6020003	Ocoee	1648.89
257	6020004	Sequatchee	1567.25
258	6030001	Guntersville Lake Tennessee	5137.83
259	6030002	Wheeler Lake	7472.45
260	6030003	Ocoee	3337.68
261	6030004	Sequatchie	2497.16
262	6030005	Pickwick Lake	5894.91
263	6030006	Bear	2430.53
264	6040002	Upper Duck	3060.97
265	6040003	Lower Duck	4010.29
266	6040004	Buffalo	1976.19