1
0
1374059.25128
11371.2673457
2
10100
St. John
18840499172.4
824821.953215
3
10200
Penobscot
22286810190.3
1194279.73724
4
10300
Kennebec
15358799571.4
847636.673722
5
10400
Androscoggin
9123779832.440001
626541.946638
6
10500
Maine Coastal
13840593130.6
3335396.71065
7
10600
Saco
10809417646.3
1090985.01702
8
10700
Merrimack
12935967262.5
743526.143924
9
10801
Upper Connecticut
15978498509.9
869573.409841
10
10802
Lower Connecticut
13014920232.5
751239.25788
11
10900
Massachusetts-Rhode Island Coastal.
11221196872
2089401.49612
12
11000
Connecticut Coastal
13458942247
962216.986374
13
11100
St. Francois
1525411791.71
195836.042594
14
20100
Richelieu
20019220577.1
864835.179585
15
20200
Upper Hudson
32673909117.6
1316168.0705
16
20301
Lower Hudson
9236416406.42
749830.2458940001
17
20302
Long Island
5079413093.05
1063706.51704
18
20401
Upper Delaware
17785067669.7
935663.533632
19
20402
Lower Delaware
17487454684.5
909939.285505
20
20403
New Jersey Coastal
4997094840.35
897270.7389389999
21
20501
Upper Susquehanna
29278655936
1269423.14753
22
20502
West Branch Susquehanna
18147542319.9
763246.32493
23
20503
Lower Susquehanna
23850478071.5
1082270.02903
24
20600
Upper Chesapeake
22924887322.8
1267182.05208
25
20700
Potomac
38178250544.9
1453051.55771
26
20801
Lower Chesapeake
21309641992.8
1421592.84957
27
20802
James
26547461666.2
1341451.86735
28
30101
Roanoke
25348297147.6
1163085.28202
29
30102
Albemarle-Chowan
20181440847.1
2096599.42646
30
30201
Pamlico
14804327281.5
2499625.44039
31
30202
Neuse
14589357306.9
801419.925212
32
30300
Cape Fear
24982215644.2
1395549.21428
33
30401
Upper Pee Dee
17851904609.9
725992.550447
34
30402
Lower Pee Dee
30190013536.9
1068367.45314
35
30501
Santee
39910943677.7
1298865.11244
36
30502
Edisto-South Carolina Coastal
20555911964.1
1537927.08983
37
30601
Savannah
27124554490.2
1114200.46318
38
30602
Ogeechee
14824566436.7
1145992.06658
39
30701
Altamaha
36793085077.3
1193414.33822
40
30702
St. Marys-Satilla
15723800257.6
1445865.86541
41
30801
St. Johns
23704959773.7
1576265.92024
42
30802
East Florida Coastal
4663018975.3
1811446.22879
43
30901
Kissimmee
10668191990.9
694436.233042
44
30902
Southern Flordia
32225615015.8
3064244.78469
45
31001
Peace
8404547925.14
1016100.64345
46
31002
Tampa Bay
14737364410
1839121.1648
47
31101
Aucilla-Waccasassa
9601078397.639999
1040248.24299
48
31102
Suwannee
25417017391.4
1112534.42926
49
31200
Ochlockonee
9203810986.27
652631.68914
50
31300
Apalachicola
52289477243.4
2018469.79556
51
31401
Florida Panhandle Coastal
14114391051.3
2314991.11933
52
31402
Choctawhatchee
12040431341.1
606015.4416350001
53
31403
Escambia
11013680018.2
674419.440255
54
31501
Coosa-Tallapoosa
38226093877.1
1173102.49842
55
31502
Alabama
20477844894.9
933633.562083
56
31601
Black Warrior - Tombigbee
39951034699
1064963.82567
57
31602
Mobile Bay-Tombigbee
16771164648.1
889519.2197050001
58
31700
Pascagoula
29210387732.3
1270163.16432
59
31800
Pearl
22364989818.6
1027602.55654
60
40101
Northwestern Lake Superior
5835037831.3
588633.927424
61
40102
St. Louis
9793818166.709999
508792.936145
62
40103
Southwestern Lake Superior
8278150183.28
999830.2764
63
40201
Southcentral Lake Superior
13279751723.4
1133257.79106
64
40202
Southeastern Lake Superior
6076047282.79
765267.65838
65
40203
Lake Superior
53854730198.3
2429479.04274
66
40301
Northwestern Lake Michigan
31932645853.1
2131568.54531
67
40302
Fox
16480084825.6
895237.746536
68
40400
Southwestern Lake Michigan
5107165073.82
937622.493351
69
40500
Southeastern Lake Michigan
33463431650.6
937067.800406
70
40601
Northeastern Lake Michigan
29158388639.4
1683088.38407
71
40602
Lake Michigan
58176001575.9
2421474.2992
72
40700
Nothwestern Lake Huron
17297805865.4
1197062.9744
73
40801
Southwestern Lake Huron
7622012024.18
899520.206239
74
40802
Saginaw
16058917370.3
822599.737049
75
40803
Lake Huron
24093390769.1
1682443.40141
76
40900
St. Clair-Detroit
9760422575.51
777863.075944
77
41000
Western Lake Erie
31005735594.7
1016468.22558
78
41100
Southern Lake Erie
7781474779.55
518813.750714
79
41201
Eastern Lake Erie
7529006355.07
818442.860312
80
41202
Lake Erie
12764169356.3
1018556.06643
85
41502
Lake Ontario
8974140404.040001
838537.34181
86
41503
St. Lawrence
14336417011.6
988614.07988
87
50100
Allegheny
30193850652.4
999530.384673
88
50200
Monongahela
19099823022.8
797676.586334
89
50301
Upper Ohio-Beaver
17237317567.2
760940.7144150001
90
50302
Upper Ohio-Little Kanawha
17350617187.1
901333.123105
91
50400
Muskingum
20980070081.1
753730.9601040001
92
50500
Kanawha
31823609350.6
1376418.12275
93
50600
Scioto
16850808610.9
881717.256101
94
50701
Guyandotte
4382704185.68
438252.456011
95
50702
Big Sandy
11075986677.4
618970.69129
96
50800
Great Miami
13990727252.1
634965.974545
97
50901
Middle Ohio-Raccoon
9477882373.35
721153.880125
98
50902
Middle Ohio-Little Miami
13668488234.6
940102.358356
99
51001
Licking
9666323798.5
627164.4477350001
100
51002
Kentucky
17987168667.2
914290.414659
101
51100
Green
23909985013.6
884366.752465
102
51201
Wabash
53764263912.4
1667009.26094
103
51202
Patoka-White
31658663581.2
959936.369508
104
51301
Upper Cumberland
27564744162.3
1199861.39448
105
51302
Lower Cumberland
18719937469.1
819419.277135
106
51401
Lower Ohio-Salt
15707777945.1
684846.697713
107
51402
Lower Ohio
16982708365.3
1101054.89524
108
60101
French Broad-Holston
22931380392.8
857801.665465
109
60102
Upper Tennessee
21872660968.8
1434903.16928
110
60200
Middle Tennessee-Hiwassee
13513534150.4
879306.888983
111
60300
Middle Tennessee-Elk
26839798645.7
906621.054777
112
60400
Lower Tennessee
20881192660.6
1041034.13923
113
70101
Mississippi Headwaters
29934571234.1
962672.834558
114
70102
Upper Mississippi-Crow-Rum
22050093679.4
908463.1149019999
115
70200
Minnesota
43773440087.1
1562794.49563
116
70300
St. Croix
19966092928.8
938825.37895
117
70400
Upper Mississippi-Black-Root
27671201714.6
1194119.0849
118
70500
Chippewa
24836193504.1
911310.917616
119
70600
Upper Mississippi-Maquoketa-Plum
22386434261
868189.615234
120
70700
Wisconsin
30892928684.8
1283945.60573
121
70801
Upper Mississippi-Skunk-Wapsipinicom
26713650981.3
1919341.60238
122
70802
Iowa
32768483419.1
1071597.9077
123
70900
Rock
28412937622.8
1088026.94573
124
71000
Des Moines
37379336287.8
1638530.18828
125
71100
Upper Mississippi-Salt
26028376314.3
954887.166764
126
71200
Upper Illinois
28461662698.2
1313243.00763
127
71300
Lower Illinois
46418360901.8
1099615.16344
128
71401
Upper Mississippi-Meramec
29118477739.5
1341868.08312
129
71402
Kaskaskia
14943362993.6
762555.192373
130
80101
Lower Mississippi-Memphis
2930529602.25
773907.817053
131
80102
Hatchie-Obion
25864949464.4
956245.705984
137
80302
Yazoo
34962442314.1
1007521.26774
81
41300
Southwestern Lake Ontario
9230666221.700001
603043.172823
82
41401
Southeastern Lake Ontario
4371057562.27
658710.570437
83
41402
Oswego
13109218681.8
841739.520024
84
41501
Northeastern Lake Ontario
5975125342.48
744483.2086829999
132
80201
Lower Mississippi
1430227454.91
409167.943257
133
80202
St. Francis
23515007811.5
1172339.08876
134
80203
Lower White
14089698730.4
946193.11708
135
80204
Lower Arkansas
4416642952.85
489605.028003
136
80301
Lower Mississippi-Greenville
1626613647.94
491283.520646
138
80401
Upper Ouachita
13987044830.5
632765.325649
139
80402
Lower Ouachita
27906610895.1
1183492.08605
140
80403
Lower Red
11355340825.8
684427.8719349999
141
80500
Boeuf-Tensas
13528892663.4
907500.941532
144
80701
Lower Mississippi-Baton Rouge
918459418.489
512340.091577
145
80702
Lake Maurepas
12132205122.7
601635.846812
146
80703
Lower Grand
2042841549.78
246636.929065
147
80801
Atchafalaya-Vermillion
13462263138.5
1083233.48279
148
80802
Calcasieu-Mermentau
20734201808.1
745742.621122
149
80901
Lower Mississippi-New Orleans
1348118266.99
852167.372905
150
80902
Lake Pontchartrain
6283743270.96
2179313.24346
151
80903
Central Louisiana Coastal
11475896970.7
2460556.53872
152
90100
Souris
23314317343.5
1013001.5369
153
90201
Upper Red
31094039242.7
1336057.16611
154
90202
Devils Lake-Sheyenne
28194402131.9
1367323.62463
155
90203
42295114963.6
1266326.76404
156
90300
Rainy
28866385459.9
1346283.43054
157
100100
Saskatchewan
1826317470.19
244723.782256
158
100200
Missouri Headwaters
36544859702.6
1221052.28174
159
100301
Upper Missouri
27984822396.5
1008352.86708
165
100700
Upper Yellowstone
37358157637.8
1257093.88279
142
80601
Lower Mississippi-Natchez
1470063049.89
476296.158194
143
80602
Big Black - Homochitto
16836499777.9
960299.4321
160
100302
Marias
23476226723.7
781649.6018910001
161
100401
Fort Peck Lake
35958149864.9
1338776.25669
162
100402
Musselshell
24686863693.8
851258.605925
163
100500
Milk
39001569606.8
1513666.32224
164
100600
Missouri-Poplar
27720294123.8
935957.831642
166
100800
Big Horn
59385873965.7
1431398.77184
167
100901
Tongue
13977205123.5
719866.037291
168
100902
Powder
34820014944.6
1355305.28739
169
101000
Lower Yellowstone
36160036941.4
1455744.0955
170
101101
Lake Sakakawea
19735919122.4
788379.239881
171
101102
Little Missouri
24522241743.5
1280067.80824
172
101201
Cheyenne
44007148834.3
1432430.24287
173
101202
Belle Fourche
18723699676.8
881824.719248
174
101301
Lake Oahe
42746571492.4
1421109.66342
175
101302
Cannonball-Heart-Knife
26313623129.1
842544.0120709999
176
101303
Grand-Moreau
26958990870.6
818688.467507
177
101401
Fort Randall Reservoir
26709209420.3
1135881.64309
178
101402
White
25678165204.6
1036177.82874
179
101500
Niobrara
36166228776.9
1546158.64767
180
101600
55923470321.4
1800060.7977
181
101701
Lewis and Clark Lake
15258962593.2
1111065.30438
182
101702
Big Sioux
21385553592
925239.353394
183
101800
North Platte
80666161389.39999
2283625.82576
184
101900
South Platte
62567384356.8
1565095.2223
185
102001
Middle Platte
13417351343.2
987676.3681580001
186
102002
Lower Platte
7986279257.93
640611.689656
187
102100
Loup
39258547516.4
1183480.66764
188
102200
Elkhorn
18104331922.4
935154.901721
189
102300
Missouri-Little Sioux
23999739781.2
874994.405976
190
102400
Missouri-Nishnabotna
34952437763.5
1055607.45681
191
102500
Republican
64874941170.8
1699809.53746
192
102600
Smoky Hill
51972330278.1
1338998.61461
193
102701
Kansas
14427955226.6
701408.569826
194
102702
Big Blue
24992939752.5
886196.695769
195
102801
Grand
20457600363.9
726131.316258
196
102802
Chariton
7988694142.24
599440.0791419999
197
102901
Osage
39056165549.1
1168695.20772
198
102902
Gasconade
9376377821.879999
551856.651385
199
103001
Lower Missouri-Blackwater
22698307945.7
926095.788012
208
110702
Neosho
32465594359.4
1392767.56146
209
110800
Upper Canadian
32588470774.9
886927.712496
210
110901
Middle Candaian
26139953456.5
1151928.82862
211
110902
Lower Canadian
17709461287.9
1490005.0689
212
111001
Upper Beaver
20220711956.2
777302.999613
213
111002
Lower Beaver
9504013765.690001
495541.477799
214
111003
Lower North Canadian
16094242838.5
1116895.23945
215
111101
Robert S. Kerr Reservoir
19325109650.9
1101306.96281
216
111102
Lower Arkansas-Fourche La Fave
21666365578.3
1047689.86058
217
111201
Prairie Dog Town Fork Red
19892862284
868915.2077659999
218
111202
Salt Fork Red
5164819583.43
535489.025046
219
111203
North Fork Red
13018913499.5
800595.154042
220
111301
Red-Pease
15058207167.2
921592.05675
221
111302
Red-Lake Texoma
28627086276.5
1255323.29384
222
111303
Washita
20486055649.5
1171541.88271
223
111401
Red-Little
32629823811.4
969052.191907
224
111402
Red-Saline
19963266728.8
934553.528945
225
111403
Big Cypress - Sulphur
19014390837.7
709854.319133
226
120100
Sabine
25502743075.4
1296447.70657
227
120200
Neches
25770382934.5
953087.992933
228
120301
Upper Trinity
30578376927.9
928272.150703
229
120302
Lower Trinity
15999265780.9
900308.09887
230
120401
San Jacinto
10324498386.6
468870.253353
231
120402
Galveston Bay-Sabine Lake
8471121346.38
1330410.22571
232
120500
Brazos Headwaters
37850495520.7
1038103.69115
233
120601
Middle Brazos-Clear Fork
21512471724.3
827087.497353
234
120602
Middle Brazos-Bosque
18958185312.9
755618.455094
235
120701
Lower Brazos
20545429514.5
1074839.35957
236
120702
Little
19623307307.9
823377.653698
237
120800
Upper Colorado
41390020911.7
1118735.72739
238
120901
Middle Colorado-Concho
39213583815.4
1094741.98112
239
120902
Middle Colorado-Llano
21563452099.4
865829.006661
240
120903
Lower Colorado
7459715168.36
724679.576182
241
120904
San Bernard Coastal
4721043692.55
489914.72752
248
130100
Rio Grande Headwaters
19819051588.1
814396.1125010001
200
103002
Lower Missouri
4170331823.24
438317.77755
201
110100
Upper White
57938997199.8
1332228.29871
202
110200
Upper Arkansas
64509683715
1420225.63856
203
110300
Middle Arkansas
52781083950.6
1454015.81645
204
110400
Upper Cimarron
31556129624.7
1091107.40943
205
110500
Lower Cimarron
18449286520.6
932610.965897
206
110600
Arkansas - Keystone
25560287136.6
992939.311412
207
110701
Verdigris
21234640157
809695.096545
242
121001
Lavaca
6001257313.43
381894.221712
243
121002
Guadalupe
15505250007.5
938232.791278
244
121003
San Antonio
10807294009.7
782000.684032
245
121004
Central Texas Coastal
12264131737.9
1693524.46045
246
121101
Nueces
43396098542.5
1124868.61869
247
121102
Southwestern Texas Coastal
26981948059
2232349.9228
249
130201
Upper Rio Grande
16645126903.4
682657.9016710001
250
130202
Rio Grande-Elephant Butte
53415910715.5
1324388.86191
264
140401
Upper Green
43554231227.2
1201499.1739
265
140402
Great Divide Closed Basin
10266735648.3
566810.6167369999
266
140500
White-Yampa
34195615670.3
1035485.28916
267
140600
Lower Green
37656718941.6
1076179.5888
268
140700
Upper Colorado-Dirty Devil
35592889101.5
1059876.6732
269
140801
Upper San Juan
37593674870
1003104.82314
270
140802
Lower San Juan
26804645734.4
993625.3528849999
251
130301
Rio Grande-Caballo
12676767761.7
650579.822775
271
150100
Lower Colorado-Lake Mead
78329754608.89999
2371952.53725
272
150200
Little Colorado
70102676727.39999
1560932.34459
273
150301
30618565070.8
1484597.27966
252
130302
Mimbres
16268806317.4
806225.178707
293
160402
Black Rock Desert
30378539948
1205449.92698
294
160501
Truckee
12386080510.3
768587.856467
295
160502
Carson
10240554888.1
724358.380365
296
160503
Walker
10297418525.3
542624.5390080001
297
160600
Central Nevada Desert Basins
123667736668
3894542.16255
253
130401
Rio Grande-Fort Quitman
4575752566.95
365565.637755
254
130402
Rio Grande-Amistad
32362342216
1665374.98798
255
130403
Devils
10879139148.5
495782.354564
256
130500
Rio Grande Closed Basins
45740297132.8
1710882.66705
257
130600
Upper Pecos
61234693931.7
1417927.34284
258
130700
Lower Pecos
53823546844.5
1408658.8638
259
130800
Rio Grande-Falcon
13262987385.6
1085212.18251
260
130900
Lower Rio Grande
3291279616.51
747622.9663870001
261
140100
Colorado Headwaters
25491157153.7
1048984.51046
262
140200
Gunnison
20830948809.2
757077.573801
263
140300
Upper Colorado-Dolores
21485060750.4
865253.171275
274
150302
Bill Williams
13893336735
595260.27695
275
150400
Upper Gila
39476735175.2
1312400.73381
300
170103
Spokane
17036330867.1
876293.957882
301
170200
Upper Columbia
57643739639.8
1379462.72373
302
170300
Yakima
15912171299.8
719035.7730479999
303
170401
Snake Headwaters
14974337687.2
898616.722321
304
170402
Upper Snake
77934631710.60001
1876287.79676
305
170501
Middle Snake-Boise
85066413991.10001
1909311.54549
276
150501
Middle Gila
8510861448.28
523406.689809
320
180101
Northern California Coastal
24487688436.1
1361283.44161
321
180102
Klamath
40608341359.8
1397610.61683
322
180200
Upper Sacramento
19909389212.9
978781.168556
323
180201
Lower Sacramento
52222576889.3
1305206.26236
324
180300
Tulare-Buena Vista Lakes
42429363540.6
965901.016344
325
180400
San Joaquin
40979195745.3
1106807.99329
326
180500
San Francisco Bay
11789858897.8
771870.258695
327
180600
Central California Coastal
29796221309.3
1514692.52459
328
180701
Ventura-San Gabriel Coastal
11642136609.2
846357.218234
329
180702
Santa Ana
6914600093.88
556662.711647
330
180703
Laguna-San Diego Coastal
9913461172.07
618123.413876
331
180800
North Lahontan
11817592796.2
929269.025507
332
180901
Mono-Owens Lakes
11335976915.1
773296.557968
333
180902
Northern Mojave
62059033565.9
1637243.0186
277
150502
San Pedro-Willcox
14030074089.3
699671.6743909999
278
150503
Santa Cruz
21165517550.8
801398.823018
279
150601
Salt
18453257081.7
1018895.58962
280
150602
Verde
17039318884.3
972015.703022
281
150701
Lower Gila-Agua Fria
20319752185.4
792405.646233
282
150702
Lower Gila
18026197767.4
683262.590752
283
150801
Rio Sonoyta
7754331940.06
700429.195635
284
150802
Rio De La Concepcion
373094377.58
108796.201658
285
150803
Rio De Bavispe
4664576653.95
363745.261183
286
160101
Upper Bear
7356259566.6
650352.22959
287
160102
Lower Bear
11841895174.6
625683.384084
288
160201
Weber
6363131280.9
423612.527969
289
160202
Jordan
10134658708.1
570529.880688
290
160203
Great Salt Lake
58693791608.4
1653080.48716
291
160300
Escalante Desert-Sevier Lake
42354826169.6
1209113.88472
292
160401
Humboldt
43887523137.2
1967674.64072
298
170101
Kootenai
12562304268.8
629790.089348
299
170102
Pend Oreille
64515805987.3
2109984.41518
306
170502
Middle Snake-Powder
10741766278.3
611886.915934
307
170601
Lower Snake
30316381699.1
1373604.42183
308
170602
Salmon
36307131463.6
1436026.43305
309
170603
Clearwater
24383362728.6
861735.108678
310
170701
Middle Columbia
28857216641.8
1175538.77232
311
170702
John Day
20500289905.2
860003.8306700001
312
170703
Deschutes
27931369666.6
1026802.51898
313
170800
Lower Columbia
15927910362.8
1094082.01417
314
170900
Willamette
29593081981.8
950792.917975
315
171001
Washington Coastal
15116348010.2
1189740.17913
316
171002
Northern Oregon Coastal
10701853139.1
1106124.47465
317
171003
Southern Oregon Coastal
32765718354.8
1079501.12136
318
171100
Puget Sound
36079231709.2
3665697.48744
319
171200
Oregon Closed Basins
45146665438
1478905.23048
334
181001
Southern Mojave
22821079788.5
843255.744958
335
181002
Salton Sea
18693719819.3
699761.2939010001