State #Rivers #Gauges Options
Alabama, US 94 437
Alaska, US 141 468
Arizona, US 48 392
Arkansas, US 177 476
California, US 379 2824
Colorado, US 256 2269
Connecticut, US 29 164
Delaware, US 3 47
District of Columbia, US 3 17
Florida, US 7 525
Georgia, US 171 921
Hawaii, US 5 183
Idaho, US 187 695
Illinois, US 46 516
Indiana, US 36 585
Iowa, US 22 492
Kansas, US 4 329
Kentucky, US 95 554
Louisiana, US 12 447
Maine, US 219 250
Maryland, US 118 388
Massachusetts, US 50 284
Michigan, US 146 422
Minnesota, US 100 445
Mississippi, US 3 281
Missouri, US 61 630
Montana, US 110 567
Nebraska, US 4 293
Nevada, US 18 231
New Hampshire, US 110 204
New Jersey, US 28 462
New Mexico, US 43 341
New York, US 392 920
North Carolina, US 237 989
North Dakota, US 3 212
Ohio, US 102 734
Oklahoma, US 28 384
Oregon, US 334 837
Pennsylvania, US 221 1040
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 504
South Dakota, US 13 350
Tennessee, US 221 599
Texas, US 137 1346
Utah, US 90 402
Vermont, US 83 197
Virginia, US 263 793
Washington, US 360 1049
West Virginia, US 300 545
Wisconsin, US 238 683
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges