State #Rivers #Gauges Options
Alabama, US 94 437
Alaska, US 141 466
Arizona, US 46 388
Arkansas, US 177 475
California, US 376 2821
Colorado, US 256 2238
Connecticut, US 29 164
Delaware, US 3 47
District of Columbia, US 3 17
Florida, US 7 525
Georgia, US 171 915
Hawaii, US 5 164
Idaho, US 187 694
Illinois, US 46 516
Indiana, US 36 584
Iowa, US 22 492
Kansas, US 4 329
Kentucky, US 95 554
Louisiana, US 12 444
Maine, US 219 250
Maryland, US 118 388
Massachusetts, US 50 284
Michigan, US 146 421
Minnesota, US 100 436
Mississippi, US 3 272
Missouri, US 61 629
Montana, US 110 566
Nebraska, US 4 293
Nevada, US 18 231
New Hampshire, US 110 204
New Jersey, US 28 462
New Mexico, US 42 341
New York, US 392 920
North Carolina, US 236 983
North Dakota, US 3 207
Ohio, US 102 733
Oklahoma, US 28 383
Oregon, US 334 835
Pennsylvania, US 221 1034
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 502
South Dakota, US 13 348
Tennessee, US 217 599
Texas, US 137 1344
Utah, US 90 401
Vermont, US 83 197
Virginia, US 263 793
Washington, US 360 1049
West Virginia, US 300 544
Wisconsin, US 238 682
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges