State #Rivers #Gauges Options
Alabama, US 94 437
Alaska, US 141 469
Arizona, US 48 392
Arkansas, US 177 476
California, US 379 2827
Colorado, US 256 2302
Connecticut, US 29 164
Delaware, US 3 48
District of Columbia, US 3 17
Florida, US 7 527
Georgia, US 173 926
Hawaii, US 5 183
Idaho, US 187 696
Illinois, US 46 516
Indiana, US 36 585
Iowa, US 22 492
Kansas, US 4 329
Kentucky, US 96 554
Louisiana, US 12 448
Maine, US 219 250
Maryland, US 120 388
Massachusetts, US 50 284
Michigan, US 146 425
Minnesota, US 100 445
Mississippi, US 3 281
Missouri, US 61 631
Montana, US 110 570
Nebraska, US 4 295
Nevada, US 18 233
New Hampshire, US 110 204
New Jersey, US 28 462
New Mexico, US 43 341
New York, US 392 920
North Carolina, US 238 989
North Dakota, US 3 212
Ohio, US 102 739
Oklahoma, US 28 384
Oregon, US 336 838
Pennsylvania, US 221 1041
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 506
South Dakota, US 13 351
Tennessee, US 221 599
Texas, US 137 1347
Utah, US 90 402
Vermont, US 85 197
Virginia, US 264 793
Washington, US 360 1049
West Virginia, US 302 546
Wisconsin, US 239 690
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges