State #Rivers #Gauges Options
Alabama, US 94 438
Alaska, US 142 474
Arizona, US 48 392
Arkansas, US 177 478
California, US 379 2842
Colorado, US 256 2344
Connecticut, US 29 165
Delaware, US 3 49
District of Columbia, US 3 17
Florida, US 7 536
Georgia, US 174 929
Hawaii, US 5 190
Idaho, US 187 697
Illinois, US 46 520
Indiana, US 36 587
Iowa, US 22 505
Kansas, US 4 329
Kentucky, US 96 555
Louisiana, US 12 450
Maine, US 219 250
Maryland, US 120 388
Massachusetts, US 50 286
Michigan, US 147 431
Minnesota, US 100 446
Mississippi, US 3 281
Missouri, US 61 636
Montana, US 112 574
Nebraska, US 4 304
Nevada, US 18 234
New Hampshire, US 110 205
New Jersey, US 28 463
New Mexico, US 43 342
New York, US 392 926
North Carolina, US 238 996
North Dakota, US 3 213
Ohio, US 103 739
Oklahoma, US 28 387
Oregon, US 336 840
Pennsylvania, US 221 1043
Puerto Rico, US 11 43
Rhode Island, US 3 35
South Carolina, US 89 509
South Dakota, US 13 353
Tennessee, US 221 601
Texas, US 137 1358
Utah, US 90 402
Vermont, US 85 197
Virginia, US 265 796
Washington, US 360 1056
West Virginia, US 302 546
Wisconsin, US 240 692
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges