State #Rivers #Gauges Options
Alabama, US 94 437
Alaska, US 141 473
Arizona, US 48 392
Arkansas, US 177 476
California, US 379 2838
Colorado, US 256 2323
Connecticut, US 29 164
Delaware, US 3 49
District of Columbia, US 3 17
Florida, US 7 533
Georgia, US 174 928
Hawaii, US 5 186
Idaho, US 187 696
Illinois, US 46 516
Indiana, US 36 586
Iowa, US 22 499
Kansas, US 4 329
Kentucky, US 96 554
Louisiana, US 12 449
Maine, US 219 250
Maryland, US 120 388
Massachusetts, US 50 284
Michigan, US 147 427
Minnesota, US 100 446
Mississippi, US 3 281
Missouri, US 61 635
Montana, US 111 571
Nebraska, US 4 297
Nevada, US 18 233
New Hampshire, US 110 204
New Jersey, US 28 463
New Mexico, US 43 342
New York, US 392 923
North Carolina, US 238 992
North Dakota, US 3 213
Ohio, US 102 739
Oklahoma, US 28 386
Oregon, US 336 838
Pennsylvania, US 221 1042
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 509
South Dakota, US 13 352
Tennessee, US 221 601
Texas, US 137 1348
Utah, US 90 402
Vermont, US 85 197
Virginia, US 264 794
Washington, US 360 1053
West Virginia, US 302 546
Wisconsin, US 240 690
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges