State #Rivers #Gauges Options
Alabama, US 94 437
Alaska, US 141 465
Arizona, US 46 388
Arkansas, US 177 475
California, US 375 2819
Colorado, US 256 2208
Connecticut, US 29 162
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 95 553
Louisiana, US 12 443
Maine, US 219 250
Maryland, US 118 388
Massachusetts, US 50 282
Michigan, US 146 421
Minnesota, US 100 436
Mississippi, US 3 272
Missouri, US 61 629
Montana, US 110 566
Nebraska, US 4 287
Nevada, US 18 231
New Hampshire, US 110 204
New Jersey, US 28 461
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 28 382
Oregon, US 334 834
Pennsylvania, US 221 1033
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 498
South Dakota, US 13 348
Tennessee, US 217 599
Texas, US 137 1341
Utah, US 90 401
Vermont, US 83 197
Virginia, US 263 792
Washington, US 360 1048
West Virginia, US 300 541
Wisconsin, US 238 682
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges