State #Rivers #Gauges Options
Alabama, US 94 438
Alaska, US 141 463
Arizona, US 46 387
Arkansas, US 177 474
California, US 375 2818
Colorado, US 256 2208
Connecticut, US 29 162
Delaware, US 3 47
District of Columbia, US 3 17
Florida, US 7 523
Georgia, US 171 915
Hawaii, US 5 164
Idaho, US 187 692
Illinois, US 46 516
Indiana, US 36 580
Iowa, US 22 490
Kansas, US 4 329
Kentucky, US 95 553
Louisiana, US 12 441
Maine, US 219 250
Maryland, US 117 387
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 18 229
New Hampshire, US 110 204
New Jersey, US 28 460
New Mexico, US 42 336
New York, US 392 913
North Carolina, US 236 982
North Dakota, US 3 207
Ohio, US 102 730
Oklahoma, US 28 364
Oregon, US 334 834
Pennsylvania, US 221 1028
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 497
South Dakota, US 13 348
Tennessee, US 216 599
Texas, US 137 1330
Utah, US 90 400
Vermont, US 83 197
Virginia, US 262 786
Washington, US 360 1046
West Virginia, US 300 538
Wisconsin, US 238 680
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges