State #Rivers #Gauges Options
Alabama, US 94 437
Alaska, US 141 462
Arizona, US 46 387
Arkansas, US 177 474
California, US 375 2818
Colorado, US 256 2208
Connecticut, US 29 162
Delaware, US 3 46
District of Columbia, US 3 17
Florida, US 7 522
Georgia, US 171 915
Hawaii, US 5 164
Idaho, US 187 693
Illinois, US 46 515
Indiana, US 36 578
Iowa, US 22 490
Kansas, US 4 329
Kentucky, US 95 552
Louisiana, US 12 440
Maine, US 219 250
Maryland, US 117 387
Massachusetts, US 50 282
Michigan, US 146 417
Minnesota, US 100 436
Mississippi, US 3 272
Missouri, US 61 629
Montana, US 110 566
Nebraska, US 4 287
Nevada, US 18 228
New Hampshire, US 110 203
New Jersey, US 28 459
New Mexico, US 42 335
New York, US 392 909
North Carolina, US 236 957
North Dakota, US 3 207
Ohio, US 102 730
Oklahoma, US 28 364
Oregon, US 334 835
Pennsylvania, US 221 1025
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 496
South Dakota, US 13 348
Tennessee, US 216 594
Texas, US 137 1330
Utah, US 90 400
Vermont, US 83 197
Virginia, US 262 786
Washington, US 360 1044
West Virginia, US 300 538
Wisconsin, US 238 679
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges