State #Rivers #Gauges Options
Alabama, US 94 436
Alaska, US 141 461
Arizona, US 46 387
Arkansas, US 177 469
California, US 375 2816
Colorado, US 256 2205
Connecticut, US 29 162
Delaware, US 3 45
District of Columbia, US 3 17
Florida, US 7 518
Georgia, US 171 904
Hawaii, US 5 163
Idaho, US 187 692
Illinois, US 46 512
Indiana, US 36 567
Iowa, US 22 488
Kansas, US 4 326
Kentucky, US 95 551
Louisiana, US 12 437
Maine, US 219 246
Maryland, US 117 387
Massachusetts, US 50 282
Michigan, US 146 412
Minnesota, US 100 415
Mississippi, US 3 270
Missouri, US 61 628
Montana, US 110 559
Nebraska, US 4 286
Nevada, US 18 228
New Hampshire, US 111 203
New Jersey, US 28 455
New Mexico, US 42 334
New York, US 392 898
North Carolina, US 236 943
North Dakota, US 3 206
Ohio, US 102 727
Oklahoma, US 28 363
Oregon, US 333 831
Pennsylvania, US 221 1023
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 489
South Dakota, US 13 348
Tennessee, US 216 590
Texas, US 137 1319
Utah, US 90 399
Vermont, US 83 194
Virginia, US 262 776
Washington, US 360 1038
West Virginia, US 300 503
Wisconsin, US 238 673
Wyoming, US 88 498
Lost Gauges Ignored Gauges Dead Gauges