State #Rivers #Gauges Options
Alabama, US 94 432
Alaska, US 141 459
Arizona, US 46 387
Arkansas, US 177 466
California, US 375 2814
Colorado, US 255 2196
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 187 691
Illinois, US 46 497
Indiana, US 36 564
Iowa, US 22 488
Kansas, US 4 323
Kentucky, US 95 551
Louisiana, US 12 433
Maine, US 219 246
Maryland, US 117 387
Massachusetts, US 50 282
Michigan, US 146 412
Minnesota, US 100 407
Mississippi, US 3 270
Missouri, US 61 628
Montana, US 109 559
Nebraska, US 4 285
Nevada, US 18 225
New Hampshire, US 111 203
New Jersey, US 28 455
New Mexico, US 42 327
New York, US 392 897
North Carolina, US 236 938
North Dakota, US 3 206
Ohio, US 102 727
Oklahoma, US 28 360
Oregon, US 333 830
Pennsylvania, US 221 1023
Puerto Rico, US 11 43
Rhode Island, US 3 34
South Carolina, US 89 489
South Dakota, US 13 346
Tennessee, US 216 589
Texas, US 137 1312
Utah, US 90 399
Vermont, US 83 194
Virginia, US 262 775
Washington, US 360 1037
West Virginia, US 300 503
Wisconsin, US 237 670
Wyoming, US 88 497
Lost Gauges Ignored Gauges Dead Gauges