State #Rivers #Gauges Options
Alabama, US 94 422
Alaska, US 141 453
Arizona, US 46 386
Arkansas, US 177 464
California, US 374 2796
Colorado, US 250 2149
Connecticut, US 29 162
Delaware, US 3 45
District of Columbia, US 3 17
Florida, US 7 514
Georgia, US 170 904
Hawaii, US 5 161
Idaho, US 186 689
Illinois, US 46 494
Indiana, US 36 561
Iowa, US 22 488
Kansas, US 4 322
Kentucky, US 95 551
Louisiana, US 12 416
Maine, US 219 244
Maryland, US 117 385
Massachusetts, US 50 282
Michigan, US 146 407
Minnesota, US 100 402
Mississippi, US 3 266
Missouri, US 61 628
Montana, US 109 557
Nebraska, US 4 279
Nevada, US 15 211
New Hampshire, US 110 203
New Jersey, US 26 454
New Mexico, US 42 321
New York, US 392 893
North Carolina, US 236 925
North Dakota, US 3 202
Ohio, US 102 722
Oklahoma, US 28 360
Oregon, US 332 827
Pennsylvania, US 220 1020
Puerto Rico, US 11 28
Rhode Island, US 3 33
South Carolina, US 89 485
South Dakota, US 13 345
Tennessee, US 213 589
Texas, US 137 1304
Utah, US 90 398
Vermont, US 83 194
Virginia, US 262 770
Washington, US 359 1035
West Virginia, US 300 503
Wisconsin, US 234 664
Wyoming, US 88 497
Lost Gauges Ignored Gauges Dead Gauges