RiverBrain integrates USGS, CDEC, CDWR, CUWCD and Canadian (CANWO) gauges, plus formula-computed virtual gauges. Pick a state or search by gauge name to see live readings, trends and the runs each gauge feeds.

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United States

• Alabama 172
• Alaska 112
• Arizona 191
• Arkansas 133
• California 731
• Colorado 930
• Connecticut 72
• Delaware 22
• District Of Columbia 7
• Florida 414
• Georgia 309
• Guam 6
• Hawaii 92
• Idaho 221
• Illinois 205
• Indiana 197
• Iowa 145
• Kansas 188
• Kentucky 168
• Louisiana 104
• Maine 65
• Maryland 139
• Massachusetts 119
• Michigan 215
• Minnesota 117
• Mississippi 134
• Missouri 232
• Montana 231
• Nebraska 117
• Nevada 153
• New Hampshire 50
• New Jersey 134
• New Mexico 167
• New York 304
• North Carolina 249
• North Dakota 119
• Ohio 262
• Oklahoma 155
• Oregon 268
• Pennsylvania 307
• Puerto Rico 106
• Rhode Island 38
• South Carolina 150
• South Dakota 119
• Tennessee 119
• Texas 610
• Utah 176
• Vermont 51
• Virginia 197
• Washington 343
• West Virginia 114
• Wisconsin 198
• Wyoming 111

Canada

• Alberta 238
• British Columbia 196
• Northwest Territories 43
• Yukon 21