51 states and territories13880 gauges · 10137 rivers
Nationwide coverage
Official gauges grouped by state
State pages read from RiverStat.us D1 APIs and show only persisted source-backed records.
Featured states
Alabama791 gauges · 482 rivers
Alaska270 gauges · 200 rivers
Arizona391 gauges · 231 rivers
Arkansas68 gauges · 211 rivers
California574 gauges · 326 rivers
Colorado221 gauges · 105 rivers
Connecticut13 gauges · 12 rivers
Delaware191 gauges · 127 riversDistrict of Columbia54 gauges · 33 rivers
Florida888 gauges · 484 rivers
Georgia478 gauges · 347 rivers
Hawaii109 gauges · 86 rivers
Idaho604 gauges · 522 rivers
Illinois365 gauges · 144 rivers
Indiana366 gauges · 297 rivers
Iowa281 gauges · 285 rivers
Kansas178 gauges · 71 rivers
Kentucky118 gauges · 304 rivers
Louisiana183 gauges · 256 rivers
Maine431 gauges · 277 rivers
Maryland52 gauges · 43 rivers
Massachusetts21 gauges · 17 rivers
Michigan110 gauges · 66 rivers
Minnesota245 gauges · 323 rivers
Mississippi123 gauges · 60 rivers
Missouri553 gauges · 311 rivers
Montana204 gauges · 341 rivers
Nebraska179 gauges · 254 rivers
Nevada67 gauges · 118 rivers
New Hampshire22 gauges · 245 rivers
New Jersey376 gauges · 179 rivers
New Mexico62 gauges · 35 rivers
New York547 gauges · 437 rivers
North Carolina176 gauges · 340 rivers
North Dakota471 gauges · 237 rivers
Ohio125 gauges · 75 rivers
Oklahoma150 gauges · 77 rivers
Oregon223 gauges · 134 rivers
Pennsylvania152 gauges · 105 rivers
Rhode Island255 gauges · 164 rivers
South Carolina459 gauges · 236 rivers
South Dakota189 gauges · 99 rivers
Tennessee829 gauges · 447 rivers
Texas468 gauges · 291 rivers
Utah79 gauges · 51 rivers
Vermont12 gauges · 11 rivers
Virginia146 gauges · 102 rivers
Washington203 gauges · 122 rivers
West Virginia62 gauges · 38 rivers
Wisconsin591 gauges · 289 rivers
Wyoming155 gauges · 90 rivers