Gauge Information

Name Range Difficulty Updated Level
Big Iron Approximation
virtual-130824 300 - 1200 cfs I-II(III) 01h27m ~ 31.740002 cfs (too low)
gauge class Undoubtedly too low for reasonable whitewater.
W.Br.Iron at listed put-in is ~33 square miles, or about 1/3rd the area of Big Iron at it's former gauge site. Flows may be about 1/3rd its virtual gauge.
gauge graph
RangeWater LevelDifficultyComment
0 - 180 cfs extremely Low-somewhat Low I-II(III) gauge is important or has warning Undoubtedly too low for reasonable whitewater.
180 - 300 cfs somewhat Low-barely Low I-II(III) gauge is important or has warning Possible ELF (Extreme Low Flow) run. (Help your fellow boaters with a comment or report about gauge reading and your impression of runnability and difficulty.)
300 - 600 cfs barely runnable-med runnable I-II(III) gauge is important or has warning Possible low boatable. (Help out your fellow boaters with a comment or report about gauge reading and your impression of runnability and difficulty.)
600 - 900 cfs med runnable-a bit pushy runnable I-II(III) gauge is important or has warning Likely moderate flows. (Help out your fellow boaters with a comment or report about gauge reading and your impression of runnability and difficulty.)
900 -1200 cfs a bit pushy runnable-high runnable I-II(III) gauge is important or has warning Likely high flows. (Help out your fellow boaters with a comment or report about gauge reading and your impression of runnability and difficulty.)
1200 -2000 cfs somewhat High-somewhat High I-II(III) gauge is important or has warning Unusually high flows. Caution is urged. (Help your fellow boaters with a comment or report about gauge reading and your impression of runnability & difficulty.
2000 -5000 cfs somewhat High-extremely High I-II(III) gauge is important or has warning (Near) Record flows. Flood levels.

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