Time of Travel Estimates for Seven Mississippi River Tributaries from Selected Points to the Confluence with the Mississippi River, June 2009

The following travel time estimates were prepared for the Upper Mississippi River Source Water Protection Project by the U.S. Geological Survey for the Sauk, Elk, Crow and Rum Rivers and Elm, Coon, and Rice Creeks. Estimates were prepared for High, Medium, and Low Flow conditions (flows exceeded 10%, 50%, and 90% of the time, respectively) from selected points on the tributary to its confluence with the Mississippi River. This information is also available in PDF format

River	Location	High Flows	Medium Flows	Low Flows
Sauk River	County Road 1	0.03 hr	0.04 hr	0.1 hr
	Veterans Drive	2.01 hr	2.51 hr	6.79 hr
	County Road 121	5.10 hr	6.33 hr	16.84 hr
	Interstate 94 Bridge	5.69 hr	7.07 hr	18.75 hr
	County Road 139 (Rockville)	8.56 hr	10.62 hr	27.89 hr
Elk River	Orono Lake Dam	0.61 hr	1.05 hr	1.48 hr
	Orono Lake inlet	2.25 hr	3.77 hr	5.23 hr
	BN Railroad	4.38 hr	7.35 hr	10.21 hr
	USGS gauge	5.95 hr	9.98 hr	13.84 hr
Crow River	Interstate 94 Bridge	3.42 hr	8.39 hr	15.24 hr
	St. Michael WWTP	5.68 hr	14.20 hr	26.48 hr
	Rockford USGS gauge	10.9 hr	27.25 hr	50.84 hr
Rum River	Below Trott Brook	5.78 hr	10.14 hr	15.44 hr
	County Road 22 USGS gauge	9.84 hr	17.28 hr	26.41 hr
Elm Creek	US 169	0.31 hr	0.75 hr	1.18 hr
	Elm Creek Road USGS gauge	4.28 hr	9.60 hr	14.23 hr
	Below Rush Creek confluence	5.46 hr	12.24 hr	18.11 hr
	93rd Ave N	8.89 hr	20.09 hr	29.93 hr
Coon Creek	Northdale Blvd	4.95 hr	6.98 hr	11.58 hr
	S Coon Creek Drive	8.82 hr	12.41 hr	20.49 hr
Rice Creek	Long Lake Rd	4.61 hr	6.39 hr	11.20 hr
	Baldwin Lake outlet	10.43 hr	14.37 hr	24.79 hr