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� • s <br />Stream Lag and Loss for exchange <br />06/14/94 <br />Division 1 District 7 <br />Colorado Division of Water Resources <br />Ralston Reservoir through the Ralston Clear Creek Canal <br />down Clear Creek to the Confluence with The South Platte <br />USGS 7.5' map Reach Q n Slope Miles v (mi /hr) Time (hrs.) Loss /mi. %loss <br />from, to Ift./i00 % this section <br />Ralston Clear Creek Canal <br />1 Golden Map <br />Headgate to first culvert section <br />30 <br />0.035 <br />0.1 <br />1.82 1.18 <br />1.55 0.15% <br />0.27% <br />2 Golden Map <br />1st Culvert 84" dia. <br />30 <br />0.015 <br />1.5 <br />0.64 5.57 <br />0.11 0.05% <br />0.03% <br />3 Golden Map <br />ditch betw. 1st and 2nd culverts <br />30 <br />0.035 <br />0.7 <br />2.31 2.32 <br />1 0.15% <br />0.35% <br />4 Golden Map <br />2nd Culvert 54" <br />30 <br />0.015 <br />6.7 <br />0.42 10.87 <br />0.04 0.15% <br />0.06% <br />Total <br />5.2 Total <br />2.7 Total <br />0.7% <br />Clear Creek below Ralston Clear Creek Canal <br />5 Golden Map <br />From outfall of canal to E. edge of map <br />169 0.040 1.0 3.45 2.48 <br />1.39 0.25% <br />0.86% <br />6 Arvada Map <br />W. edge to E. edge of map <br />170 0.040 0.5 7.95 1.94 <br />4.11 0.25% <br />1.99% <br />7 Commerce City map <br />W. edge to confl. with S. Platte <br />170 0.040 0.4 2.99 1.78 <br />1.68 0.25% <br />0.75% <br />Total 14.4 Total <br />7.2 Total <br />3.6% <br />Miles Time (hrs.) % loss <br />Total for exchange 19.6 9.9 4.3% <br />