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• Richard D. Piland & Associates <br />Hydrology Monitoring Report 2010 <br />MIDDLE FORK AND DAVIS GULCH DAM MONITORING <br />The Middle Fork Dam has three clusters of piezometer tubes: referenced as <br />East, Middle and West. Water levels in the piezometers are measured quarterly along <br />with the reservoir water level. Table 9 lists the reading for 2010. Piezometer level <br />fluctuation was normal. <br />The Middle Fork and Davis Gulch dams have seepage water measuring devices <br />in place. They are read monthly. Table 10 lists the readings for 2010 at both sites. <br />Seepage flows showed a decrease during the periods of lower Middle Fork Reservoir <br />elevations. Graphs of the Dam Monitoring Data appear in Appendix E of this report. A <br />timed bucket measurement was made at the effluent seepage for the gallons per minute <br />reading. <br />NPDES SETTLING POND #5 DISCHARGE <br />Settling Pond No. 5 did not discharge into Parachute Creek during the 2010 <br />Water Year. No water quality samples were collected. The pond received Middle Fork <br />• flow, but never started to fill. <br />ESR SURFACE WATER DISCHARGE <br />The ESR Flume did not discharge during the 2010 Water Year. The snowmelt <br />runoff did not produce a discharge. <br />• 12