WSP12671

• File Number: 8146.600.30.A
• Description: Purgatoire River Study
• State: CO
• Basin: Arkansas
• Date: 1/24/2007
• Author: USDOI/SGS Lisa D Miller
• Title: Losses and Gains for Eight Unlined Canals Along the Purgatoire River Near Trindad, Colorado 2000 - 2004
• Water Supply Pro - Doc Type: Publication

Table 5, Losses and gains for selected subreaches of EI Moro Canal. 2000-2004.

[ft'/s, cubic feet per second; EMHG, El Mora headgate; EM, El Moro; inflows and outflows measured upstream from diversion structures unless otherwise noted]

Canal Subreach Subreach Cumulative loss or loss or
Date PRWCD subreach inflow outflow diversions gain in gain in Results
canal name (site to site) (ft3/s) (ft3/s) (ft3/s) subreach subreach
(ft3/sP (percent)'
August 1, 2000 EI Moro EMHG to EM09 3.9 1.2 1.6 1.1 28
EMHG to EMOl 3.9 3.8 0.0 0.1 3
EMOl to EM02 3.8 2.7 0.9 0.2 5
EM02 to EM04 2.7 3.1 0.3 -0.7 26 Field notes indicate inflow from Picket wire (perhaps) between EM02
and EM03. "Pipeline carrying water across El Moro is overflowing."
EM04 to EM07 3.1 3.2 0.0 -0.1 -3
EM07 to EM09 3.2 1.2 0.4 1.6 50 Field notes indicate water spilling from El Moro to Picketwire at EM08.
June 18,2003 EI Moro EMHG to EM08 3.9 0.0 2.8 1.1 28 New 9-inch Parshall flume installed in 2003.
June 16,2004 El Moro EMHG to EM042 4.3 0.0 4.9 -0.6 -14 Field notes indicate depth bias on left side of flume opposite to staff
plate. Flume may not be level or approach section may have debris.
Standard Parshall flume rating should be checked.
EMHG to EM02 4.3 1.9 1.5 0.9 21
EM02 to EM04 1.9 0 3.4 -1.5 -79
I A positive value indicates a loss of flow fram the canal, and a negative value indicates a gain of flow to the canaL
'End of canal at site EM04 on June 16,2004.

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