SPDSS_Task5_KeyMuniUser_Greeley

• Title: SPDSS Task 5 - Key Municipal User, City of Greeley
• Description: The City of Greeley has been identified as a key municipal user for the South Platte Decision Support System ‎(SPDSS)‎ consumptive use and surface water modeling efforts. The purpose of this Task 5 memorandum is to document physical, legal, and operational aspects of those key structures identified.
• Decision Support - Doc Type: Task Memorandum
• Date: 3/31/2006
• DSS Category: Surface Water
• DSS: South Platte
• Basin: South Platte
• Contract/PO #: C153954
• Grant Type: Non-Reimbursable
• Bill Number: SB01-157, HB02-1152, SB03-110, HB04-1221, SB05-084, HB06-1313, SB07-122
• Prepared By: Leonard Rice Engineering

Table 1
Milton Seaman Reservoir
Stage -Area -Capacity Curve
Elev. Area Capacity
(ft) (Acres) (Ac-Ft)
0 NA 0
5 NA 18
10 NA 66
15 NA 167
20 NA 302
25 NA 489
30 NA 704
35 NA 952
40 NA 1241
Elev. Area Capacity
(ft) (Acres) (Ac-Ft)
45 NA 1582
50 NA 1962
55 NA 2413
60 NA 2913
65 NA 3465
70 NA 4075
75 NA 4731
77 146 5008
Source: City of Greeley.
Notes: Dead storage of 800 ac-ft (elevation 31 feet).
NA -not available.
HydroBase Data
The monthly data over the 1950-2002 period of record pertaining to Milton Seaman Reservoir
include the following:
End-of--Month Contents (see Figure 3)
• Mostly complete record 1950-2002 except for data missing in sporadic monthly values
and in water years 1963 and 1987. The City does not have copies of these data.
• Figure 3 indicates less storage capacity filled during the early years and later years of the
1950-2002 period. According to City representatives, there has not been any change to
the amount of storage capacity available in the reservoir over time except that due to
sedimentation. These low end-of--month contents data are possibly due to how records
have been kept over time.
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