PROJ00366

• Contract/PO #: FS0006X
• Contractor Name: Pagosa Area Water and Sanitation District
• Contract Type: Loan
• Water District: 0
• County: Archuleta
• Loan Projects - Doc Type: Feasibility Study

6-1
6-2
6-3
6-4
6-5
,-, 6-6
6-7
6-8
6-9

7-1
."- 7-2
7-3
8-1
8-2
8-3
8-4

LIST OF TABLES (Cont.)

Table

Page

Water Rights Owned by the PAWSD and SJWCD . . . . . . . . . . . . . . . . . . . . . . . . .. 6-2

Annual Correlation of Streamflows ................................... 6-7

Monthly Correlation of Turkey Creek Streamflows with San Juan River Streamflows

(at Pagosa Springs) ..............,.............................. 6-8

Priority Order Listing of Water Rights on Four Mile Creek ................... 6-13

Priority Order Listing of Water Rights on McCabe Creek .................... 6-14

Priority Order Listing of Water Rights on Stoll steimer Creek .................. 6-15

Development of Dutton Ditch and Four Mile Ditch Diversions ................. 6-20

Evaluation of Net Evaporation at Vallecito Dam National Weather Service Station

(1948-1990) , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-32

Senior Diversions on Hidden Valley and McCabe Creek ..................... 6-36

6-10 Raw Water Supply System Operational Capacities and Demands ................ 6-41

6-11 Hatcher Reservoir Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . .. 6-42

6-12 Stevens Lake Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ,. 6-49

6-13 Hidden Valley Reservoir Operations. . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . .. 6-55

Stream Classifications and Water Quality Standards .......,..........,...... 7-2

Performance History of Stevens Lake Water Treatment Plant ................... 7-3

Effluent Limits - To Stevens Reservoir .,......,..., . . . . . . . . . . . . . . . . . . .. 7-4

Hidden Valley Reservoir Spillway Flood Routing. . . . . . , . . . . . . . . . . . . . . . . . . " 8-5

Hidden Valley Reservoir Construction Cost Estimate ....................... 8-11

Stevens Lake Spillway Flood Routing . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . .. 8-17

Stevens lake Dam Enlargement Construction Costs . . . . . . . . . . . . . . . . . . . . , . . ,. 8-22

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