WSP08310

• File Number: 8220.124.A
• Description: Pine River
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 7/1/1965
• Author: Pine River Soil Cons
• Title: Watershed Work Plan: Pine River Watershed La Plata and Archuleta Counties Colorado
• Water Supply Pro - Doc Type: Report/Study

TABLE OF CONTENTS -- Continued

Pa~e

TABLES
Table 1 - Estimated Project Installation Cost 34
Table 1A - Status of Watershed Works of Improvement 35
Table 2 - Estimated Structural Cost Distribution 36
Table 2A - Cost Allocation and Cost-Sharing Summary 37
Table 3 - Structure Data - Floodwater-Retarding Structures 38
Table 3A - Structure Data - Distribution System Structures 39
Table 4 - Annual Cost 40
Table 5 - Estimated Average Annual Flood Damage
Reduction Benefits 41
Table 6 - Comparison of Benefits and Costs for
Structural Measures 42
Table 7 - Construction Units 43

INVESTIGATIONS AND ANALYSES
Project Formulation 44
Hydrology and Hydraulics Investigations 44
Engineering Investigations 47
Geologic Investigations 50
Sedimentation Investigations 51
Economic Investigations 51

Figure 1 - Typical Floodwater-Retarding Structure, Following Page 55
Figure 2 - Typical Inverted Siphon
Figure 3 - Water Supply and Demand Curve
Figure 4 - Water Supply and Demand by Months (Curve)
Project Map - Pine River Watershed