WSP09050

• File Number: 8220.106
• Description: Animas-La Plata
• State: CO
• Basin: San Juan/Dolores
• Water Division: 7
• Date: 5/10/2002
• Author: USDOI-BOR
• Title: Wetland / Riparian Mitigation and Monitoring Plan in the La Plata River Corridor - Final Draft
• Water Supply Pro - Doc Type: Report/Study

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TABLE OF CONTENTS (Continued)

Page

CHAPTER 5. MAINTENANCE PLAN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
5.1 Maintenance Activities ..............................................47
5.2 Maintenance Schedule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
5.3 Responsible Parties .................................................47
5.4 Operations and Maintenance Costs .....................................48

CHAPTER 6. COMPLETION OF MITIGATION COMMITMENTS... .. ... .. ... .. ....49
6.1 Notification of Completion ........................................... 49
6.2 Agency Confirmation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

CHAPTER 7. ACTIONS SUPPLEMENTAL TO THE ALP WETLANDS AND WILDLIFE

MITIGATION ............................................................... 50
7.1 Supplemental Actions in the La Plata River Basin .........................50
7.2 Wetland Development on Basin Creek. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

LITERATURE CONSULTED ..................................................51

List of Fil!Ures

Figure 1. General site location map for the wetland/riparian mitigation study area . . . . . . . . . . . 5
Figure 2. Location for the ALP wetland/riparian Mitigation Area ....................... 6
Figure 3. Baseline habitat map for the ALP wetland/riparian Mitigation Area. ............. 7
Figure 4. Wetland/riparian mitigation/monitoring map for the La Plata River Corridor. . . . . . . . 9
Figure 5. Cross-section of the La Plata River valley. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 6. Monthly La Plata Flows at the State Line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 7. Mean Daily La Plata River Flows at State Line and Hesperus. . . . . . . . . . . . . . . . . . . 18
Figure 8. Typical annual flows into and out of the La Plata River System. ................ 19
Figure 9. Red Mesa Ward Reservoir Service Area Relative to the MA. . . . . . . . . . . . . . . . . . . .24
Figure 10 La Plata Basin Drainage Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 27
Figure II General Riparian Weed Density Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .38

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