2006-2007 ANNUAL REPORT

MPWMD MITIGATION PROGRAM

WATER ALLOCATION PROGRAM EIR

Prepared August 2009

TABLE OF CONTENTS

SECTION PAGE

I. Introduction and Executive Summary................................................................... I-1

II. Monitor Water Resources.................................................................................. II-1

III. Manage Water Production................................................................................ III-1

IV. Manage Water Demand.................................................................................... IV-1

V. Monitor Water Usage........................................................................................ V-1

VI. Augment Water Supply..................................................................................... VI-1

VII. Allocation of New Water Supply..................................................................... VII-1

VIII. Determine Drought Reserve............................................................................ VIII-1

IX. Steelhead Fishery Mitigation Measures ............................................................. IX-1

X. Riparian Habitat Mitigation Measures................................................................. X-1

XI. Lagoon Habitat Mitigation Measures................................................................. XI-1

XII. Aesthetic Mitigation Measures......................................................................... XII-1

XIII. Summary of Program Costs (July 2005-June 2006)........................................ XIII-1

XIV. References .................................................................................................... XIV-1

LIST OF FIGURES

FIGURE PAGE

II-1 Daily Rainfall at San Clemente Dam, WY 2007 ............................................... II-14

II-2 Monthly Distribution of Rainfall at San Clemente Dam....................................... II-15

II-3 Principal Streamflow Measuring Stations in Carmel River Basin......................... II-16

II-4 Cumulative Unimpaired Runoff, Carmel River at San Clemente Dam................. II-17

II-5 End-of-Month Storage for Water Resources System, WY 2007 ...................... II-18

II-6 Daily Streamflow and Groundwater Elevation at Rancho Canada...................... II-19

II-7 Daily Streamflow and Groundwater Elevation at CAWD Rio North.................. II-20

II-8 Groundwater Elevations in Seaside Basin Monitoring Wells............................... II-21

II-9a/b Water Quality in Carmel Valley Monitoring Wells............................................. II-22

II-9c/d Water Quality in Carmel Valley Monitoring Wells............................................. II-23

II-9e Water Quality in Two Coastal Wells in Seaside................................................. II-24

II-10 Locations of Water Temperature Measurement Stations.................................... II-25

II-11 Water Temperature Data at Carmel River Lagoon, RY 2006-07 ...................... II-26

II-12 Water Temperature Data at Garland Park Site, RY 2006-07............................ II-26

II-13 Water Temperature Data Recorded at Sleepy Hollow Weir, RY 2006-07........ II-27

II-14 Water Temperature Data Above San Clemente Dam, RY 2006-07.................. II-27

II-15 Water Temperature Data Below Los Padres Dam, RY 2006-07....................... II-28

II-16 Water Temperature Data Above Los Padres Dam, RY 2006-07...................... II-28

II-18 Carmel River Lagoon Water Surface Elevations, February 2007....................... II-29

III-1 CAW and Non-CAW Production v. MPWMD Allocation Limits...................... III-6

V-1 CAW Water Use Per Connection, 1980-2007................................................... V-5

IX-1 Streamflow at Highway 1 Bridge and Lagoon Surface Elevation....................... IX-11

IX-2 Steelhead Smolts Rescued from Carmel River Basin (1989-2007)................... IX-12

IX-3 Steelhead Rescues in Mainstem Carmel River (1989-2006)............................. IX-13

IX-4 Daily Count of Adult Steelhead at San Clemente Dam, RY 2007..................... IX-14

IX-5 Number of Steelhead at San Clemente Dam (1954-2007)............................... IX-15

IX-6 Juvenile Steelhead Population Density -- (Selected Years 1973-2006)............ IX-16

IX-7 Number of Steelhead Reared Below San Clemente Dam, 1990-2006............. IX-17

X-1 Irrigation Totals for July 2005-June 2006 Period ............................................. X-13

XI-1 Map of Monitoring Transects and Stations at Carmel River Lagoon ................ XI-10

XI-2 Carmel River Lagoon Bathymetric Cross Sections, 1994-2006 ...................... XI-11

LIST OF TABLES

TABLE PAGE

I-1 Summary of Mitigation Program Components.................................................... I-14

I-2 Mitigation Program Accomplishments in 2006-2007.......................................... I-16

II-1 Carmel River Basin Total Annual Streamflow Summary, 1992-2007 ................ II-30

II-2 Carmel River Lagoon Water Quality Data, RY 2006-2007 .............................. II-31

II-3 Sleepy Hollow Weir Water Quality Data, RY 2006-2007................................. II-32

II-4 Below Los Padres Dam Water Quality Data, 2006-2007................................. II-32

III-1 Water Production Summary for WY 2006........................................................ III-7

III-2 Water Production Summary for WY 2007........................................................ III-8

IV-1 CAW Permits Issued by MPWMD in Fiscal Year 2006-2007.......................... IV-5

V-1 Allocation Limit vs. Water Production (WY 2006 and WY 2007)...................... V-4

VII-1 Status of Water Allocations as of June 30, 2007 ............................................. VII-2

IX-1 Migrant Fyke Trap Results, Spring 2007......................................................... IX-18

IX-2 Juvenile Steelhead Rescued by Age and Location, RY 2006-2007.................. IX-19

IX-3 Fish Survival at Sleepy Hollow Facility, July 2006-Feb 2007........................... IX-20

IX-4 Sleepy Hollow Facility Fish Release Location Summary................................... IX-21

IX-5 Juvenile Steelhead Population Density at Survey Stations (1990-2006)............ IX-22

IX-6 Benthic Macroinvertebrate Values at Five Carmel River Sites (Nov 2006)....... IX-23

X-1 Riparian Species Planted, July 2006-June 2007................................................ X-11

X-2 Monthly Water Use for Irrigation in RY 2006-2007......................................... X-12

XI-1 Map of Monitoring Transects at Carmel River Lagoon..................................... XI-10

XI-2 Carmel River Lagoon Cross Sections, 1994 to 2007....................................... XI-11

XIII-1 Breakdown of Mitigation Program Costs (July 2006-June 2007)..................... XIII-2