ACKNOWLEDGEMENTS Many individuals contributed their time, energy, and expertise to the development of the Lake Maumelle Watershed Management Plan. Deserving special credit are members of the Central Arkansas Water Board of Commissioners and staff, the Policy Advisory Council and Technical Advisory Council. i February 2007 n Tetra Tech, Inc. Lake Maumelle Watershed Management Plan 2007 CAW Board of Commissioners Tony Kendall, Chair Roby Robertson, Ph.D., Vice Chair Jay Hartman, Secretary Jane Dickey Eddie Powell Thomas Rimmer Francille Turbyfill CAW Staff Jim Harvey, Chief Executive Officer Bruno Kirsch, J.D., P.E., Director of Watershed Management and Chief Operating Officer Marie Crawford, Director of Communications Gary Hum, Director of Source & Treatment Steve Morgan, Director of Regionalism & Future Water Source Dennis Yarro, P.E., Supervisor of Water Sources Jos Bell, GIS Manager Shani Canada, Communications and Administrative Support Assistant Brandi McGreevy, Communications and Administrative Support Assistant Policy Advisory Council Member Representing Designation Mr. Tony Kendall, Commission Chair Central Arkansas Water Board of Primary Commissioners Roby Robertson, Ph.D., Central Arkansas Water Board of Alternate Commission Vice Chair Commissioners Ms. Jane Dickey, Commissioner Central Arkansas Water Board of Alternate Commissioners Ms. Kate Althoff, Coordinator Citizens Protecting Maumelle Watershed Primary Mr. Barry Haas Citizens Protecting Maumelle Watershed Alternate Ms. Ruth Bell League of Women Voters of Pulaski County Primary Ms. Kathleen Oleson League of Women Voters of Pulaski County Alternate Mr. Randy Wilbourn Little Rock Regional Chamber of Primary Commerce Mr. Jay Chesshir, President and Chief Little Rock Regional Chamber of Alternate Executive Officer Commerce Mr. Steve Owen, Chairman of Board of North Little Rock Chamber of Commerce Primary Directors Mr. James Dietz North Little Rock Chamber of Commerce Alternate Ms. Stacy Hurst, City Director City of Little Rock Primary Ms. Barbara Graves, Vice Mayor City of Little Rock Primary (former) Mr. Neil Bryant, Alderman City of North Little Rock Primary Mr. Harrison Jones, Justice of the Peace Perry County Quorum Court Primary Mr. Charlie Clements, Justice of the Peace Perry County Quorum Court Alternate Ms. Patricia Dicker, Justice of the Peace Pulaski County Quorum Court Primary ii Tetra Tech, Inc. n February 2007 Policy Advisory Council (continued) Member Representing Designation Mr. Kevin Pierson, Director of Audubon Arkansas Primary Conservation Ms. Stephanie Hymel, Conservation Audubon Arkansas Alternate Program Manager Mr. Glen Hooks, Associate Regional Sierra Club Primary Representative Mr. Dale Ingram Sierra Club Alternate Mr. Charles R. Nestrud, Attorney Deltic Timber Corporation Primary Mr. Larry Hedrick, Integrated Resources U.S. Forest Service Primary Team Leader Mr. Jeff Allison, Board Member, Water Association within Watershed Primary Maumelle Water Corp. Mr. Herb Dicker, President, Ratepayers – Little Rock Neighborhoods Primary LR Neighborhood Connections Ms. Kathy G. Wells, President Coalition Ratepayers – Little Rock Neighborhoods Alternate of Neighborhoods Mr. Mike Simpson, Operations & Ratepayers – Master-Metered Customer Primary Maintenance Director Mr. Robert Stout, Operations Manager Ratepayers – Master-Metered Customer Alternate Ms. Sue Corker, Neighborhood Leader Ratepayers – North Little Rock Primary Neighborhoods Mr. Jack Finnegan, Neighborhood Leader Ratepayers – North Little Rock Alternate Neighborhoods Mr. Wally Loveless, Associate Broker Arkansas Realtors Association Primary Mr. Kenneth Gill, Relocation Director Arkansas Realtors Association Alternate Mr. John Bentley Small Property Owners - Western Portion Primary Mr. Ray Vogelpohl Small Property Owners - Western Portion Alternate Ms. Marge Brewster Small Property Owners - Northern Portion Primary Mr. Earl Hillard Small Property Owners - Northern Portion Alternate Mr. John Bryant Grande Maumelle Sailing Club Primary Ms. Nicole Claas Grande Maumelle Sailing Club Alternate Mr. Randy Day, President, Maumelle Maumelle Bass Club Primary Bass Club iii February 2007 n Tetra Tech, Inc. Lake Maumelle Watershed Management Plan Technical Advisory Council Member Agency/Organization Mr. Dick Cassat, Chief of Environmental Arkansas Department of Environmental Quality Preservation and Technical Services Division Mr. Roger Miller, Senior Geologist Arkansas Department of Health Mr. John Shannon, State Forester Arkansas Forestry Commission Mr. Ken Brazil, P.E., Engineer Supervisor Arkansas Natural Resources Commission Ms. Stephanie Hymel, Conservation Program Audubon Arkansas Manager Mr. Bruno Kirsch, Jr., P.E., Central Arkansas Water Director of Watershed Management Munsell McPhillips, Ph.D., Principal Scientist Deltic Timber Corporation Mr. Walter Malone, Manager Little Rock Department of Planning and Development Mr. Jim McKenzie, Executive Director Metroplan Council of Local Governments Ms. Ashley Pope, Director Pulaski County Department of Planning and Development Mr. Alan Clingenpeel, Forest Hydrologist U.S. Forest Service Reed Green, Ph.D., Hydrologist U.S. Geological Survey Carl R. Stapleton, Ph.D., Associate Professor University of Arkansas at Little Rock and Director Morris Cranmer, Ph.D., Professor University of Arkansas for Medical Sciences Special thanks also goes to Professor Richard Ducker of the University of North Carolina School of Government and Mr. Craig Benedict, Director of Planning, Orange County NC, for the valuable assistance they provided. iv Tetra Tech, Inc. n February 2007 TABLE OF CONTENTS Executive Summary .......................................................................................... ES–1 1 Introduction ..................................................................................................1–1 1.1 The Call for a Comprehensive, Scientifically-Based Watershed Plan ..................................................................................1–1 1.2 The Approach For Watershed Study and Management Plan Development .............................................................................1–4 1.3 Carrying Out The Project Phases ......................................................1–6 2 Proposed Management Strategies—Overview .............................................2–1 2.1 Overarching Strategy for Protecting Lake Maumelle .......................2–1 2.2 Key New Actions Recommended ......................................................2–4 2.3 Administration and Oversight..........................................................2–4 3 Manage Impacts from New Development ...................................................3–1 3.1 Manage Post-construction Impacts ...................................................3–1 3.2 Development Agreements ...............................................................3–13 3.3 Provide Exemptions to the Watershed Plan Requirements ............3–13 3.4 Manage Wastewater Impacts ...........................................................3–15 3.5 Control Sedimentation and Erosion During Construction Phase...3–19 3.6 Develop Design Guidelines and Maintenance Requirements for New Roads, Streets, and Driveways ...........................................3–22 3.7 Abate Public Health Threats ..........................................................3–22 4 Acquire Conservation Land ..........................................................................4–1 4.1 Why Communities Use Land Acquisition in Watershed Management ......................................................................................4–1 4.2 Types of Land Acquisition ................................................................4–4 4.3 Criteria Used to Target Investment in Conservation Land ...............4–5 4.4 Conservation – Strong Foundation of the Lake Maumelle Watershed Management Plan ...........................................................4–5 5 Mitigate Hazardous Material Spills ...............................................................5–1 5.1 Address Fixed Sources .......................................................................5–1 5.2 Address Mobile Sources ....................................................................5–2 6 Improve and Maintain Existing Roads ..........................................................6–1 6.1 Develop Strategic Plan for Unpaved Roads in the Watershed .........6–1 7 Continue Good Lake Management Practices ...............................................7–1 7.1 Continue Strong Regulation of Reservoir Uses Consistent with Stewardship of the Lake ....................................................................7–1 7.2 Continue Managing Boat Marina Operations...................................7–5 8 CAW – Setting the Example .........................................................................8–1 8.1 General Management of CAW Property ...........................................8–1 8.2 CAW Supporting Implementation of the Management Plan ...........8–3 v February 2007 n Tetra Tech, Inc. Lake Maumelle Watershed Management Plan 9 Maintain Good Forest Practices ....................................................................9–1 9.1 Encourage Continued Use of Good Harvest BMPs...........................9–1 9.2 Encourage Better Use of Forest Road BMPs .....................................9–3 9.3 Develop Enhanced Fire Management Plan .......................................9–4 10 Encourage Good Livestock Management ...................................................10–1 10.1 Recommended