Acknowledgements The Executive Office of Energy and Environmental Affairs (EEA) would like to thank the Massachusetts Emergency Management Agency and in particular, the staff from EEA, Department of Conservation and Recreation - Office of Water Resources, Department of Environmental Protection, and Department of Fish and Game for their invaluable technical and policy input on the Plan. EEA would also like to extend its gratitude to all the federal agencies who provided key technical expertise, to members of the public who reviewed, commented and made suggestions on various sections of the Plan, and finally to the Drought Management Task Force and the Massachusetts Water Resources Commission who provided invaluable feedback, input and final approval of the Plan. September 2019 Governor Charlie Baker, Secretary Kathleen A. Theoharides, Secretary Thomas Turco Massachusetts Executive Office of Energy and Environmental Affairs 100 Cambridge Street, Suite 900 Boston, MA 02114 Massachusetts Emergency Management Agency 400 Worcester Rd, Box 1496 Framingham, MA 01701 Massachusetts Drought Management Plan 2019 Page 1 TABLE OF CONTENTS Section 1: Introduction ............................................................................................................... 7 1.1 Purpose of the Plan .................................................................................................................... 7 1.2 Scope and Applicability .............................................................................................................. 7 1.3 Background ................................................................................................................................ 8 1.3.1 Massachusetts’ Climate - Past, Present and Future ............................................................. 8 1.3.2 Drought Impacts ................................................................................................................... 9 1.3.3 History of Drought in Massachusetts ................................................................................... 9 1.3.4 History of the Drought Plan ................................................................................................ 10 Section 2: Authority and Coordination ..................................................................................... 10 2.1 EEA and MEMA ........................................................................................................................ 10 2.2 Drought Management Task Force ........................................................................................... 11 2.2.1 Composition ........................................................................................................................ 11 2.2.2 Purpose and Responsibilities .............................................................................................. 12 2.3 Drought Management Mission Group ..................................................................................... 13 2.4 State and Federal Support Agencies ........................................................................................ 14 Section 3: Drought Assessment and Determination .................................................................. 14 3.1 Drought Levels ......................................................................................................................... 14 3.2 Drought Regions ....................................................................................................................... 14 3.3 Critical Information Requirements .......................................................................................... 16 3.4 Drought Indices ........................................................................................................................ 17 3.4.1 Methods for Calculating Indices ......................................................................................... 18 3.4.2 Precipitation........................................................................................................................ 19 3.4.3 Streamflow.......................................................................................................................... 21 3.4.4 Groundwater ...................................................................................................................... 22 3.4.5 Lakes and Impoundments .................................................................................................. 24 3.4.7 Evapotranspiration ............................................................................................................. 26 3.4.8 Additional Information ....................................................................................................... 27 Massachusetts Drought Management Plan 2019 Page 2 Section 4: Process of Determining Drought Status ...................................................................... 28 4.1 DMTF Deliberation and Drought Recommendation ................................................................ 28 4.2 Drought Declaration ................................................................................................................. 29 4.3 End of Drought ......................................................................................................................... 29 Section 5: Drought Communication ......................................................................................... 29 5.1 Communication Platforms ....................................................................................................... 29 5.2 Communication with State and Local Entities ......................................................................... 30 5.2.1 EEA and MEMA Responsibilities ......................................................................................... 30 5.2.2 Other State Agencies’ Responsibilities ............................................................................... 31 5.3 Communicating with the Public ............................................................................................... 31 5.4 Communicating with the Media .............................................................................................. 32 5.5 Emergency Alert and Notification ............................................................................................ 32 5.6 Notification of the End of Drought Conditions ........................................................................ 33 Section 6: Summary of Responsibilities by State Agency ........................................................... 33 6.1 Executive Office of Energy and Environmental Affairs (EEA) .................................................. 33 6.2 Massachusetts Emergency Management Agency (MEMA) ..................................................... 33 6.3 Department of Conservation and Recreation (DCR) ................................................................ 34 6.4 Department of Environmental Protection (MassDEP) ............................................................. 34 6.5 Department of Agricultural Resources (DAR) .......................................................................... 35 6.6 Department of Fish and Game (DFG) ....................................................................................... 36 6.7 Department of Public Health (DPH) ......................................................................................... 37 6.8 Department of Public Utilities (DPU) ....................................................................................... 37 Section 7: Drought Preparedness and Response Actions of State Agencies ................................ 37 7.1 State Agency Drought Preparedness Actions .......................................................................... 37 7.2 State Agency Drought Response Actions ................................................................................. 40 7.2.1 State Guidance on Nonessential19 Outdoor Water Use Restrictions ................................. 40 7.2.2 Level 1- Mild Drought ......................................................................................................... 41 7.2.3 Level 2- Significant Drought ................................................................................................ 42 7.2.4 Level 3- Critical Drought ..................................................................................................... 44 7.2.5 Level 4- Emergency Drought ............................................................................................... 45 Massachusetts Drought Management Plan 2019 Page 3 Section 8: Drought Preparedness and Response Actions – Guidance for Communities .............. 47 8.1 Community Drought Preparedness Actions ............................................................................ 47 8.1.1 Develop a Water Conservation Program ........................................................................... 48 8.1.2 Develop a Local Drought Management Plan ...................................................................... 50 8.2 Community Drought Response Actions ................................................................................... 53 8.2.1 Local or Regional Water Agencies/Suppliers ...................................................................... 55 8.2.2 Local Public Health and Safety Agencies ............................................................................ 55 Section 9: Post-Drought Actions ..............................................................................................