DRAFT NATURAL RESOURCE PROGRAMMATIC RESTORATION PLAN and ENVIRONMENTAL ASSESSMENT FOR THE OKLAHOMA PORTION OF THE TRI-STATE MINING DISTRICT NATURAL RESOURCE DAMAGE ASSESSMENT AND RESTORATION SITE, IN NORTHEAST, OK DEVELOPED BY: THE TAR CREEK TRUSTEE COUNCIL March 2017 Table of Contents Executive Summary .......................................................................................................... 1 Chapter 1: Introduction .................................................................................................. 3 1.1 Overview of Natural Resource Damage Assessment and Restoration ........................... 3 1.1.1 Natural Resources, Services, Restoration Defined ........................................................ 5 1.1.2 Residual Injury after Response Actions ......................................................................... 6 1.1.3 Coordination with EPA and Tri-State Trustee Councils ................................................ 6 1.2 Purpose and Need for Action ............................................................................................. 6 1.3 Draft Programmatic RP/EA Background Information ................................................... 6 1.4 NRDAR Settlement History in Northeastern Oklahoma ................................................ 7 Chapter 2: Tri-State Mining District History and Background ................................... 9 2.1 Tri-State Mining District Description ............................................................................... 9 2.2 Tri-State Mining District History ...................................................................................... 9 2.3 NOMNRDAR Site ............................................................................................................. 10 2.4 Tribal Presence in the TSMD........................................................................................... 10 2.5 Tar Creek Superfund Site Remediation History ............................................................ 11 2.5.1 Tar Creek OU Sediment/Surface water connection to other sites ............................... 12 2.6 Injured Resources and Services from Releases of Heavy Metals from TSMD ........... 14 Chapter 3: Restoration Alternatives ............................................................................. 19 3.1 Goals and Objectives of Restoration ............................................................................... 19 3.2 Restoration Alternatives ................................................................................................... 19 3.2.1 Restoration Definitions ................................................................................................ 19 3.2.2 Restoration Project Types ............................................................................................ 20 3.2.3 No Action: Alternative 1.............................................................................................. 20 3.2.4 On-Site Restoration: Alternative 2 .............................................................................. 21 3.2.5 Off-Site Restoration: Alternative 3 .............................................................................. 21 3.2.6 On- and Off–Site Restoration: Alternative 4 (Preferred Alternative) .......................... 21 3.3 Restoration Project Packages Process ............................................................................. 24 3.4 Evaluation Criteria and Process for Evaluating Potential Projects ............................. 24 3.4.1 Climate Change ........................................................................................................... 27 Chapter 4: Affected Environment ................................................................................. 28 4.1 Terrestrial Resources ........................................................................................................ 28 4.2 Aquatic Resources ............................................................................................................. 28 4.2.1 Surface Water Resources ............................................................................................. 28 4.2.2 Groundwater Resources ............................................................................................... 29 4.3 Biological Resources ......................................................................................................... 30 4.4 Threatened and Endangered and Other Protected Species .......................................... 31 4.5 Tribal Cultural Resources ................................................................................................ 32 4.6 Climate ............................................................................................................................... 32 Chapter 5: Evaluation of Alternatives and Environmental Consequences ............... 34 5.1 Overview ............................................................................................................................ 34 5.1.1 Recreation .................................................................................................................... 34 5.1.2 Socio-Economics ......................................................................................................... 35 5.1.3 Cumulative Impact ....................................................................................................... 35 5.1.4 Environmental Justice .................................................................................................. 35 5.2 Evaluation of Alternative 1 (No Action) .......................................................................... 35 ii 5.2.1 Terrestrial Resources / Habitat Impacts ....................................................................... 35 5.2.2 Aquatic Resources / Habitat Impacts ........................................................................... 35 5.2.3 Biological Resources Impacts ...................................................................................... 36 5.2.4 T&E Species Impacts .................................................................................................. 36 5.2.5 Tribal Cultural Resources Impacts .............................................................................. 36 5.2.6 Recreation Impacts ...................................................................................................... 36 5.2.7 Socio-Economic Impacts ............................................................................................. 36 5.2.8 Climate Change Impacts .............................................................................................. 36 5.2.9 Cumulative Impacts ..................................................................................................... 36 5.2.10 Environmental Justice Impacts .................................................................................. 36 5.3 Elements Common to Alternatives 2, 3, and 4 ................................................................ 37 5.3.1 Socio-Economic Impacts ............................................................................................. 37 5.3.2 Climate Change Impacts .............................................................................................. 37 5.3.3 Cumulative Impacts ..................................................................................................... 37 5.3.4 Environmental Justice Impacts .................................................................................... 38 5.4 Environmental Consequences of Alternative 2: On-Site Restoration .......................... 38 5.4.1 Terrestrial Resources / Habitat Impacts ....................................................................... 38 5.4.2 Aquatic Resources / Habitat Impacts ........................................................................... 38 5.4.3 Biological Resources Impacts ...................................................................................... 39 5.4.4 T&E Species Impacts .................................................................................................. 39 5.4.5 Tribal Cultural Resources Impacts .............................................................................. 39 5.4.6 Recreation Impacts ...................................................................................................... 39 5.5 Environmental Consequences of Alternative 3: Off-Site Restoration .......................... 39 5.5.1 Terrestrial Resources / Habitat Impacts ....................................................................... 40 5.5.2 Aquatic Resources / Habitat Impacts ........................................................................... 40 5.5.3 Biological Resources Impacts ...................................................................................... 40 5.5.4 T&E Species Impacts .................................................................................................. 40 5.5.5 Tribal Cultural Resources Impacts .............................................................................. 41 5.5.6 Recreation Impacts ...................................................................................................... 41 5.6 Environmental Consequences of Alternative 4: Combination of On-Site and Off-Site Restoration (Preferred Alternative) ...................................................................................... 41 5.6.1 Terrestrial Resources / Habitat Impacts ......................................................................