FINAL ENGINEERING REPORT

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1 FINAL ENGINEERING REPORT FORT PECK ASSINIBOINE AND SIOUX WATER SUPPLY SYSTEM DRY PRAIRIE RURAL WATER SYSTEM JANUARY 2002 VOLUME I

2 FINAL ENGINEERING REPORT FORT PECK ASSINIBOINE AND SIOUX WATER SUPPLY SYSTEM DRY PRAIRIE RURAL WATER SYSTEM JANUARY 2002 Watson Engineering, Inc. Helena, MT.

3 TABLE OF CONTENTS EXECUTIVE SUMMARY STATISTICAL SUMMARY 1. FORT PECK RESERVATION RURAL WATER SYSTEM ACT OF 2000, PL EXHIBIT A - Fort Peck Reservation Rural Water System Act of 2000, PL EXHIBIT B - Fort Peck Reservation Rural Water System Act of 2000, House Report INTRODUCTION 2.1 General Background Guide to Remaining Chapters of Final Engineering Report Brief Description of Project River Intake Water Treatment Plant Pipelines Pumping Stations Reservoirs Roles of the Sponsors and Agencies Sponsors Role Federal Role State Role: Dry Prairie DEMOGRAPHICS 3.1 Population and Growth Rates of Project Area Montana Indian Population and Growth Rates Project Population Projection From 1990 Census Distribution of 1990 Population Within Project Area Comparison of Population Projections with 2000 Census Housing and Source of Water DESIGN CRITERIA 4.1 Summary of Sizing Criteria Residential Water Use Criteria Residential Water Needs Household Water Needs Gardening and Lawn Sprinkling Total Residential Use ii

4 Table of Contents (cont) 4.3 Water Requirements for Non-Residential, Community Purposes Schools General Labor Force Requirements Beauty Shops Dentist Offices Hospitals Laundro-Mats Motels and Restaurants Service Stations Total of Commercial Demands: Remaining Demand Available for Parks, Golf Courses and Other Total Community Demand Livestock Demands Design Criteria and Cost Analysis Sizing Criteria Maximum Day Sizing Criteria Peak Use Rates Pipeline and Pump Station Sizing Method Trial Pipeline Diameter Final Trial Pipeline Diameter Hydraulic Gradeline Pipeline Pressure Pump Station Criteria Method of Applying Criteria EXISTING PUBLIC WATER SYSTEMS 5.1 Public Water System Housing and Service Connections Existing Public Water System Facilities WATER TREATMENT 6.1 Water Quality Considerations Secondary Contaminants Hardness Total Dissolved Solids Iron Manganese Primary Inorganic Contaminants Arsenic Radionuclides Sulfates Fluoride iii

5 Table of Contents (cont) 6.4 Microbiology and Turbidity Filtration Chlorination Disinfection Byproducts Groundwater Rule Water Treatment Processes Raw Water Characteristics Processes Disinfectants and Disinfectant Byproducts EXHIBIT A - NATIONAL DRINKING WATER STANDARDS 7. PROJECT COSTS 7.1 Project Cost Summary River Intake Water Treatment Plant Unit Pipe Prices Introduction and Summary Easements Costs Pumping Stations, Reservoirs, SCADA and Electrical Distribution Pumping Stations Storage Tanks Supervisory Control and Data Acquisition (SCADA) Instrumentation Electrical Distribution Minor Construction Items and Contingencies Mobilization, Taxes, Bonds, Insurance and General Overhead Values and Other Appurtenance Costs Meter Pits Highway, Railroad and Stream Crossings Operation and Maintenance Buildings Contingencies Non-Contract Costs Environmental Mitigation Federal Oversight Sponsor Administration Investigations Design Surveys and Geotechnical Design Construction Inspection iv

6 Table of Contents (cont) 7.8 Value Engineering CONSTRUCTION SCHEDULE 8.1 Construction by Project Segment Scheduling of OMR Costs Activities in Advance of Each Year s Construction Preliminary Route Permission to Survey and Easement Aquisition: Fort Peck Indian Reservation Permission to Survey and Easement Aquisition: Dry Prairie Surveys and Investigations for Engineering, Cultural Resources and Hazardous Waste Purposes Permitting Design, Design Review and Plan Amendment Period of Advertisement, Bid Opening, Notice of Award And Notice to Proceed OPERATION, MAINTENANCE, AND REPLACEMENT COSTS AND RATE STRUCTURE 9.1 Summary Assiniboine and Sioux Rural Water System Facility Replacements, Electrical and Related Staffing Costs Dry Prairie Rural Water System Dry Prairie Monthly Cost and Billing Basis Existing Water Costs, Sewer Costs and Water System Debt ABILITY TO PAY 10.1 General American Housing Survey Regional Household Income Regional Electrical Costs Regional Housing Costs Regional Residual Income Regional Ability to Pay for Water Montana Target Rate ECONOMIC IMPACT 11.1 Summary Project Costs Employment and Earnings v

7 Table of Contents (cont) 11.4 Livestock Avoided Costs PWS Treatment Community and Rural Water Sources Excess Water Softening Costs Excess Costs of Water Heater Replacement Excess Costs of Bottled Water Federal Water Quality Compliance Brine Contamination Indian Health Costs Value of Improved Water Quality LIST OF REFERENCES VOLUME II - APPENDICES - FINAL ENGINEERING REPORT APPENDIX A - VALUE ENGINEERING APPENDIX B - ACCOUNTABILITY REPORT ON VALUE ENGINEERING APPENDIX C - UNIT PIPE PRICES vi

8 LIST OF TABLES Statistical Summary - Assiniboine and Sioux Dry Prairie Rural Water Systems SS-1 Chapter 1 Chapter 2 Chapter 3 Table 3-1 Historic Population and Growth Rates, Fort Peck Indian Reservation and Counties in Project Area 3-1 Table 3-2 Population and Growth Rate of Montana Indians 3-3 Table 3-3 Population Projections 3-3 Table Population of Communities, Public Water Systems and Table 3-5 Rural Areas, Fort Peck Indian Reservation and Dry Prairie 3-5 Comparison of Projected Population with 2000 Census, Project Totals 3-6 Table 3-6 Comparison of Projected Population with 2000 Census, Indian 3-6 and Non-Indian Table 3-7 Comparison of 1990 and 2000 Census, Places and Rural 3-8 Table 3-8 Table Housing - Fort Peck Indian Reservation, Dry Prairie And Montana 3-10 Sewer, Plumbing and Water Source, Fort Peck Indian Reservation Dry Prairie and Montana 3-11 Chapter 4 Table 4-1 Design Water Requirements 4-2 Table 4-2 Per Capita Residential Water Use as Determined by John Hopkins University 4-5 Table 4-3 Projected Household Water Needs 4-8 Table 4-4 Summary of Residential Water Use John Hopkins 1965 Study 4-10 Table 4-5 Non-Residential Water Use 4-12 Table 4-6 Student Population and Water Requirements, Fort Peck Indian Reservation and Dry Prairie 4-13 Table 4-7 Average and Maximum Day Water Requirements for Communities 4-16 Table 4-8 Summary of Residential Water Use, John Hopkins 1965 Study 4-19 Table 4-9 Basis for Selecting Trial Pipeline Size 4-22 viii

9 List of Tables (cont) Chapter 5 Table 5-1 Public Water System Population, Housing and Service Connections 5-2 Table 5-2 Existing Public Water System Facilities 5-5 Chapter 6 Table 6-1 Selected Water Quality Parameters and Observations 6-3 Table 6-2 Estimated Costs and Benefits from Reducing Arsenic in Drinking Water (1999$ in Millions) 6-9 Table 6-3 Lifetime Incidence Risks per 100,000 Population, 90 th Percentile 6-9 Table 6-4 Suspended Sediment and Turbidity, % of Time Values Are Less Than Indicated 6-18 Table 6-5 Water Treatment Processes 6-21 Chapter 7 Table 7-1 Total Project Costs - Fort Peck/Dry Prairie 7-2 Table 7-2 River Intake Field Costs 7-5 Table 7-3 Regional Water Treatment Plant Construction Costs Adjusted To October 1998 Dollars 7-6 Table 7-4 Water Treatment Plant Cost Predictions 7-7 Table 7-4a Weighted Unit Pipe Price by Diameter, Fort Peck Indian Reservation 7-10 Table 7-4b Weighted Unit Pipe Price by Diameter, Dry Prairie 7-10 Table 7-6 Comparison of Unit Pipe Prices From Different Sources 7-11 Table 7-7 Estimated Costs of Easements 7-14 Table 7-8 Mni Wiconi Pump Stations Costs 7-16 Table 7-9 Pumping Station Costs, Fort Peck/Dry Prairie 7-16 Table 7-10 Transmission Line Storage 7-19 Table 7-11 Storage Tank Costs 7-20 Table 7-12 Construction Contract Costs for General Overhead and Requirements 7-24 Table 7-13 Constructed Costs of Valves and Other Appurtenant Items 7-25 Table 7-14 Construction Costs of Crossings 7-27 Table 7-15 Sponsor Administrative Costs 7-29 Table 7-16 Decisions on Value Engineering Recommendations 7-33 ix

10 List of Tables (cont) Chapter 8 Table 8-1 Table 8-2 Construction Schedule, Fort Peck Assiniboine Sioux MRI System/Dry Prairie RWS 8-2 Illustrative Schedule of Activities in Advance of Construction Start 8-5 Chapter 9 Table 9-1 Summary of Annual Operation, Maintenance and Replacement Costs 9-1 Table 9-2 Annual Operation, Maintenance and Replacement Costs, Fort Peck Assiniboine and Sioux Rural Water System 9-3 Table 9-3 Historical Distribution Costs of Regional Rural Electric Cooperatives 9-5 Table 9-4 Annual Costs of OMR Staff, Assiniboine and Sioux Rural Water System 9-7 Table 9-5 Annual Costs of OMR Equipment, Assiniboine and Sioux Rural Water System 9-8 Table 9-6 Annual Operation, Maintenance and Replacement Costs, Dry Prairie Rural Water System 9-9 Table 9-7 Annual Costs of OMR Staff, Dry Prairie Rural Water System 9-10 Table 9-8 Annual Costs of OMR Equipment, Dry Prairie Rural Water System 9-10 Table 9-9 Monthly Costs and Billing Option, Stable Population 9-12 Table 9-10 Monthly Costs and Billing Option, Declining Population 9-13 Table 9-11 Water and Sewer Costs: Water System Debt 9-15 Chapter 10 Table 10-1 Sample Data From American Housing Survey Computation of Annual Residual Income and Annual Cost of Water and Sewer 10-1 Table 10-2 Water and Sewer Cost per $1,000 Residual Income by Frequency Class Based on 1993 American Housing Survey 10-2 Table 10-3 Ability to Pay, Fort Peck Indian Reservation, Dry Prairie and Montana 10-6 Table 10-4 Annual Cost of Electricity by Investor Owned Utilities and Rural Electrical Cooperatives 10-6 Table 10-5 Tenure and Housing Costs, Fort Peck Indian Reservation, Dry Prairie and Montana 10-7 Table 10-6 Ability To Pay, Rocky Boys Project - North Central Montana 10-9 x

11 LIST OF FIGURES Figure 1-1 Fort Peck Assiniboine and Sioux RWSS Project Location 1-2 Figure 1-2 Fort Peck Assiniboine and Sioux/Dry Prairie Rural Water Supply System 1-3 Figure 1-3 Transmission Pipes and Pumps 1-4 Figure Census Blocks 3-9 Figure 7-1 Water Treatment Plant Costs, 1998 Dollars 7-8 Figure 7-2 Pump Station Costs by Component 7-18 Figure 11-1 Cancer Mortality Figure 11-2 Diabetes Mortality Figure 11-3 Mortality From Heart Disease vii

12 List of Tables (cont) Table10-7 Willingness To Pay, Rocky Boys Project - North Central Montana Table 10-8 Estimated Willingness To Pay - Fort Peck Indian Reservation and Dry Prairie Table 10-9 Montana Target Rates Chapter 11 Table 11-1 Net Benefits, Fort Peck Reservation Rural Water System 11-1 Table 11-2 Estimated Life Cycle Costs of Building and Replacing Water Treatment Plants for Individual Communities Throughout The Project Regions 11-4 Table 11-3 Avoided Costs of Community Water Sources 11-6 Table 11-4 Water Softening Costs Above Level of Missouri River Hardness 11-8 Table 11-5 Water Heater Costs Above Level of Missouri River Hardness 11-9 Table 11-6 Bottled Water Costs Above Level of Missouri River Hardness Table 11-7 Costs of Compliance With Proposed Rules Table 11-8 Selected Monitoring Costs Table 11-9 Projected Federal Savings in Future Indian Health-Care Costs, Fort Peck Indian Reservation Table National Health Cost Information xi

Annual Drinking Water Quality Report 2015 MINERAL WELLS PSD 53 Fox Run Dr. Mineral Wells WV, PWS# WV June 13, 2016

Annual Drinking Water Quality Report 2015 MINERAL WELLS PSD 53 Fox Run Dr. Mineral Wells WV, PWS# WV June 13, 2016 Why am I receiving this report? Drinking Water Quality Report 2015 MINERAL WELLS PSD 53 Fox Run Dr. Mineral Wells WV, 26150 PWS# WV3305405 June 13, 2016 In compliance with the Safe Drinking Water Act Amendments,