TABLE of CONTENTS
Acknowledgements
Executive Summary
Wellhead Protection (WHP) Plan Overview
Need for Local Wellhead Protection (WHP) Programs
Cost/Benefit of Local Wellhead Protection
Public Input and Participation in Development of Wyoming's WHP Plan
Preview of Wyoming's Wellhead Protection Plan
I. Introduction
State Wellhead Protection (WHP) Plan Elements
Local Wellhead Protection (WHP) Plan Elements
Federal, State and Local Government Roles
Wellhead Protection (WHP) Management Committees
Public Information and Education
Funding Sources
Additional Information and Technical Resource Material
II. Delineation of Wellhead Protection Areas (WHPAs)
Introduction
Definition of Delineation 'Zones' Within the Wellhead Protection Area
(WHPA)
WHPA Delineation Procedure Overview
Process of WHPA Delineation
Aquifer Media and Groundwater Flow Types
Distinguishing Between Diffuse and Conduit Flow
Accepted Delineation Criteria and Methodologies
Minimum Baseline Methodologies and Criteria for WHPA Zones 1, 2, and 3
Zone 1 - Accident Prevention Zone
Zone 2 - Attenuation Zone
Zone 3 - Remedial Action Zone
Special Considerations
- Springs
- Tunnels
- Limestone Wells
- Wells and Springs Developed in Crystalline and Metamorphic Rocks
- Recharge Areas
- Delineation of Multiple Wells in a Wellfield
- Confined Aquifers
- Groundwater/Surface Water Interaction Areas
- Wells Completed in Multiple Aquifers
WHPA Delineation Report
'Susceptibility Assessment Form'
Sources of Information
III. Inventory of Known and Potential Contaminant Sources
Introduction
Categories of 'Sources' with the Potential to Contaminate Wellhead
Procedures for Inventorying Existing and Potential Sources of
Contamination
Potential Contamination Source Inventory - A Case Study
IV. Potential Contaminant Sources: Management Approaches
Introduction
Management Strategies: Selection Concerns
Groundwater Monitoring in Wellhead Protection Areas (WHPAs)
Developing and Documenting Existing and Proposed Management Strategies
Identification of Existing Local, State and Federal Source Management
Authorities
V. Planning for the Future: Contingency Plans and Plans for Siting New Wells
Introduction
WHP Contingency Planning Team
Identifying and Ranking Potential Problems
Considerations for Contingency Plan Responses
Potential State and Federal Funding for Emergency Drinking Water Supplies
Content and Organization of the Contingency Plan
Planning for New Wells
VI. Developing and Implementing Local Wellhead Protection (WHP) Plans
Emphasis on Public Education and Participation
VII. Submission, Review & Approval of Local Wellhead Protection (WHP) Plans
EPA Monitoring Waivers
VIII. Updating and Revising Local Wellhead Protection (WHP) Plans
Glossary
Bibliography
Appendices
Appendix A: Groundwater Flow Models
Appendix B: Resource Organizations
Appendix C: Additional Published Information and Technical Resources
Forms (Ground-Water Protection Document Request, Publication
Order Form)
Appendix D: Methods for the Delineation of Wellhead Protection Areas (WHPAs)
Appendix E: The Aquifers and Aquifer Systems in Wyoming:
Overview of Geologic and Hydrogeologic Settings in Wyoming
Appendix F: Groundwater Contamination Susceptibility Assessment Survey Form
Appendix G: Susceptibility Assessment Form Assistance Package
Appendix H: Source Identification Form
Appendix I: Summary of Wellhead Protection Tools
Appendix J: Potential Source Hazards, Controls, Assessment and
Management Form
Appendix K: Wellhead Protection Questionnaire and Responses (1991 Public
Information/Education Meetings)
Appendix L: Sample Wellhead Protection Ordinance Provisions
Appendix M: County Emergency Management Coordinators
Appendix N: Summary of Existing Source Capacity and Demand
Appendix O: Contingency Planning Team Roster
Appendix P: Emergency Probability and Severity Chart
Appendix Q: 'Community' PWS WHP Plan Submittal Checklist
Appendix R:
-
- Fact Sheet 1: "Economic Benefit Potential From
Implementation of a Wellhead Protection Program in Wyoming"
- Fact Sheet 2: "Potential Economic Benefits and
Cost-Avoidance to Wyoming Communities (or Public Water
Systems) When Wellhead Protection Plans are Implemented
Sections
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8
Appendices
A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R
Wellhead Protection Program Guidance Document Contents
Wyoming Department of Environmental Quality