tn regional water-supply planning technical working group tennessee regional water-supply planning:...
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![Page 1: TN Regional Water-Supply Planning Technical Working Group Tennessee Regional Water-Supply Planning: General Observations and Conclusions TACIR February](https://reader036.vdocuments.net/reader036/viewer/2022062511/551b9e74550346d6338b657e/html5/thumbnails/1.jpg)
TN Regional Water-Supply PlanningTechnical Working Group
TennesseeRegional Water-Supply
Planning: General Observations and
Conclusions
TACIR February 7, 2011
W. Scott GainU.S. Geological Survey, Nashville
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TN Regional Water-Supply PlanningTechnical Working Group
Water Supply Planning
Informed and effective decision makingfor long-term economic and environmental
health and sustainability
Tennessee Communities, Utilities, Stakeholders
Objectives
?
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TN Regional Water-Supply PlanningTechnical Working Group
Water Supply Planning Pilots: designing a process
Informed and effective decision making
All Tennessee Communities and Utilities
Advice and consultation Consulting Engineers
Facilitation, policy, and oversightState Governmentand Regional Authorities
System data and descriptionState and Federal agencies (USGS)Universities
Economic projections and analysis Universities, City planners, TVA etc.
Environmental limitations and decision supportThe Nature Conservancy, other NGO’s
Alternatives and structural analysis Federal agencies (COE) and consulting engineers
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TN Regional Water-Supply PlanningTechnical Working Group
Identifying Gaps
Informed and effective decision making
Numerous Tennessee Communities and Utilities
Consulting Engineers
Facilitation, policy, and oversight
System data and description
Economic projections and analysis
Environmental limitations and decision support
Alternatives and structural analysis
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TN Regional Water-Supply PlanningTechnical Working Group
Two Outcomes
Facilitation, policy, and oversight
System data and description
Economic projections and analysis
Environmental limitations and
Alternatives and structural analysis
All Tennessee Communities and Utilities
Consulting Engineers
A. Specific
B. General
decision support
Informed and effective decision making
Decision Infrastructure: Supporting Agency Cooperation, Data, Policies, and Tools
Analytical methods And procedures
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Collaborative Dialog: TWOG
► TACIR► USACE► USGS► TDEC► TDEC-WPC ► TDEC-DWS► TAUD► TWRA► TNC► TTU► DRA► HVUD► UT► Land Trust for Tennessee► Municipal Governments and utilities
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Recurring Themes: ►Reasons for regional planning►The nature of a good plan►Necessary support►Good practice►State-wide application
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
2. Growing interrelations among users demand that water-supply and drought-management plans address the needs of multiple interests within regions and watersheds and foster greater collaboration among local, state, and federal authorities…
Reasons for regional planning
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Reasons for regional planning
1. Clean and reliable drinking water is vital to the State’s economic well-being and the health of its citizens…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
3. Water supply plans should promote the long-term sustainability of the State’s freshwater resources for the protection of multiple uses and users—including the protection of ecological integrity and biodiversity…
The nature of a good plan
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
2. Water supply planning should consider economic and community development patterns including land-uses that may effect water quantity and quality region-wide…
The nature of a good plan
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
The nature of a good plan
1. Plans for reliable water supplies should provide flexibility, use-efficiency, and risk management with margins of safety…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Necessary support
2. Accurate descriptions of current and historic patterns of water availability (hydrology) and competing demands are essential to planning at regional and larger scales—these data must be regionally consistent and comprehensive…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
1. Timely monitoring and reporting of regional water resource use and system characteristics are essential to support water-supply planning at any scale or timeframe…
Necessary support
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Good practice
3. Open cooperation and joint commitment to planning among multiple water utilities in a region encourages the most efficient use of regional water-supply and financial resources. Third-party mediation may at times be useful to improve trust and perceptions of fairness…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Good practice
2. Good financial management dictates that users pay the full price of services. Regional planning is most effective when systems are accountable for the full cost of their decisions…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Good practice
1. Regional planning is enhanced when funding and regulatory agencies favor appropriate regional planning in applications concerning grants and permits—particularly where public funding may be involved or the feasibility of alternatives is at issue…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Informed and effective decision making
Numerous Tennessee communities and utilitiesConsulting engineers
Common toolbox
State-wide OASIS Modeling
2. Supporting a common model and language (OASIS)…
State-wide application
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
State-wide application
1. Defining regions, the content and character of “regional plans,” and a system to incorporate change…
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TN Regional Water-Supply PlanningTechnical Working GroupTN Regional Water-Supply PlanningTechnical Working Group
Next Steps
►Recommendations►General report