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Review of Revised Regional Water Planning Requirements
Spring-Summer 2013 | Matt NelsonManager, Regional Water Planning
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i. Background on planning requirements
ii. Purpose and nature of rule changes
iii. Summary of specific rule changes
Outline
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BASIC PLANNING PARAMETERS:
• water supply plan to meet DOR needs• 50-year planning horizon• 5-year planning cycle• categories of water use:
-municipal -manufacturing -irrigation -mining -livestock -steam-electric power
Background
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- Guidance Principles for the State Water Plan Development §358.3(1)
“The state water plan shall provide for the preparation for and response
to drought conditions.”
Background
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- Texas Water Code, Sec. 16.055. Drought Response Plan
“The state drought manager [TDEM] is responsible for managing and
coordinating the drought response component of the state water plan.”
Background
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Regional Water Planning Requirements
Statute (Texas Water Code)
Agency Rules § (31 Texas Administrative
Code 355, 357, 358)
Regional Water Planning Contract Documents
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Legislature
RWP Requirements
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RWP Contract Documents
TWDB
RWP Requirements
Legislature
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RWP Contract Documents
Less Specific
RWP Requirements
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RWP Contract Documents
Less Specific
More Specific
RWP Requirements
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RWP Contract Documents
Revised in 2012
RWP Requirements
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RWP Contract Documents
Revised in 2012
RWP Requirements
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§355
§357
§358
Planning Rules
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new rules for new statutes
new rules for new requirementsreorganized rules for existing contentemphasized rules for existing content
Types of Rule Revisions
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Purpose & Nature of Rule Changes
• statutory changes
• problems encountered during 2011 drought
• outcomes from agency coordination
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Rule changes will require RWPGs to:
a) report additional (existing) information in plans
b) collect, analyze, and consider additional information
c) make additional recommendations
Impact of Changes
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Rule changes
REGIONAL WATER PLAN CHAPTERS:
1. description2. demands3. supply4. needs5. WMS evaluations6. plan impacts
7. drought response8. policy recommendations9. financing of WMSs10. plan adoption11. implementation &
comparison
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Rule changes
Chapter with Revised Requirements:
1. description2. demands3. supply4. needs5. WMS evaluations6. plan impacts
7. drought response NEW8. policy recommendations9. financing of WMSs10. plan adoption11. implementation &
comparison NEW
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Identify in the plan multiple historic droughts of record (DOR), if applicable
- §357.30(9)
Chapter 1: RWP Area Description
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DOR = 1950s
RWP Area Description
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RWP Area Description
DOR = 1950s
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RWP Area Description
DOR = 1990s
DOR = 1950s
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RWPlans Groundwa
ter Availabilit
y
MAGs
CHAPTER 3: Existing Water Supplies
Where a DFC has been established…
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Groundwater Management
Areas (GMAs) = Texas
Development of DFCs
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GMAs = Texas
Development of DFCs
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Development of DFCs
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GMAs = Texas
Development of DFCs
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Areas with
MAGs
GMAs = Texas
Development of DFCs
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GMAs = Texas
Areas Without DFCs
&‘non-
relevant’ areas
(no MAGs)
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GMAs = Texas
Areas Without DFCs
‘other’ local
aquifer areas
(no MAGs)
&‘non-
relevant’ areas
(no MAGs)
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GMAs = Texas
Areas Without DFCs
‘other’ local
aquifer areas
(no MAGs)
&‘non-
relevant’ areas
(no MAGs)
RWPGs responsible
for availability estimates
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CHAPTER 4: ID of Water Needs
Secondary needs analysis to be performed after recommending conservation and reuse
- §357.33 (e)
New REPORTING REQUIREMENT based on data already developed by RWPG
- no new data or work required
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Total Water Need
s
Needs met by:
Conservation
+ Direct Reuse
Remaining Needs…
Secondary Needs Analysis
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Total Water Need
s
Conservation + Direct Reuse
WMSs
Remaining Needs…
Secondary Needs Analysis
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Total Water Need
s
Conservation + Direct Reuse
WMSs
Remainin
g Needs…
Secondary Needs Analysis
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Total Water Need
s
Conservation + Direct Reuse
WMSs
Remainin
g Needs…
Secondary Needs Analysis
calculated by TWDB & presented in plans
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Potentially Feasible, Evaluated, Recommended WMSs
Chapter 5
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a) TCEQ Environmental Flow Standards
b) potentially applicable BMPs
c) conservation sub-chapter
d) management supply factor (MSF)
e) other
Chapter 5: WMSs
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a.) All WMSs must adhere to relevant adopted environmental flow standards
§357.34(d)(3)(B)
Environmental Flow Stds
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site specific studies (when available)
apply the 1997 “Consensus Criteria for Environmental Flow Needs”
Environmental Flow Stds
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b.) Shall consider potentially applicable BMPs §357.34(f)(2)
Consider BMPs
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§357.34(g)
c.) All Conservation recommendations will be gathered into a Sub-Chapter
REORGANIZATION OF EXISTING PLAN CONTENT ONLY
- no new data or work required
Conservation Sub-Chapter
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NEW REPORTING REQUIREMENT based on data already developed by RWPG
- no new data or work required
d.) Report calculated planning ‘MSFs’ - assuming all recommended WMSs are implemented.
§357.35(g)(2)
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
= ‘management supply factor’
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
• for each WUG• in each decade
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
• for each WUG• in each decade
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
provided by TWDB & presented in plans
MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
factor = 1.0
(example 1) MSF
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DIVIDED BY
Total DemandExisting Supply + WMS Supply
factor > 1.0
(example 2) MSF
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NO GW overdrafts esp. MAGs
brackish desal WMSs must fit within mostMAGs
Other Requirements
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Costing tool for all WMSs
All WMS supply volumes must be firm during DOR
$$$
Other Requirements
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must include more details that go into WMS cost estimates
must include estimate of anticipated water loss in WMS technical evaluations
Other Requirements
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more detailed documentation of all WMS categories that were considered §357.34(c)
reuse desalination
reallocationemergency transfers
conjunctive use
Other Requirements
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RWPs shall include a summary of the identified remaining unmet needs
New REPORTING REQUIREMENT ONLY–TWDB to calculate & provide–By WUG category & decade–Municipal WUGs individually
CHAPTER 6: Plan Impacts & Consistency
§357.40(c)
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Chapter 7: Drought Response Information, Activities, and
Recommendations
A NEW CHAPTER IN ALL PLANS
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As a result of the 2011 drought, TCEQ and TDEM provided input on rules based on:
• number of water systems in danger of running out of water
• lack of implementation of DCPs • lack of information on local options for
water in emergency situation• poor local coordination
Ch. 7 – Background
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Rule changes in response to the 2011 drought will require RWPGs to:
• collect, analyze, & consider additional information
• make additional recommendations
Ch. 7 – Background
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a) recommendations for each existing source - §357.42(c),(i)(2) (triggers and responses)
b) emergency responses to local conditions - §357.42(g) (7,500 population or less; single source)
c) develop region-specific model DCPs -§357.42(j)
d) recommendations to the State Drought Preparedness Council - §357.42(i)
more later…..
Ch. 7 – New Requirements
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i. progress on 2011 plan WMSs
ii. comparison to the previous regional water plan
A NEW CHAPTER IN ALL PLANS
Ch. 11: Implementation & Comparison
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i. Determine level of implementation of 2011 plans §357.45(a)
• survey of sponsors of 2011 WMSs• survey tool to be provided by TWDB
Implementation
STATUS: under study? land acquired? permitted? constructed?
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2016 plan2011 plan
Comparison
ii. Comparison to previous plan §357.45(b)
?• projections• water availability • existing supplies• needs• recommended WMSs
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electronic appendices to include full WAM input files used to determine SW availability including dates of model runs
technical memorandum prior to draft plan
New Regional Plan Content
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2016 plans to incorporate several standardized database reports• reduce costs• consistently report required data• facilitate compliance with rules • facilitate reviews and SWPlan development• comply with agency audit finding
compiled by TWDB – presented in plans
New Regional Plan Content