Water Balance for the Lower Colorado River Basin: Impacts of Water Efficiency
Celebrate WATER FLUENCY Gunnison Basin Roundtable in cooperation with the Negotiating our Water...
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Transcript of Celebrate WATER FLUENCY Gunnison Basin Roundtable in cooperation with the Negotiating our Water...
Celebrate WATER FLUENCY
Gunnison Basin
Roundtable in cooperation with the
Negotiating our Water Futurein Colorado & the Colorado River Basin
Water 2012.org
OverviewColorado Water Overview (Water 2012 Speakers Bureau –
statewide education effort)
How water is used/ constraints on useThe West Slope’s predicament Statewide water planning:
How you can participate
•Key Players•The “gap”•Basin Roundtable role
•Trade-offs•Next Steps
Celebrate…because water is important for all that we do
Celebrate… because water has shaped Colorado’s
historySince the beginnings of settlement, mining and
agriculture
© W
est
ern
His
tory
/Genealo
gy D
ept.
, D
enver
Public
Lib
rary
.
Population is increasing but there’s no “new” water
Many uses compete for a scarce and limited water supply
Communities
Agriculture Recreation
Environment
How water is used in Colorado:
86.5 % Agriculture6.7% Municipal3% Recreation, fisheries & in-stream flows (legally
dedicated for those purposes – much more is used recreationally on the way to other uses).
1.9% Commercial, Industrial and Institutional1.9% Augmentation and replacement of
groundwater in shallow aquifers.
Source: Statistics on water deliveries provided by the Colorado State Engineer’s Office to the Colorado Foundation for Water Education in
2002.
Basics of Colorado Water Law:First in time, first in rightWater rights are property rights.
Significant Gunnison Basin Water Rights
1922 Compact: Upper Basin states must “not cause the flow of the River at Lee Ferry to be depleted below an aggregate of 75,000,000 acre feet in any 10 consecutive years.”
Western Colorado’s Predicament
•The 80/20 problem•Growth – in-basin as well as statewide•Imbalance between supply and demand Colorado Basin-wide
- 80% of Colorado’s population is on the Front Range.- 80% of Colorado’s precipitation falls on the Western Slope.
Gunnison River Basin Growth Population increase to
2050 projected to be 96-129% - to >200,000
Projected increase in gross water demand by 2030 is 14,900 acre-feet (underestimates municipal requirements in North Fork Region)
Virtually the entire Gunnison Basin is already over-appropriated (due to historic shortages at Redlands Power Canal near Grand Junction)
Imbalance between supply and demand appear to be increasing throughout the entire Colorado River Basin
(Bureau of Reclamation Study)
CO Water Planning - Key Players
Interest Groups Institutions
Water utilitiesFarmersIndustryEnvironmental
AdvocatesRecreation
AdvocatesLocal governments
CO Water Conservation Board (CWCB): State studies & funding
Basin Roundtables: Stakeholder groups established by the legislature for “bottom-up” planning
Inter-basin Compact Committee (IBCC): Roundtable of Roundtables
Gunnison Basin Roundtable: Seeking Solutions
Assessing NeedsConsumptiveNon-consumptive
Funding ProjectsFixing infrastructureStudiesNon-consumptive needs
Planning and NegotiatingAnalyzing the GapWeighing Trade-offsNegotiating with other Basin Roundtables
IBCC called for the “4-legged stool” Already planned projects (Windy Gap firming, Moffat Collection System, others) plus:
Conservation Ag to Urban
Transfers
New Projects(Colorado Basin development)
Roundtables developed preferred portfolios of these elements to fill the gap.
Trade-off issues: Agricultural losses east of the divide generally go
up as Colorado River Water development goes down.
Agriculture on the Western Slope is highly inter-dependent with agriculture on the eastern plains.
Many are worried about risk: To eastern plains agriculture if we “underdevelop” the
Colorado.Of a “compact curtailment” if we overdevelop it.
Disagreement exists over how much can be saved via conservation: more regulation may be required to get bigger savings.
How You Can Participate: Monitor developments via e-newsletter; sign up at
www.coloradomesa.edu/watercenter to subscribe. Attend Gunnison Basin Roundtable meetings: 1stth Monday
each month, 4-7pm, Holiday Inn Express, Montrose. Talk to your Basin Roundtable Representatives. Find the
info and list at: http://www.coloradomesa.edu/watercenter/RoundtableEducationProject.html
www.ColoradoMesa.Edu/WaterCenter
Water2012.org