Difference between revisions of "SOCIOECONOMICS"

Glen Canyon Dam (GCD) on the Colorado River in northern Arizona provides water storage, flood control, and power system benefits to approximately 40 million people who rely on water and energy resources in the Colorado River basin. Downstream resources (e.g., angling, whitewater floating) in Glen Canyon National Recreation Area (GCNRA) and Grand Canyon National Park are impacted by the operation of GCD. The GCD Adaptive Management Program was established in 1997 to monitor and research the effects of dam operations on the downstream environment. We utilized secondary survey data and an individual observation travel cost model to estimate the net economic benefit of angling in GCNRA for each season and each type of angler. As expected, the demand for angling decreased with increasing travel cost; the annual value of angling at Lees Ferry totaled US$2.7 million at 2014 visitation levels. Demand for angling was also affected by season, with per-trip values of $210 in the summer, $237 in the spring, $261 in the fall, and $399 in the winter. This information provides insight into the ways in which anglers are potentially impacted by seasonal GCD operations and adaptive management experiments aimed at improving downstream resource conditions.

Willingness-to-pay (WTP) studies in the Grand Canyon evaluate the economic value visitors place on environmental conditions, recreational experiences, and Colorado River flow levels.

Key Findings and Studies

Whitewater Boater Valuations: Research comparing private-party Grand Canyon whitewater boater surveys from 1985 and 2015 found that mean trip willingness to pay for varying river flow levels remained remarkably stable over the 30-year span.

Flow Level Preferences: Studies evaluating different hypothetical Colorado River flow scenarios show that boaters place the highest economic value on mid-range flows, with both very low and very high flows yielding lower WTP estimates.

Methodological Testing: Research published by the U.S. Geological Survey has utilized Grand Canyon whitewater data to test the convergent validity between dichotomous choice contingent valuation (DCCV) and discrete choice experiment (DCE) methods, finding general consistency across most tested flow scenarios.

Visibility and Environmental Quality: Older foundational studies (such as contingent valuation research archived by the RAND Corporation) examined public willingness to pay to improve winter visibility and reduce coal-plant-generated haze over the canyon.

• Neher et al., 2018, Exploring convergent validity between willingness to pay elicitation methods—An application to Grand Canyon whitewater boaters: Journal of Environmental Planning and Management
• Neher et al., 2017, Testing the limits of temporal stability—Willingness to pay values among Grand Canyon whitewater boaters across decades. Water Resource Research
• Duffield et al. 2016. Colorado River Total Value Study. National Park Service
• Duffield. 2006. Economic Values of National Park System Resources Within the Colorado River Watershed. National Park Service
• The 2000 Stewart Report: Preferences of Recreation User Groups of the Colorado River in Grand Canyon.
• The 1987 Bishop Study: Grand Canyon Recreation and Glen Canyon Dam Operations: An Economic Evaluation. pg 407-436
• The 1987 Bishop Study: Glen Canyon Dam Releases and Down Stream Recreation: An Analysis of User Preferences and Economic Values. Report to GCES. 398 pgs.

Market values of water and hydropower from Glen Canyon Dam include priced agricultural irrigation, municipal water supply, and commercial electricity sales, while non-market values capture unpriced environmental, cultural, and greenhouse gas benefits.

Market Values

Water Supply: Delivers regulated freshwater storage in Lake Powell for municipal, industrial, and agricultural irrigation across the Southwest.

Hydropower Generation: Produces up to 1,320 megawatts of commercial electricity from its eight generators to serve millions of residential and commercial customers.

System Regulation: Generates flexible peaking capacity that helps stabilize the regional electrical grid during high-demand periods.

Non-Market Values

Ecosystem and Existence Value: Protects downstream riverine habitats, endangered species, and the natural landscape of the Grand Canyon region.

Greenhouse Gas Reductions: Provides non-carbon-emitting energy that studies estimate households are willing to pay extra to preserve over fossil-fuel alternatives.

Cultural and Social Worth: Sustains traditional and spiritual connections for Native American tribes and recreational opportunities for the public.

Quantified Willingness to Pay: Research published via ScienceDirect estimates the net non-market value of continuing current dam operations at roughly $2.15 per year per U.S. household, aggregating to $2.9 billion annually.

• Loomis, 2014, Market and Non-Market Values of Water Resources and Non-Market Values of Hydropower Associated With Glen Canyon Dam: A Theoretical Framework and Literature Review
• Non-Market Values for Alternative Operation of the Glen Canyon Dam: Experiments in Choice and Valuation
• Non-Market Values in Complex Coupled Systems: Theoretical Considerations and Pilot Study Results
• Nonmarket values and Glen Canyon Dam
• Economic Values of Angling in Glen Canyon National Recreation Area and Rafting in Grand Canyon National Park

Passive use valuation (also known as non-use valuation) measures the economic value people place on preserving a natural resource—like the Grand Canyon and the Colorado River ecosystem—even if they never plan to visit it. For the Glen Canyon Dam, passive use valuation has played a historically groundbreaking, yet deeply debated, role in determining how water releases are managed to balance hydropower with environmental preservation.

Historical Context & The 1996 Milestone

Historically, passive use value studies for Glen Canyon Dam provided a landmark shift in how the federal government evaluates public natural resources:

The 1995 Welsh Study: During the initial Environmental Impact Statement (EIS) process in the early 1990s, the Bureau of Reclamation commissioned a massive contingent valuation study (Welsh et al., 1995). It asked Americans nationwide about their "willingness to pay" through higher electricity bills to protect Grand Canyon beaches, cultural sites, and native fish.

The Record of Decision (1996): The 1995 Welsh Study revealed that the American public placed an immense passive economic value on a healthy Grand Canyon ecosystem. This data directly informed the landmark 1996 Record of Decision (ROD) signed by Secretary of the Interior Bruce Babbitt. The decision legally shifted dam operations away from maximizing peak hydropower toward a "Modified Low Fluctuating Flow" model to protect downstream habitats.

The Adaptive Management Program (AMP): Formed in 1997, the Glen Canyon Dam Adaptive Management Program was created to continuously balance stakeholder needs, blending economics with ongoing river science.

Evolution: The LTEMP EIS (2016)

As the 1995 study aged, economists and resource managers questioned the "temporal stability" of those public values (whether people still cared as much 20 years later).The Total Value Study: In preparation for the Long-Term Experimental and Management Plan (LTEMP) EIS, the National Park Service funded an updated passive use valuation study.

Broadening the Scope: Unlike the 1995 study, which focused heavily on downstream riverine impacts, subsequent academic and federal research expanded to measure how the public values the broader basin. This included factoring in the external costs of reducing hydropower, such as regional power grid stability and carbon emissions from alternative energy sources.

Current Efforts & Ongoing Water Crisis

Current efforts in passive use valuation are intensely focused on a landscape altered by severe, multi-decadal drought and historic low reservoir levels.

Socioeconomic Modeling Integration: Agencies like the USGS Grand Canyon Monitoring and Research Center (GCMRC) use advanced bio-physical and socioeconomic models. Instead of relying on standalone surveys, economists now integrate passive use estimations directly into predictive models to see how the public values trade-offs when river flows drop below historic averages.

The Post-2026 Operational Guidelines: With the 2007 Interim Guidelines expiring, the Bureau of Reclamation is actively designing a Supplemental Environmental Impact Statement (SEIS) to rewrite the operating rules for Glen Canyon and Hoover Dams. Passive use valuation forms a core argument for environmental advocates pushing for structural modifications or steady-flow management to save endangered species like the humpback chub.

Addressing the "Deadpool" Dilemma: Recent scientific and economic reviews assess the ultimate passive use trade-off: the value of avoiding systemic ecological collapse in the Grand Canyon versus the immense economic fallout if Lake Powell falls below its power-generating intakes ("deadpool").

• Jenkins-Smith et al. 2016. Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach Report
• Jenkins-Smith et al. 2016. Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach Report II
• Glen Canyon Dam Operations: Passive Use Valuation-- History and Current Efforts
• Ecosystem Valuation: Contingent Valuation Method
• The Colorado River Total Value Survey, a Passive Use Economic Study for the LTEMP EIS.
• The 2016 Colorado River Total Value Study. National Park Service
• Jones et al. 2016. Valuation in the Anthropocene: Exploring options for alternative operations of the Glen Canyon Dam. Water Resources and Economics
• Welsh, M., R. Bishop, M. Phillips, and R. Baumgartner, 1995, Glen Canyon Dam, Colorado River Storage Project, Arizona—Nonuse Value Study Final Report, Madison, Wisc.
• Welsh et al., 1995, GCES non-use values final study summary report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 54 p.
• Welsh et al., 1995, GCES non-use value study final report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 359 p.

• Final Report of the GCMRC Socioeconomic Research Review Panel
• Socioeconomic Ad Hoc Group (SEAHG) Page
• LTEMP EIS Appendix L: Socioeconomic Technical Information and Analysis

2026

• Balancing the Lees Ferry Sport Fishery, Humpback Chub, and Hydropower: Investigations into Experimental Flows and Incentivized Harvest

2025

• Socioeconomics Ad Hoc Group
• Money Can’t Buy Me Fish: Lessons from the Incentivized Harvest Program
• Trading joules for fish? Opportunity costs in the adaptive management of regulated rivers

2024

• Potential Economic Cost of Smallmouth Bass Flows
• Angler Participation and Surveys
• Potential Economic Cost of Smallmouth Bass Flows

2020

• Are there any more surprises? Bioeconomic modeling and adaptive management
• GCMRC 2019 Annual Reporting Meeting Overview – Part 3

2018

• Estimating Non-Use Values for Alternative Operations of Glen Canyon Dam: An Inclusive Approach PPT
• What's it worth? A survey of GCDAMP economic surveys and their usefulness in decision making PPT

2017

• Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach
• Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach II

2016

• Bair et al. 2016, Economic Value of Angling on the Colorado River at Lees Ferry: Using Secondary Data to Estimate the Influence of Seasonality: North American Journal of Fisheries Management, no. 6, vo. 36, p. 1229-1239,
• Socioeconomics Research and Monitoring Update: Project 13.1 – Recreation
• Jenkins-Smith et al., 2016, Estimating Non-Use Values for Alternative Operations of the Glen Canyon Dam: An Inclusive Value Approach
• Non-Market Values in Complex Coupled Systems: Theoretical Considerations and Pilot Study Results
• Law, Values, and Water Management Decisions
• Glen Canyon Dam Operations: Passive Use Valuation-- History and Current Efforts
• Duffield and Patterson. 2016. Economic Analysis of Glen Canyon Angler and Grand Canyon Whitewater Visitor Surveys.

2015

• Non-Market Values for Alternative Operation of the Glen Canyon Dam: Experiments in Choice and Valuation
• Nonmarket values and Glen Canyon Dam
• GCMRC: Socioeconomics Studies
• Information Needs and Program Elements for the AMP Socioeconomic Program and SEAHG
• Non-Market Values for Alternative Operation of the Glen Canyon Dam: Experiments in Choice and Valuation;
• Market and Non-Market Values of Water Resources and Non-Market Values of Hydropower Associated with Glen Canyon Dam: A Theoretical Framework and Literature Review by John Loomis

2014

• GCMRC: Socioeconomics Update
• E-mail Dated September 5, 2014, Subject Recreational Use Study Federal Register Notice and FRN Dated August 26, 2014
• The Colorado River Total Value Survey, a Passive Use Economic Study for the LTEMP EIS
• Economic Values of Angling in Glen Canyon National Recreation Area and Rafting in Grand Canyon National Park

2012

• Recommended Information Needs and Program Elements for A Proposed AMP Socioeconomic Program as Approved by AMWG on Feb. 23, 2012,
• Letter from Bureau of Reclamation and National Park Service to TWG Chair Dated Aug. 15, 2012, Regarding the Socioeconomic Studies in the LTEMP EIS
• Letter from USBR and NPS to TWG Chair Dated August 15, 2012, Regarding Socioeconomic Studies in LTEMP EIS and Peer Review of LTEMP EIS by Science Advisors
• Recommended Information Needs and Program Elements for a Proposed Socioeconomic Program as Approved by the AMWG on Feb. 23, 2012
• Recommended Information Needs and Program Elements for a Proposed AMP Socioeconomic Program

2011

• Table 3 - Socioeconomic Implementation Plan
• Federal Register Notice Prepared by the National Park Service dated Feb. 8, 2011. Action: Agency Information Collection Activities: Proposed Information Collection; Colorado River Ecosystem
• Economic Values of National Park System Resources Within the Colorado River Watershed
• Economic Values of National Park System Resources Along the Colorado River: A Proposal for Estimating Magnitude and Significance
• Economic Values of National Park System Resources Within the Colorado River Watershed: Phase II
• Tables 1 and 2
• Final Revision Accomplished
• Table 3 Revisions

2010

• Final Report of the GCMRC Socioeconomic Research Review Panel
• Socioeconomics Plan FY2011
• Economics 101 Course Recommendations
• Table 1. Socioeconomics Projects Identified in the February 2010 Expert Panel Report
• Comments on Socio Econ Workshop Report
• Socioeconomic Panel and Workshop Report
• TWG Approach to Socioeconomic
• Partial Workshop Report Including Polling Results of the GCMRC TWG Socioeconomic Workshop
• Final Report of the GCMRC Socioeconomic Research Review Panel
• Socioeconomic Workshop: Final Report and Next Steps PPT
• Socio-economic Workshop Results and PPT

2009

• Workshop Prospectus to Guide Development of a Work Plan and Request for Proposal to Address High Priority Socio-Economic Information Needs of the GCDAMP
• Socioeconomics and the Glen Canyon Dam Adaptive Management Program PPT
• Science Advisors Perspective on Needed GCDAMP Socio-economic Research PPT
• Estimating Colorado River Storage Project Economics with the GTMax Model PPT
• Glen Canyon Dam Releases - Economic Consideration Report, E-mail dated 12/10/09, and Tables 1-3
• Integrated Recreation Use and Net Economic Value Utility PPT
• Economic Impacts of the Grand Canyon River Runners and the 2000 LSSF of the Colorado River; Economic Impacts of the 2000 LSSF of the Colorado River PPT
• The Alchemy of Power Economics: Turning watts into dollars
• Upcoming Workshops: General Core Monitoring and Socioeconomic Program Workshop
• Grand Canyon Monitoring and Research Center Updates
• Workshop Prospectus to Guide Development of a Work Plan and Request for Proposal to Address High Priority Socio-Economic Information Needs of the GCDAMP
• Workshop Prospectus to Guide Development of a Work Plan and Request for Proposal to Address High Priority Socio-Economic Information Needs of the GCDMP
• Economic Values of National Park System Resources Within the Lower Colorado River Basin: A Compilation of Existing Data and Proposal for Future Work

1996

• US General Accounting Office. 1996. An Assessment of the Environmental Impact Statement on the Operations of the Glen Canyon Dam

1995

• Welsh, M.P., Bishop, R.C., Phillips, M.L., and Baumgartner, R.M., 1995, GCES non-use values final study summary report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 54 p.
• Welsh, M.P., Bishop, R.C., Phillips, M.L., and Baumgartner, R.M., 1995, GCES non-use value study final report--Glen Canyon Dam, Colorado River storage project: Madison, Wis., prepared for Glen Canyon Environmental Studies, 359 p.

1993

• Harpman, D.A., Welsh, M.P., and Bishop, R.C., 1993, Nonuse economic value--Emerging policy analysis tool: Rivers, v. 4, no. 4, p. 280-291

• Bishop Study for Angler and Rafting Preferences