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Colorado: An Air Quality History

Colorado: An Air Quality History. WESTAR SPRING BUSINESS MEETING MAR CH 29 – 30, 2010. Colorado by the Numbers. 5.17 million residents statewide (est.) 4.24 million residents in Front Range (est.) 54 “14ers” 29 Ski Areas GDP by Major Industry Sector (2007): Services – $65.7 Billion

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Colorado: An Air Quality History

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  1. Colorado:An Air Quality History WESTAR SPRING BUSINESS MEETING MAR CH 29 – 30, 2010

  2. Colorado by the Numbers • 5.17 million residents statewide (est.) • 4.24 million residents in Front Range (est.) • 54 “14ers” • 29 Ski Areas • GDP by Major Industry Sector (2007): • Services – $65.7 Billion • Finance, Insurance and Real Estate – $44.1 • Government - $28.0 • Information – $21.4 • Manufacturing - $15.2 • Retail Trade - $14.3 • Wholesale Trade - $13.2 • Construction - $12.4 • Mining - $10.9

  3. 1970 Clean Air Act • Most Sweeping Environmental Legislation in United States History • Set National Health-Based Air Quality Standards • Carbon Monoxide • Lead • Nitrogen Oxide • Ozone • Total Suspended Particulates • Sulfur Dioxide • Required States to Establish and Maintain Clean Air • Required Each State to Adopt a State Implementation Plan and Establish Permitting and Enforcement Systems

  4. NONATTAINMENT • Denver-Metropolitan Area • 4 of 6 Original Criteria Pollutant Standards (Carbon Monoxide, Lead, Nitrogen Oxide, Ozone) • Also Nonattainment for PM10 Standard that replaced the TSP Standard in 1987 • More Than a Dozen CO/PM10 Nonattainment Areas Throughout the State

  5. Proactive Colorado (Firsts and Near-Firsts) • 1977: Colorado Car (High Altitude Emissions Standards) • 1981: Automobile Inspection and Maintenance Programs • 1985: Emissions Standards for New Woodburning Stoves • 1987: Mandatory Testing for Individual Diesel Vehicles and Fleets • 1988: Oxygenated Fuels Program along Colorado’s Front Range • 1990: Urban Visibility Standard • 1990: Banned Sale of Non EPA-Certified Stoves • 1993: Banned Installation of Woodburning Fireplaces in New Construction • 1995: Enhanced Automobile Inspection and Maintenance

  6. Colorado Air Quality Today • All Areas of Colorado Attaining Original National Ambient Air Quality Standards • Working Effectively Toward Attainment of Newer, More Stringent Ozone Standard • Expanding Air Quality Monitoring Network • Expanding Air Quality Forecasting Statewide

  7. Changing Demographics • Front Range Population Estimates • State Population Estimates • 1970: 2,209,596* • 1980: 2,889,733* • 1990: 3,294,394* • 2000: 4.33 million (2000 census) • 2010: 5.17 million* • 2020: 6.19 million* • 2030: 7.23 million* • 2000: 3.54 (2000 census) • 2010: 4.24 million* • 2020: 5.01 million* • 2030: 6.15 million* * Colorado State Demography Office

  8. Colorado Air Quality Challenges • More Stringent Standards • Ozone • 1997 Standard:.08 ppm • 2008 Standard: .075 ppm • 2010 (Proposed): .06 - .07 ppm • Nitrogen Dioxide • 1971 Standard: .053 ppm annual average • 2010 Standard: 100 ppb (1-hour daily max) • PM 2.5 • 1997 Standards: 65 μg/m3 (24-hour avg.) and 15 μg/m3 (annual) • 2006 Standards: 35 μg/m3 (24-hour avg.) and 15 μg/m3 (annual)

  9. Colorado Air Quality Challenges • Regional Haze • Requires visibility improvements • National Parks and Wilderness Areas • Submitted BART for 12 Facilities in 2007 and 2008, plus other chapters • Working on Reasonable Progress and BART Review with U.S. EPA (Region 8) in 2010 • Mercury • Over 18 Hg Fish Consumption Advisories in Colorado water bodies • Statewide Regulations to Reduce EGU Mercury Emissions (2012, 2014, 2018)

  10. Colorado Air Quality Initiatives • Proposed Clean Air/Clean Jobs Act • Sharply reduce air pollutants by retiring, retrofitting or repowering Northern Front Range coal‑fired power plants by or before the end of 2017 (or sooner) • Will help Colorado meet Regional Haze SIP Requirements • Will help Colorado meet Ozone and NO2 requirements • House Bill 10-1001 • Requires 30 percent of electricity be generated by renewable sources by 2020 • Requires 3 percent be met by solar power • 100,000 solar rooftops • Consumer and Rate-payer protections

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