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Dallas Water Utilities and One Water: A Water Efficient Future

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Presentation by Terry Lowery, Director of Dallas Water Utilities, for the 2019 Gulf Coast Water Conservation in Houston, Texas.

Published in: Environment
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Dallas Water Utilities and One Water: A Water Efficient Future

  1. 1. Dallas Water Utilities One Water: A Water Efficient Future 8th Annual Gulf Coast Water Conservation Symposium Terry S. Lowery Director Dallas Water Utilities February 28, 2019 United Way Community Resource Center Houston, Texas
  2. 2. OUTLINE • Dallas Water Utilities Background • Long Range Water Supply Planning • Water Conservation • “One Water” 2
  3. 3. 3 DALLAS WATER UTILITIES FACT SHEET • Founded in 1881 • Funded from wholesale and retail water and wastewater revenues and stormwater fees (receives no tax dollars) • 699 square mile service area • Approximately 1,650 employees • 2.5 million treated water customers • 1.3 million – Retail (City of Dallas) • 1.2 million – Wholesale • 300,000+ retail customer accounts • 23 wholesale treated water • 4 Wholesale untreated water • 11 wholesale wastewater • FY19 Operating and Capital Budgets of $1.1B
  4. 4. (1955) (1952) (1973) (1964) (1981) (1971) (1990) 4 DALLAS’ REGIONAL SYSTEM CURRENT WATER SUPPLY
  5. 5. CITY OF DALLAS WATER AND WASTEWATER ASSETS • 7 reservoirs, (6 connected) • 4,983 miles of water mains • 3 water treatment plants with a combined capacity of 900 MGD • 23 pump stations • 9 elevated and 12 ground storage tanks • Value of water assets $3.6B • Treated 142 BG of water in FY18 5 • 2 wastewater treatment plants with a combined capacity of 280 MGD • 15 wastewater pump stations • 4,040 miles of wastewater main • Value of wastewater assets $2.4B • Treated 62 BG of wastewater in FY18
  6. 6. CITY OF DALLAS STORM DRAINAGE SYSTEM 6 • 8 storm water pump stations with a combined capacity of 2.8 BGD • 1,963 miles of storm sewers • 30 miles of levees • 39,000 acres of floodplain
  7. 7. LONG RANGE WATER SUPPLY PLANNING FOR FUTURE SUSTAINABILITY 7 • Dallas’ 1959 Long Range Water Supply Plan was updated in 1975, 1989, 2000, 2005 and 2014 • The 1959 study recommended that Dallas supply water to surrounding cities • The passage of Senate Bill 1 of the 75th Legislative Session in 1997 changed water supply planning throughout the State • Regional water planning groups established • Regional and State water plans required every five years • Local plans to be provided to the Regional Water Planning Group for consideration in the Regional Water Plan
  8. 8. 2014 DALLAS LONG RANGE WATER SUPPLY PLAN 8 • Water Management Strategies • Additional Water Conservation • Indirect Reuse Implementation • NTMWD Swap Agreement • Main Stem Balancing Reservoir • Connect Lake Palestine • Neches Run-of-the-River • Lake Columbia
  9. 9. EFFECTS ON EXISTING SUPPLIES 9 Sedimentation Decreased Storage Volume Climate Change Increased Evaporation
  10. 10. RECOMMENDED STRATEGIES 2020 - 2070
  11. 11. CITY OF DALLAS WATER CONSERVATION PROGRAM 1 1
  12. 12. BRIEF HISTORY OF THE DALLAS WATER CONSERVATION PROGRAM • 1980 – 2000: Education and outreach • 2001: Irrigation Ordinance adopted; conservation rate tier added; Water Conservation Division established • 2002: Public Awareness Campaign • 2005: Five-Year Strategic Plan adopted; proactive leak detection and repair accelerated • 2006: Mascot DEW joins Conservation • 2010: Five-Year Plan updated • 2012: Irrigation Ordinance amended to include mandatory twice weekly maximum schedule • 2016: Five-Year Work Plan adopted 1 2
  13. 13. WATER CONSERVATION IRRIGATION ORDINANCE • Mandatory Irrigation Efficiency Scheduling • 2001 - Irrigation prohibited between 10 a.m. and 6 p.m. • 2012 - Maximum Twice Weekly Watering Schedule • Prohibited Reckless Irrigation Behaviors • Watering with broken, misaligned or missing heads • Watering causing excessive runoff • Watering impervious surfaces (sidewalks, streets, etc.) • Watering during precipitation or freezing temperatures • Rain/freeze sensors required on all automatic systems 1 3
  14. 14. * Estimated Water Savings Since FY2001 – 316 Billion Gallons WATER CONSERVATION PROGRAM CHRONOLOGY AND TRENDS •Five-Year Work Plan Updated Target GPCD 1% 1.5%
  15. 15. DWU WATER CONSERVATION TODAY • Public Awareness Campaign • Regional Campaign with TRWD- ‘Water Is Awesome’ www.WaterIsAwesome.com • Local Campaign- ‘Save Water. Nothing Can Replace It’ www.SaveDallasWater.com • Environmental Education Initiative K-12 • 26,914 children reached • Water-Wise Landscape Tour • Currently in its 25th year • Water-Wise Seminars Year-Round 1 5
  16. 16. City of Dallas Water Conservation Today
  17. 17. WHERE DO WE GO MOVING FORWARD • Industrial, Commercial, Institutional Rebate Program • An effort to help small businesses and companies defray the cost of new equipment and processes that conserve water • Residential Irrigation/ Landscape System Incentive Program • Incentives to Single and/ Multi Family residents that retrofit their existing irrigation systems with water-conserving equipment • City of Dallas demonstration garden • As part of City re-organization for 2019 Water Conservation will be consolidated into Office of Environmental Quality and Sustainability 1 9
  18. 18. ONE WATER 20
  19. 19. ONE WATER DEFINED One Water is an integrated planning and implementation approach to managing finite water resources for long-term resilience and reliability, meeting both community and ecosystem needs 2 1
  20. 20. BENEFITS OF A ONE WATER APPROACH • Greater resilience and reliability; • Opportunities to optimize regional infrastructure; • Sustainable community development; • New regulatory flexibility or opportunity; • Economic growth opportunity; and • Increased coordination among agencies/departments 22
  21. 21. Source: American Research Foundation, Blueprint for One Water, Project #4660
  22. 22. “Dallas’ One Water system will allow the City to manage watersheds, water resources, and water facilities in a more environmentally, economically and socially beneficial manner.” T.C. Broadnax, Dallas City Manager 24
  23. 23. FRAMEWORK OF ONE WATER DALLAS • Regional Systems • Regulatory Oversight • Infrastructure • System Operation • Water Quality Monitoring • Emergency Services • Long Range Planning Needs 25
  24. 24. Actions Taken • Established functional work groups among programs, provided support structure for programs to continue operations • Finalizing logistical moves for consolidated work groups • Established work processes to keep water, wastewater and stormwater revenues separate • Coordinated five year funding and rate projections for each of the three utilities • Developing scope for Comprehensive Stormwater System Assessment 26
  25. 25. FUNDAMENTALS OF ONE WATER 27 Environmental Stewardship Social Equity Economic Prosperity
  26. 26. QUESTIONS? Terry S. Lowery Director Dallas Water Utilities terry.lowery@dallascityhall.com 28 @DallasWaterUtilities

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