City Of Shawnee Public Meeting

1. City Of Shawnee Public Meeting Water Management Plan

2. City of Shawnee Public Meeting Water Quality/Quantity History • Old Plant was constructed prior to 1930 Upgraded in 1956 • The New Plant was constructed in 1981 • The Second Clarifier (Phase I )was Completed in 2002 • The Pilot Study for the Ozonation System was completed in 2002 • The installation of Ozonation was completed in 2004

3. City of Shawnee Public Meeting • Lake # 1 was constructed in 1935 Capacity of 22,600 ac-ft, 21 sq mile watershed • Lake # 2 was constructed in 1960 Capacity of 11,400 ac-ft, 11 sq mile watershed • Atoka water line was constructed in 1982 • Wes Watkins was constructed in 1995 Capacity of 14,065 ac-ft, 39 sq mile water shed

4. City of Shawnee Public Meeting D/DBB Regulations • The Original Rules were promulgated in 1979, the MCL was set at 100 ppb • The 1996 Enhanced Surface water Rules lowered the limit to 80 ppb, the new MCL went into effect in 2002 • The City of Shawnee Received a Consent Order on April 15, 1999 • Several Addendums were issued Subsequently

5. City of Shawnee Public Meeting High Priority Water Uses • Residential Use Household Use • Medical Use • Emergency Management Use • Agricultural Use • Commercial Use Production Based

6. City of Shawnee Public Meeting Optional Water Uses • Lawn Care • Swimming Pool • Decorative Fountain • Personal Car Wash • Aesthetics Use

7. City of Shawnee Public Meeting Current Conditions

8. City of Shawnee Public Meeting Drought Monitor Continues http://www.drought.unl.edu/dm/thumbnails/12_week.gif

9. City of Shawnee Public Meeting Current Lake # 1 Level http://www.shawneeok.org/PublicWorks/Water/Default.asp

10. City of Shawnee Public Meeting Current Precipitation http://climate.ocs.ou.edu/rainfall_update.html

11. City of Shawnee Public Meeting Normal Precipitation

12. City of Shawnee Public Meeting Annual Stream Flow Map http://water.usgs.gov/nwc/maps/wy.html

13. City of Shawnee Public Meeting Interesting Data to keep in mind 1944-1945 52.72 in of Rainfall 1954-1955 20.79 in of Rainfall 1957-1958 49.66 in of Rainfall 1980-1981 24.93 in of Rainfall 1994-1995 45.13 in of Rainfall 1996-1997 35.75 in of Rainfall 2000-2001 39.33 in of Rainfall

14. Annual Precipitation in Central Oklahoma 5 5 Dry Periods Annual Precipitation Wet Periods 4 5 Precipitation [in] 3 5 2 5 5-yr weighted average CD3405; 1895-2004 1 5 1 8 9 5 1 9 1 5 1 9 3 5 1 9 5 5 1 9 7 5 1 9 9 5 Year USDA-ARS-GRL Preliminary, subject to revision

15. City of Shawnee Public Meeting • Drought is a common natural hazard in the State of Oklahoma • Oklahoma has experienced many cycles of Normal condition followed by drought condition

16. City of Shawnee Public Meeting The significant Drought condition of recent years: The Drought of 1952-1957 .Short fall of 18.42 in The Drought of 1980-1981 .Shortfall of 13.07 in The Drought of 1996-1997…..Shortfall of 8.5 in The Drought of 1998……… Shortfall of 4.15 in The Drought of 2003………Shortfall of 7.36 in The Drought of 2005……….Shortfall of 11.50 in

17. City of Shawnee Public Meeting OklahomaDrought Photo Gallery http://www.drought.unl.edu/gallery/2004/Oklahoma/Oklahoma.htm

18. City of Shawnee Public meeting The data indicates that Drought Conditions are prevalent in Oklahoma It is imperative to develop a water management policy that is comprehensive and implementable that could be used in perpetuity with consideration to sustainable growth in Shawnee

19. City of Shawnee Public Meeting Sustainable water use can extend the life of water resources Improper water use during dry condition can lead to a decrease in water distribution capability

20. City of Shawnee Public Meeting Category I, Demand Based Level One: When the average weekly usage exceeds 6,000,000 gallons per day: • Residential, other than household purposes: Outside water usage restricted to 7:01 P.M. to 10 A.M. with odd-numbered houses utilizing water on odd-numbered days and even-numbered houses utilizing water on even-numbered days • Commercial: Exterior water usage restricted in the same manner as residential use

21. City Of Shawnee Public Meeting Level Two: When the average weekly usage exceeds 6,500,000 gallons per day: • Residential, other than household purposes: Water usage restricted to 7.01 P.M. to 10 A.M. on the odd-even system restriction with odd-numbered houses utilizing water on Monday and Thursdays and even-numbered houses utilizing water on Tuesday and Friday during the above hours • Commercial: Exterior water usage restricted in the same manner as residential use

22. City of Shawnee Public Meeting Category II, Supply Based Level One: When the lake level reaches 1063 feet above sea level and the average weekly usage exceeds 4,000,000 gallons per day: • Residential, other than household purposes: Water usage restricted to 7:01 P.M. to 10:00 A.M. with odd-numbered houses utilizing water on odd-numbered days and even-numbered houses utilizing water on even-numbered days • Commercial: Users required to reduce water usage by ten per cent (10%) as compared to the previous year's usage figures

23. City of Shawnee Public Meeting Level Two: When the lake level reaches 1061 feet above sea level and the average weekly usage exceeds 3,500,000 gallons per day: • Residential, other than household purposes: Water usage restricted to 7:01 P.M. to 12:00 P.M. on the odd-even system with odd-numbered houses utilizing water on Monday and even-numbered houses utilizing water on Friday during the above hours • Commercial: Users required reducing water usage by fifteen per cent (15%) as compared to the previous year's usage figures • Other: Lawn watering, refilling or adding water to public and private swimming pools and automobile washing is forbidden (except for commercial vehicle wash facilities which will adhere to 15% reduction of total use)

24. City of Shawnee Public Meeting Level Three: When the lake level reaches 1059 feet above sea level and the average weekly usage exceeds 3,000,000 gallons per day: • Residential: There will be no usage authorized for other than household purposes. Outside Water usage will be limited to watering shrubs and young trees only, in accordance with best practices • Commercial and the Governmental : Users required to reduce water usage by twenty-five per cent (25%) as compared to the previous year's usage figures • Other: Lawn watering, refilling or adding water to public and private swimming pools and automobile washing forbidden (except for commercial vehicle wash facilities which will adhere to 25% reduction of total use)

25. City of Shawnee Public Meeting Options • Supply • Treatment • Distribution

26. City of Shawnee Public Meeting Supply • Wes Watkins • Pilot Study—Carbon Adsorption • Blending • Air Strip • Out of Box • Twin Lakes • Hydraulics • Upgrading Intake Structure • Atoka • Connecting the 24 inch pipe • Groundwater Wells

27. City of Shawnee Public Meeting Treatment Ozone-6.5 mgd Regulatory Compliance

28. City of Shawnee Public Meeting Distribution • Check/Repair all Leaks • Verify the Condition of all valves • Installation of additional Towers • Installation of new Pump Station • Extending the lines to form a loop