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Water Management PlanWater Management Plan

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Water Quality/Quantity HistoryWater Quality/Quantity History • Old Plant was constructed prior to 1930Old Plant was constructed prior to 1930

Upgraded in 1956Upgraded in 1956• The New Plant was constructed in 1981The New Plant was constructed in 1981• The Second Clarifier (Phase I )was Completed The Second Clarifier (Phase I )was Completed

in 2002in 2002• The Pilot Study for the Ozonation System was The Pilot Study for the Ozonation System was

completed in 2002completed in 2002• The installation of Ozonation was completed The installation of Ozonation was completed

in 2004in 2004

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• Lake # 1 was constructed in 1935Lake # 1 was constructed in 1935

Capacity of 22,600 ac-ft, 21 sq mile Capacity of 22,600 ac-ft, 21 sq mile watershedwatershed

• Lake # 2 was constructed in 1960Lake # 2 was constructed in 1960

Capacity of 11,400 ac-ft, 11 sq mile Capacity of 11,400 ac-ft, 11 sq mile watershedwatershed

• Atoka water line was constructed in 1982Atoka water line was constructed in 1982• Wes Watkins was constructed in 1995Wes Watkins was constructed in 1995

Capacity of 14,065 ac-ft, 39 sq mile water Capacity of 14,065 ac-ft, 39 sq mile water shedshed

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D/DBB RegulationsD/DBB Regulations• The Original Rules were promulgated in The Original Rules were promulgated in

1979, the MCL was set at 100 ppb1979, the MCL was set at 100 ppb• The 1996 Enhanced Surface water The 1996 Enhanced Surface water

Rules lowered the limit to 80 ppb, the Rules lowered the limit to 80 ppb, the new MCL went into effect in 2002new MCL went into effect in 2002

• The City of Shawnee Received a The City of Shawnee Received a Consent Order on April 15, 1999 Consent Order on April 15, 1999

• Several Addendums were issued Several Addendums were issued SubsequentlySubsequently

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High Priority Water Uses High Priority Water Uses • Residential UseResidential Use

Household UseHousehold Use

• Medical UseMedical Use• Emergency Management UseEmergency Management Use• Agricultural UseAgricultural Use• Commercial UseCommercial Use

Production BasedProduction Based

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Optional Water UsesOptional Water Uses• Lawn CareLawn Care• Swimming PoolSwimming Pool• Decorative FountainDecorative Fountain• Personal Car Wash Personal Car Wash • Aesthetics UseAesthetics Use

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Current ConditionsCurrent Conditions

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Drought Monitor ContinuesDrought Monitor Continues

http://www.drought.unl.edu/dm/thumbhttp://www.drought.unl.edu/dm/thumbnails/12_week.gifnails/12_week.gif

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Current Lake # 1 LevelCurrent Lake # 1 Level

http://www.shawneeok.org/PublicWorks/Water/Default.asp

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Current PrecipitationCurrent Precipitation

http://climate.ocs.ou.edu/rainfall_updahttp://climate.ocs.ou.edu/rainfall_update.htmlte.html

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Normal PrecipitationNormal Precipitation

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Annual Stream Flow MapAnnual Stream Flow Map

http://http://water.usgs.gov/nwc/maps/wy.htmlwater.usgs.gov/nwc/maps/wy.html

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Interesting Data to keep in mindInteresting Data to keep in mind1944-19451944-1945 52.72 in of Rainfall52.72 in of Rainfall1954-19551954-1955 20.79 in of Rainfall20.79 in of Rainfall1957-19581957-1958 49.66 in of Rainfall49.66 in of Rainfall1980-19811980-1981 24.93 in of Rainfall24.93 in of Rainfall1994-19951994-1995 45.13 in of Rainfall45.13 in of Rainfall1996-19971996-1997 35.75 in of Rainfall35.75 in of Rainfall2000-20012000-2001 39.33 in of Rainfall39.33 in of Rainfall

Annual Precipitation in Central Oklahoma

Year

Pre

cip

itat

ion

[in

]

Annual Precipitation

5-yr weighted average

Dry PeriodsWet Periods

CD3405; 1895-200415

25

35

45

55

1895 1915 1935 1955 1975 1995

USDA-ARS-GRLPreliminary, subject to revision

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• Drought is a common natural hazard Drought is a common natural hazard in the State of Oklahomain the State of Oklahoma

• Oklahoma has experienced many Oklahoma has experienced many cycles of Normal condition followed cycles of Normal condition followed by drought conditionby drought condition

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The significant Drought condition of recent years:The significant Drought condition of recent years:

The Drought of 1952-1957 .Short fall of 18.42 inThe Drought of 1952-1957 .Short fall of 18.42 inThe Drought of 1980-1981 .Shortfall of 13.07 inThe Drought of 1980-1981 .Shortfall of 13.07 inThe Drought of 1996-1997…..Shortfall of 8.5 inThe Drought of 1996-1997…..Shortfall of 8.5 inThe Drought of 1998……… Shortfall of 4.15 inThe Drought of 1998……… Shortfall of 4.15 inThe Drought of 2003………Shortfall of 7.36 inThe Drought of 2003………Shortfall of 7.36 inThe Drought of 2005……….Shortfall of 11.50 inThe Drought of 2005……….Shortfall of 11.50 in

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OklahomaOklahoma Drought Photo GalleryDrought Photo Gallery

http://www.drought.unl.edu/gallery/20http://www.drought.unl.edu/gallery/2004/Oklahoma/Oklahoma.htm04/Oklahoma/Oklahoma.htm

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The data indicates that Drought The data indicates that Drought Conditions are prevalent in OklahomaConditions are prevalent in Oklahoma

It is imperative to develop a water It is imperative to develop a water management policy that is management policy that is comprehensive and implementable comprehensive and implementable that could be used in perpetuity with that could be used in perpetuity with consideration to sustainable growth consideration to sustainable growth in Shawneein Shawnee

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Sustainable water use can extend Sustainable water use can extend the life of water resourcesthe life of water resources

Improper water use during dry Improper water use during dry condition can lead to a decrease in condition can lead to a decrease in water distribution capabilitywater distribution capability

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Category I, Demand BasedCategory I, Demand Based

Level One: When the average weekly usage exceeds Level One: When the average weekly usage exceeds 6,000,000 gallons per day: 6,000,000 gallons per day:

• Residential, other than household purposes: Residential, other than household purposes: Outside water usage restricted to 7:01 P.M. to 10 Outside water usage restricted to 7:01 P.M. to 10 A.M. with odd-numbered houses utilizing water A.M. with odd-numbered houses utilizing water on odd-numbered days and even-numbered on odd-numbered days and even-numbered houses utilizing water on even-numbered days houses utilizing water on even-numbered days

• Commercial: Exterior water usage restricted in Commercial: Exterior water usage restricted in the same manner as residential usethe same manner as residential use

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Level Two: Level Two: When the average weekly usage When the average weekly usage exceeds 6,500,000 gallons per day:exceeds 6,500,000 gallons per day:

• Residential, other than household purposes: Residential, other than household purposes:

Water usage restricted to 7.01 P.M. to 10 A.M. on Water usage restricted to 7.01 P.M. to 10 A.M. on the odd-even system restriction with odd-the odd-even system restriction with odd-numbered houses utilizing water on Monday and numbered houses utilizing water on Monday and Thursdays and even-numbered houses utilizing Thursdays and even-numbered houses utilizing water on Tuesday and Friday during the above water on Tuesday and Friday during the above hours hours

• Commercial: Exterior water usage restricted in Commercial: Exterior water usage restricted in the same manner as residential use the same manner as residential use

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Category II, Supply BasedCategory II, Supply Based

Level One: Level One: When the lake level reaches 1063 feet above When the lake level reaches 1063 feet above sea level and the average weekly usage exceeds sea level and the average weekly usage exceeds 4,000,000 gallons per day: 4,000,000 gallons per day:

• Residential, other than household purposes: Water usage Residential, other than household purposes: Water usage restricted to 7:01 P.M. to 10:00 A.M. with odd-numbered restricted to 7:01 P.M. to 10:00 A.M. with odd-numbered houses utilizing water on odd-numbered days and even-houses utilizing water on odd-numbered days and even-numbered houses utilizing water on even-numbered days numbered houses utilizing water on even-numbered days

• Commercial: Users required to reduce water usage by Commercial: Users required to reduce water usage by ten per cent (10%) as compared to the previous year's ten per cent (10%) as compared to the previous year's usage figuresusage figures

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Level Two: Level Two: When the lake level reaches 1061 feet above sea level When the lake level reaches 1061 feet above sea level and the average weekly usage exceeds 3,500,000 gallons per and the average weekly usage exceeds 3,500,000 gallons per day: day:

• Residential, other than household purposes: Water usage Residential, other than household purposes: Water usage restricted to 7:01 P.M. to 12:00 P.M. on the odd-even system 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 with odd-numbered houses utilizing water on Monday and even-numbered houses utilizing water on Friday during the even-numbered houses utilizing water on Friday during the above hours above hours

• Commercial: Users required reducing water usage by fifteen Commercial: Users required reducing water usage by fifteen per cent (15%) as compared to the previous year's usage per cent (15%) as compared to the previous year's usage figures figures

• Other: Lawn watering, refilling or adding water to public and Other: Lawn watering, refilling or adding water to public and private swimming pools and automobile washing is forbidden private swimming pools and automobile washing is forbidden (except for commercial vehicle wash facilities which will (except for commercial vehicle wash facilities which will adhere to 15% reduction of total use) adhere to 15% reduction of total use)

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Level Three: Level Three: When the lake level reaches 1059 feet above sea When the lake level reaches 1059 feet above sea level and the average weekly usage exceeds 3,000,000 level and the average weekly usage exceeds 3,000,000 gallons per day: gallons per day:

• Residential: There will be no usage authorized for other than Residential: There will be no usage authorized for other than household purposes. Outside Water usage will be limited to household purposes. Outside Water usage will be limited to watering shrubs and young trees only, in accordance with watering shrubs and young trees only, in accordance with best practices best practices

• Commercial and the Governmental : Users required to Commercial and the Governmental : Users required to reduce water usage by twenty-five per cent (25%) as reduce water usage by twenty-five per cent (25%) as compared to the previous year's usage figurescompared to the previous year's usage figures

• Other: Lawn watering, refilling or adding water to public Other: Lawn watering, refilling or adding water to public and private swimming pools and automobile washing and private swimming pools and automobile washing forbidden (except for commercial vehicle wash facilities forbidden (except for commercial vehicle wash facilities which will adhere to 25% reduction of total use) which will adhere to 25% reduction of total use)

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•SupplySupply•TreatmentTreatment•DistributionDistribution

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SupplySupply• Wes WatkinsWes Watkins

– Pilot Study—Carbon AdsorptionPilot Study—Carbon Adsorption– BlendingBlending– Air StripAir Strip– Out of BoxOut of Box

• Twin LakesTwin Lakes– HydraulicsHydraulics– Upgrading Intake StructureUpgrading Intake Structure

• AtokaAtoka– Connecting the 24 inch pipeConnecting the 24 inch pipe

• Groundwater WellsGroundwater Wells

City of Shawnee Public City of Shawnee Public MeetingMeetingTreatmentTreatment

Ozone-6.5 mgdOzone-6.5 mgd

Regulatory ComplianceRegulatory Compliance

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• Check/Repair all LeaksCheck/Repair all Leaks• Verify the Condition of all valvesVerify the Condition of all valves• Installation of additional TowersInstallation of additional Towers• Installation of new Pump StationInstallation of new Pump Station• Extending the lines to form a loopExtending the lines to form a loop