Water Treatment & Distribution System Overview.

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    11-Jan-2016

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<ul><li><p>Water Treatment &amp; Distribution System Overview</p></li><li><p>Two units located at separate sites provide for continuous monitoring and control of the water and sewer systems.</p></li><li><p>Primary water sourceSeven wells with capacity of over 10 MGDWater conveyed to treatment plant via a river crossing and 2 miles of raw water line</p></li><li><p>Installation of raw water line in 1975</p></li><li><p>Capable of treating 5.4 MGDDesigned for Iron and Manganese RemovalState of Ohio Class III plant (second highest level of plant)</p></li><li><p>ClearwellClearwellWater Treatment PlantMedium Service Booster StationAbandonedClearwell</p></li><li><p>Prechlorination for Iron &amp; Manganese ReactionKMnO4 for Iron &amp; Manganese ReactionPolymer &amp; Chlorine for Filter ConditioningChlorine for DisinfectionFluoride for Dental Health</p></li><li><p>8 multi media filtersProvide iron &amp; manganese removalTypical Filter Configuration of gravel, garnet, sand and anthracite</p></li><li><p>Done based on effluent turbidityWater is pushed back through filters removing build up of iron and manganeseUsed water is sent to the sewage system</p></li><li><p>Potassium PermanganateAnionic Polymer Chlorine (Pre and Post)Fluoride</p></li><li><p>Used for manganese removalStrong OxidizerNot combustible but could enhance combustion of other materialsGives off irritating fumes in fire</p></li><li><p>Use gaseous chlorine for disinfection and treatmentStrong OxidantNot combustible but reacts violently w/combustiblesHigh health hazard</p></li><li><p>Add hydrofluosilicic Acid for dental healthCorrosiveNot flammable but reacts with many metals to produce flammable and explosive hydrogen gas</p></li><li><p>Used as a filter aid</p></li><li><p>Maintain OEPA bacteriological and chemical certificationsConduct daily testing for chlorine, fluoride, pH, turbidity and other process controls</p></li><li><p>ParameterTypical ResultsIron0.08 to 0.12 mg/lManganese0.3 to 1.5 mg/lpH7.5 to 8.0ChlorineNoneFluoride0.2 mg/l</p></li><li><p>ParameterTypical ResultsIronBelow detectable limitManganese0.02 mg/lpH7.5 to 8.0Chlorine0.8 mg/lFluoride1 mg/l</p></li><li><p>Two 1.5 million gallon clearwells used to store finished water</p></li><li><p>Due to the geography of the city, three different pressure zones have been defined low, medium and high.Some parts of the system operate off of gravity.Other parts must have assistance so booster pumps are used. Water pumped and stored in tanks provides pressure head.</p></li><li><p>Located at the Water Treatment PlantPumps water to the low service area and Fairfield Park Tank</p></li><li><p>A From PlantB Booster StationC To Primary Mains/ CustomersD Water TowerWater Towers are tall to provide pressure. Each foot of a height provides .43 pounds of pressure. So a tank that is 100 foot tall has a pressure of 43.3 pounds at its base. There is only one pipe through which water both goes in and comes of our water towers. If water is being pumped from the treatment plant and the demand does not require it, it will go into a water tower. However, if there is more demand than the treatment plant can supply then water will be taken from the tower.</p></li><li><p>Services low service area0.5 million gallons</p></li><li><p>Across from the Water Treatment PlantServices Medium Service &amp; Rona Hills Tank</p></li><li><p>2 million gallons ground storage tankServices medium service </p></li><li><p>Old Fire StationServices Medium ServicePumps to Five Points Tanks</p></li><li><p>Two towers.75 MG.25 MGServices Medium ServiceHosts city antennas</p></li><li><p>Located near Wright State UniversityServices High Service AreaPumps to Southwest Tank</p></li><li><p>0.5 million gallonsActually located in BeavercreekServices high service</p><p>*</p></li></ul>

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