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Onsite Water and SewageOnsite Water and Sewage
Duke PriceDuke Price
September 24, 2007September 24, 2007
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Big PictureBig Picture
States must comply with federal States must comply with federal environmental protection lawsenvironmental protection laws
Pollutant levels are set for drinking water Pollutant levels are set for drinking water (public)(public) Boil water noticesBoil water notices
Wastewater treatment standards are also set Wastewater treatment standards are also set (Clean Water Act)(Clean Water Act) Primary, secondary, tertiary treatmentPrimary, secondary, tertiary treatment
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Onsite = Out-of-siteOnsite = Out-of-site(hopefully, not out-of-mind)(hopefully, not out-of-mind)
All sewage systems require maintenanceAll sewage systems require maintenance Our private well water is recycledOur private well water is recycled Recent advances in onsite sewage systems.Recent advances in onsite sewage systems.
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MaintenanceMaintenance
No different than other elements of homeNo different than other elements of home HVAC, exterior, roofHVAC, exterior, roof Primary: septic tankPrimary: septic tank Secondary: bio-filter, attached growth, Secondary: bio-filter, attached growth, Soil based absorption systemsSoil based absorption systems
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What’s in Wastewater?
1. Water (99 Percent)
2. Organics & Nutrients
3. Fats, Oils, and Grease (FOG)
4. Inorganics and other solids
(Hair, cloth)
5. Virus and Bacteria
6. Heavy Metals
7. Ammonium, Phosphates
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Why do we regulate? (The Hydrologic Cycle)
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CommunityCommunity
Sewage – cluster systemsSewage – cluster systems One ownerOne owner Loudoun, Franklin CountiesLoudoun, Franklin Counties
Water – public water suppliesWater – public water supplies Testing, maintenanceTesting, maintenance Office of Water ProgramsOffice of Water Programs
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System FailureSystem Failure
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Take heed what you hear: 43 days Take heed what you hear: 43 days until Election Dayuntil Election Day
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Virginia has five physiographic provincesVirginia has five physiographic provinces West to EastWest to East
Cumberland PlateauCumberland Plateau Valley and RidgeValley and Ridge Blue RidgeBlue Ridge PiedmontPiedmont Coastal plainCoastal plain
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What is a well?What is a well?
A deep hole or shaft A deep hole or shaft sunk into the earth to sunk into the earth to obtain water, oil, gas, or obtain water, oil, gas, or brine (brine (dictionary.comdictionary.com))
i.e., man’s attempt to i.e., man’s attempt to get water from stoneget water from stone
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Drilling a WellDrilling a Well
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DOH websiteDOH website
http://www.vdh.virginia.gov/