town of hamilton community information meeting for well #14 @ harmony intermediate school may 13,...
TRANSCRIPT
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Town of HamiltonCommunity Information Meeting
For Well #14@ Harmony Intermediate School
May 13, 2010
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Background Well #14
• Town relies on underground wells for water supply
• Well lot for Well #14 provided as part of Stone Eden Subdivision
• Well 14 was drilled in 2000• VA Dept. of Health has approved plans for
water system construction to add Well 14
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Background Well #14
• Pump Test Capacity of 400 gallons per minute• Design Capacity of 300 gallons per minute• Water to be treated at Water Treatment Plant
at Harmony• Water Treatment Plant Approved December
2007 (SPEX 2007-0022)• SPEX 2007-0022 Required Pumping,
Monitoring & Mitigation Plan
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Water Treatment System
• Serves approximately 700 customers including three schools
• System includes nine wells• Current daily Town Usage on average is
130,000 gallons per day• System design capacity is 510,000 gallons per
day
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Well 14
• Located in Stone Eden Subdivision• 1.3 acre site• Facilities include well, control building,
emergency generator• Fenced area of approximately 2,100 square
feet
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Water Treatment System
• Well #14 is a planned addition to Town’s system & is identified in the 2003 Adopted Town Plan
• Well #14 serves Harmony Intermediate and Kenneth W. Culbert Elementary schools
• Well #14 Current pumping level is approximately 9,000 gallons per day
• Well #14 will be monitored to identify potential off-site impacts
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Current Review Process
• SPEX 2010-0005 Under Review by County• Planning Commission Hearing 4/28/10• Planning Commission Work Session 5/19/10• Projected Board of Supervisors Hearing
6/7/10• Comments may be provided to the Planning
Commission and Board of Supervisors
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Recommended SPEX Conditions• Consistency with SPEX Plat for well &
associated facilities• Comply with Pumping Monitoring Mitigation
Plan• Provide Noise Attenuation• Review Landscaping with County Forester and
Neighbors• Extend Monitoring Plan to include drought
conditions
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Recommended SPEX Conditions
• Set up a formal communication with neighbors to meet regularly on monitoring
• Shield existing light and add motion detector
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Participate in Review
Loudoun County Planning CommissionLoudoun County Planning Department
1 Harrison Street, S.E, 3rd FloorP.O. Box 7000
Leesburg, VA 20177703-777-0246
Email: [email protected] web site: www.loudoun.gov
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Participate in Review
Loudoun County Board of Supervisors1 Harrison Street, S.E, 5th Floor
P.O. Box 7000Leesburg, VA 20177
703-777-0204Comment Line: 703-777-0115
Email: [email protected] web site: www.loudoun.gov
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Town of Hamilton, Virginia
Analytical Services, Inc.
Pumping, Monitoring and Mitigation Plan (PMMP)
Triad engineering, Inc.
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Pumping, Monitoring and Mitigation Plan (PMMP)
• Anticipated Pumping Rates
• Monitoring Methods
• Mitigation Strategies
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Site View of Well #14and nearby monitoring locations
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Site View of Well #14and nearby monitoring locations
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Monitoring Methods
• Sampling and Water Quality Analysis
• Water Level Monitoring
• Pump Run Time
• Measurements from Well #14
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Monitoring Reports
• Water Quality Data
• Water Level Data
• Pump Run Time
• Discharge Measurments
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Monitor Well Graphics
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Monitor Well Graphics
Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy
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Mitigation• Establish Point of Contact• Determine if impact is due to operation of Well 14• Provide water supply to any offsite well deemed
impacted by operation of Well 14• Evaluate well & pump equipment to determine if
functioning properly• Evaluate if pump can be lowered, then if needed
deepening or reaming of well or new well installation• Review pumping schedule to determine if alternate
schedule mitigates impact
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Water Conservation Strategies
• What about a drought?• Town Ordinance has Voluntary and
Mandatory Restrictions based on Conditions (Article 5)
• Schools are closed during typical dry season• PMMP to be extended to include a drought
year
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Contact Information
Town of Hamilton Offices53 East Colonial Highway
P.O. Box 130Hamilton, VA 20158