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Background Well #14

Town of Hamilton Community Information Meeting For Well #14 @ Harmony Intermediate School May 13, 2010. 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

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Background Well #14

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  1. Town of HamiltonCommunity Information MeetingFor Well #14@ Harmony Intermediate SchoolMay 13, 2010

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. Recommended SPEX Conditions • Set up a formal communication with neighbors to meet regularly on monitoring • Shield existing light and add motion detector

  10. Participate in Review Loudoun County Planning Commission Loudoun County Planning Department 1 Harrison Street, S.E, 3rd Floor P.O. Box 7000 Leesburg, VA 20177 703-777-0246 Email: loudounpc@loudoun.gov County web site: www.loudoun.gov

  11. Participate in Review Loudoun County Board of Supervisors 1 Harrison Street, S.E, 5th Floor P.O. Box 7000 Leesburg, VA 20177 703-777-0204 Comment Line: 703-777-0115 Email: bos@loudoun.gov County web site: www.loudoun.gov

  12. Town of Hamilton, Virginia Analytical Services, Inc. Pumping, Monitoring and Mitigation Plan (PMMP) Triad engineering, Inc.

  13. Pumping, Monitoring and Mitigation Plan (PMMP) • Anticipated Pumping Rates • Monitoring Methods • Mitigation Strategies Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy

  14. Site View of Well #14and nearby monitoring locations Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy

  15. Site View of Well #14and nearby monitoring locations Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy

  16. 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

  17. Monitoring Reports • Water Quality Data • Water Level Data • Pump Run Time • Discharge Measurments Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy

  18. Monitor Well Graphics Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy

  19. Monitor Well Graphics Analytical Services, Inc. * Environment * Safety & Health * Groundwater * Energy

  20. 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

  21. 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

  22. Contact Information Town of Hamilton Offices 53 East Colonial Highway P.O. Box 130 Hamilton, VA 20158 540-338-2811 Hamilton.va@comcast.net

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