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Rain Gardens:

Rain Gardens:. A proposal by the Accept the Greener Challenge Club. Accept the Greener Challenge Club. Created in 2007 – Recommendations for NCSSM : Reduce energy consumption Capture solar energy for heat (especially hot water) and energy

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Rain Gardens:

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  1. Rain Gardens: A proposal by the Accept the Greener Challenge Club

  2. Accept the Greener Challenge Club • Created in 2007 – Recommendations for NCSSM : • Reduce energy consumption • Capture solar energy for heat (especially hot water) and energy • Use cisterns and rain gardens to reduce treated water consumption and filter runoff from impervious campus surfaces • Apply green roofing materials on flat roofs on campus • ~100 members (15% of student body)

  3. Water Quality in the Ellerbe Watershed • High levels of nitrogen and phosphorous lead to algae growth • degrading water quality negatively affecting the whole ecosystem

  4. Falls Lake Clean Water Requirements • EPA requirements for the Falls Lake Watershed: • 20% reduction in total nitrogen by 2016 • 40% reduction by 2036. • Proposed rain garden will remove: • ~1 lb Nitrogen/year, ~0.1 lb of Phosphorous/year

  5. How Rain Gardens Work • Water collects in rain gardens and is filtered through the soil. • Reduces polluted runoff water that enters waterways.

  6. Conservationists of the Year 2011 Award & 2012-13 Team

  7. Rain Garden Proposal • Filter runoff from newly-Paved Royall Parking lot and Cottage roof • Main garden – 683 square feet • Total approximate cost for excavation, mulch, soil amendment (sand), and plants: $3,070 • Students provide labor estimated at ~ $1,000

  8. What’s Needed to Proceed • Permission to proceed • Location of buried utilities • Excavation help from Grounds • Long-term commitment maintain garden • Funding Options

  9. Future Goals • Additional rain gardens • Cisterns on Maintenance Bldg. Street side • Control storm water runoff at NCSSM • Used to water and fertilize fields • Creek Remediation • Big Sweep-Ellerbe Creek clean-up • Ensure clean, cool water entering creek from NCSSM

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