1 / 18

Reclaimed Water and Non-Potable Water at UNC-CH

Reclaimed Water and Non-Potable Water at UNC-CH . Sally Hoyt, Stormwater Engineer. What is Non-Potable Water?. Water from multiple sources that is suitable for non-potable uses Cooling Towers Toilet Flushing Irrigation Sources of non-potable water at UNC are Reclaimed Water from OWASA

shanna
Download Presentation

Reclaimed Water and Non-Potable Water at UNC-CH

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Reclaimed Water and Non-Potable Water at UNC-CH Sally Hoyt, Stormwater Engineer

  2. What is Non-Potable Water? Water from multiple sources that is suitable for non-potable uses • Cooling Towers • Toilet Flushing • Irrigation Sources of non-potable water at UNC are • Reclaimed Water from OWASA • Stormwater

  3. Why Non-Potable Water? Water Conservation • Campus sustainability • LEED Buildings • State water conservation requirements • 20% indoor • 50% outdoor Achieved >25% reduction through demand-side efforts. Non-potable water looks at supply-side.

  4. UNC-CH Potable Water Use UNC-CH Potable Water Usage Composite FY06-07 and FY07-08

  5. UNC-CH Future Water Use…2010

  6. UNC-CH Future Water Use…?

  7. Why are we using Reclaimed Water? UNC-OWASA-Community Benefits: • Reduce risk to droughts • Save drinking water for human use • Defer need for expanding water supply and/or treatment plant capacity • Expand total supply of water to the community • Reduce discharge of nutrients

  8. OWASA RCW Facility

  9. Funding • UNC Funding > $10,000,000 • Debt funded with legislative approval • Debt paid by University internal customers through RCW rates

  10. Why Rainwater Harvesting? • Town Stormwater Design Criteria (2001) – Adds Volume Control • Jordan Lake Rules (2009) – Nutrient Reduction

  11. Hooker Field Cistern 500,000 gal – Athletic Field Irrig.

  12. Ramshead Cistern 56,000 gal – Landscape Irrigation

  13. FedEx Global Ed Cistern54,000 gal – Toilet Flushing

  14. Hanes Cistern 60,000 gal – Landscape Irrigation

  15. Boshamer Cistern80,000 gal – Athletic Field Irrigation

  16. Bell Tower Cistern300,000 gal – Toilet Flushing, Landscape & Athletic Field Irrig.

  17. MAP

More Related