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Implementing a Sustainable Stormwater Management Program in an Urban Center – Baltimore, Maryland

Explore a holistic stormwater management program addressing urban pollutants with community involvement and innovative practices to improve water quality and quality of life in Baltimore, Maryland's watershed. Learn about the efforts and initiatives undertaken to combat issues like eutrophication and excess nutrient loading in Chesapeake Bay, emphasizing the importance of creative partnerships and public engagement.

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Implementing a Sustainable Stormwater Management Program in an Urban Center – Baltimore, Maryland

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  1. Implementing a Sustainable Stormwater Management Program in an Urban Center – Baltimore, Maryland Catherine J. DiBlasi Dr. Neely Law, Dr. Upal Ghosh University of Maryland, Baltimore County Civil & Environmental Engineering

  2. Chesapeake Bay Chesapeake Bay Watershed 166,000 km2 • Eutrophication • Due to excess nutrient loading Urban Stormwater : 16 % of Phosphorous 11 % of Nitrogen 9 % of Sediment Loads to Chesapeake Bay (CBP 2006) Agriculture Urban landscape Wastewater treatment plants Photos: www.whrc.org, www.chesapeakebay.net

  3. Baltimore, MD – Watershed 263 • 376 hectares • No flowing surface waters • Dry weather baseflow WS 263 Impervious Cover = 75 % Figures: Parks & People, Center for Watershed Protection

  4. A Holistic Approach to Urban Stormwater Management • Address all sources and underlying causes • Community outreach • Improve water quality and quality of life Outfall 263 7.6 m diameter Photos: G. Hagar, Parks & People Foundation

  5. Community Involvement • Creative Partnerships • Projects Schoolyard Greening Clean & Green Creating a community garden in a vacant lot. An example of a schoolyard greening project. Photos: Parks & People Foundation

  6. Street Sweeping and Storm Drain Cleanouts • Limited Space • Limited Money Street Sweeping Storm Drain Cleanout Photos: Baltimore City DPW, Center for Watershed Protection

  7. Paired Watershed Study Water quality monitoring station Catchment F 85 % dec. curb-km swept/week Catchment O 48 % inc. curb-km swept/week + storm drain cleanout Figure: www.cwp.org

  8. WS 263 Field Monitoring Street Particulate Sampling Water Quality Monitoring Event Mean Concentration (EMC) = mass/volume Photos: U. Ghosh, K. Belt

  9. Total Nitrogen n = 20-24 Sources: Baltimore City Department of Public Works – Water Quality Management Section (2006), Pitt et al. (2004).

  10. Fecal Coliform Count n = 20-24 Sources: Baltimore City Department of Public Works – Water Quality Management Section (2006), Pitt et al. (2004).

  11. Public Health Risk Photos: U. Ghosh

  12. Lead - Dissolved and Total n = 20-24 Sources: Baltimore City Department of Public Works – Water Quality Management Section (2006), Pitt et al. (2004).

  13. Ongoing Work • Risk assessment on particulate matter • Installation of > 100 • innovative stormwater • practices • Quality of life assessment

  14. Conclusions • Need alternative approaches to nutrient reduction. • Health of the Bay depends on the cumulative benefit of all community-based watershed programs. • Community involvement and creative partnerships essential, WS 263 an excellent example.

  15. Thank You Neely Law, CWP Project Manager Dr. Upal Ghosh, UMBC Civil & Environmental Engineering

  16. Baseline Water Quality Data Median Values for Select Parameters Sources:1Baltimore City Department of Public Works – Water Quality Management Section (2006), 2Pitt et al. (2004).

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