Assessing the Impact of Anthropogenic Discharges on Endocrine Disruption in the Potomac River Watershed Updated Version 5/24/16.

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Presentation transcript:

Assessing the Impact of Anthropogenic Discharges on Endocrine Disruption in the Potomac River Watershed Updated Version 5/24/16

Chesapeake Bay News Aug Intersex fish widespread in Potomac River basin Intersex Fish Now in Three Pennsylvania River Basins Released: 6/30/2014 7:00:00 AM Project Driver: Intersex fish in Potomac Watersheds

Evaluate the upstream and downstream impacts from nutrient control, agriculture management, stormwater management and wastewater treatment strategies Project Objective 1 Wastewater treatment (WWTP) Combined sewer overflow (CSO) Agriculture management NO agriculture management Stormwater management (Urban) NO stormwater management Upstream site Downstream site

Evaluate Impacts of EDC in receiving waters attributed to point versus non-point sources Point sources (WWTP, CSO) Non-Point sources (Agricultural, urban runoff) ? ? Project Objective 2 Potomac River EDCs and Activity

Project Team – A unique collaboration Sudhir Murthy, Ph.D., P.E., BCEE DC Water Sujay Kaushal, Ph.D., Univ. of Maryland Luke Iwanowicz, Ph.D., USGS Diana Aga, Ph.D., Univ. of Buffalo Erik Rosenfeldt, Ph.D., P.E. Hazen and Sawyer Shuiwang Duan, Ph.D., University of Maryland Katia M. N. Oviedo, PhD candidate, Univ. of Buffalo

Analytical Detection Hormones and metabolites Advanced NOM Characterization Fluorometry Succesfully linked w/WQ (ie DBP precursors) Nitrate Isotopes Source Tracking Transformation Methods – Chemical and WQ Endpoints Bioactivity: Yeast Estrogen Assay

Phase 1 Sampling  Locations include:  “Paired” Watershed Samples  With and Without BMPs  Agriculture  Urban  CSO  Blue Plains WWTP  Additional WWTP  Sampling Frequency is bimonthly for 1 year + 1 rain event

Fencing Spring to replace in- stream cattle watering Stream crossings plantings of cool season grasses.. Result: streambank stability improved. Phosphorus concentrations declined Fencing installation began in 2006 (visible erosion). In autumn 2007 with fencing in place, the riparian area is reverting back to its natural state. Decreases in TP concentrations Agricultural BMPs

Constructed Wetlands Stormwater Runoff Control Pond Tributary Stream Restoration Urban BMPs (Sligo Creek)

Results: Effect of Best Management Practices (BMPs) on Agricultural and Urban Runoff Inputs

Results: CSO Impact on Water Quality

Results: Effect of Point Source Effluent

YES Comparison - BMPs 50 – 90% Reductions 75 – 98% Reductions

Impact of WWTPs - YES Blue Plains WWTP WWTP 2

Next Steps: Finish Data Analysis and presentation of the results from DOEE Last results available next week (Passive Sampling Events) Technical Advisory Workshop in June Final report shortly thereafter EPA STAR Project: Improving Water Reuse for a Much Healthier Potomac Watershed

Sample Collection, Processing, and Analysis Analytical Chemistry Biological Activity Assays Triple Bottom Line Analysis Program Management Data Analysis Prioritization Framework Technical Advisor Amit Pramanik, Ph.D. Theresa Connor, P.E. WERF Shuiwang Duan, Ph.D. Lab Technical Staff University of Maryland Sujay Kaushal, Ph.D. University of Maryland P.I. M.S. Student, TBA Virginia Tech Tom Grizzard, Ph.D., P.E. Virginia Tech co-P.I. Diana Aga, Ph.D. University of Buffalo Analytical and Bioanalytical Support Luke Iwanowicz, Ph.D. USGS Engineering and Management Support Sudhir Murthy, Ph.D., P.E. DC Water Erik Rosenfeldt, Ph.D., P.E. Hazen and Sawyer Core Team Member Project Responsibilities A “unique” collaboration

EPA STAR Timeline Year 1 (July 2016 – June 2017) Identify and track spatial and temporal variations in “hot spots” Year 2 (July 2017 – June 2018) Focused study on impact and outcomes of reclamation, reuse, harvesting, and management strategies on sources of pollutants Year 3 (July 2018 – June 2019) Quantitative assessment of costs, benefits, and impact of advanced reclamation, reuse, harvesting, and management practices on human and ecological health in the Potomac

Distilling it down a bit further Non-Point Source Agriculture Urban Point SourceBackground EDCs Nutrients Pathogens? Impact of Reuse Land Use in the Potomac Watershed OWML – Site of May 23 rd “unofficial” Project Kickoff Meeting

Questions?

Pesticide Steroid hormones End Goal – Co-management of Pollutants? Agriculture WWTP Effluent Shenandoah Drainage, 2009 Ciparis et al. (2012) Effects of watershed densities of animal feeding operations on nutrient concentrations and estrogenic activity in agricultural streams. Science of the Total Environment, 414: