march 8 2004 n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
March 8, 2004 PowerPoint Presentation
Download Presentation
March 8, 2004

Loading in 2 Seconds...

play fullscreen
1 / 11

March 8, 2004 - PowerPoint PPT Presentation


  • 96 Views
  • Uploaded on

Oxon Run and C&O Canal TMDLs. March 8, 2004. Overview. In settlement of the TMDL lawsuit in the District of Columbia, EPA has agreed to back stop TMDLs for waters included on the District's 1998 Section 303(d) list of impaired waters.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'March 8, 2004' - kaloni


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.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
overview
Overview
  • In settlement of the TMDL lawsuit in the District of Columbia, EPA has agreed to back stop TMDLs for waters included on the District's 1998 Section 303(d) list of impaired waters.
  • To fulfill the consent decree requirements, EPA and the District to are sharing the TMDL development workload.
  • EPA must approve or establish TMDLs for the Chesapeake and Ohio Canal and Oxon Run by December 15, 2004, in order to satisfy the requirements of the lawsuit.
overview1
Overview
  • The District's 2002 Section 303(d) list of impaired waters identified the pollutant of concern as follows:
    • Metals and bacteria as Oxon Run's pollutants of concern, and
    • Bacteria and organics as the Chesapeake and Ohio Canal's pollutants of concern.
    • The Consent Decree identifies "metals" as the substances identified in Table 2 of Section 1104.7 of the District's water quality standards, and, "organics" as the substances identified in Table 3 of Section 1104.7 of the District's water quality standards at 21 D.C.M.R. Chapter 11.
task overview
Task Overview
  • Problem Identification
    • Sources assessment
    • Numeric Targets
  • Technical Approach Development
  • Allocation Scenarios (DOH)
  • Draft TMDLs
  • Final TMDLs
schedule
Schedule
  • Sources assessment and the technical approach needs to be completed by June 1, 2004.
  • Draft TMDL report submitted to Region 3 and DOH for internal review & comment by August 1, 2004.
  • Revised draft TMDL to the Region and DOH (incorporating the comments) by September 1, 2004.
  • Final TMDL report submitted to EPA by November 15, 2004.
  • Final TMDL report must be approved by EPA by December 15, 2004.
data and information
Data and Information
  • Categories of Data
    • Watershed Physiographic data
    • Weather Data
    • Potential Pollutant Sources
    • Water quality data
    • Stream Flow Data
status
Status
  • DOH is in the process of identifying the available monitoring data
  • MDE has no instream water quality data related to these segments
  • County Stormwater monitoring programs
data needs
Data Needs…..
  • Watershed physiographic data
  • Hydrographic data
  • Weather data
  • Watershed activities/use data and information related to Pollutant production
  • Point sources and direct discharge data and information
  • Environmental monitoring data
  • Stream flow data
slide11

TMDL Contacts

Mary F. Beck

TMDL Technical Support

EPA Region 3

(215) 814-3429

Beck.mary@epa.gov

Jonathan Essoka

DC TMDL Coordinator

EPA Region 3

(215) 814-5774

Essoka.Jonathan@epamail.epa.gov

Raed EL-Farhan

The Louis Berger Group, Inc.

Washington, DC

(202) 912-0307

relfarhan@louisberger.com