1 / 17

Columbia Slough and Sediment Cleanup

Columbia Slough and Sediment Cleanup. Columbia Slough Watershed Facts The Columbia Slough watershed contains:

licia
Download Presentation

Columbia Slough and Sediment Cleanup

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. Columbia Slough and Sediment Cleanup

  2. Columbia Slough Watershed FactsThe Columbia Slough watershed contains: * 32,700 acres* Largest urban wetland in the USA (Smith and Bybee Lakes Wildlife Area )* Salmon refuge in the Lower Slough* 175 bird species* 26 fish species* 6 lakes, 3 ponds, 50 miles of waterway* 30 miles of flood control levees* 158,000 residents (1/20 of Oregon's population)* 54 schools, 2 universities, 1 community college* Critical wildlife corridors From: Columbia Slough Watershed Council

  3. * Portland International Airport* Port of Portland marine terminals* 3,900 businesses* 57,000 jobs* 54% impervious surface* Columbia South Shore Well Field (drinking water)* One of Portland's "industrial sanctuaries"* Critical transportation corridors (I-5, I-205, I-84)* 250,000 railroad cars per year use its railroad tracks* The Slough is 303(d) water quality listed* 6 Golf Courses* 40 Mile Loop Trail* Canoe and kayak launches* 426 acres without sewers* Whitaker Ponds Environmental Learning Center* Lewis and Clark expedition sites* Historic Native American settlement sites

  4. PSU/OGI Model of PCB & Chlordane Behavior in Buffalo Slough

  5. Total Maximum Daily Loads 303 (d) Requirement In 1998 TMDLs were established for the Columbia Slough for pH, dissolved oxygen, phosphorus, chlorophyll-a, bacteria, lead, DDE/DDT, PCBs, dieldrin, and 2,3,7,8-TCDD.

More Related