DO TMDL Archive
Spokane Regional Wastewater Phosphorus Bioavailability Study
Spokane County has updated their website to include information about the Phosphorus Bioavailability Study that researchers at the University of Washington are currently conducting…
Idaho Delegation Letter and EPA Response
On June 4, the Idaho congressional delegation wrote a letter to EPA administrator Lisa Jackson to share concerns about the DO TMDL and NPDES…
DO TMDL Comment Period Extended and Public Hearing Set
October 1, 2009 The Washington Department of Ecology extended the comment period for the draft Spokane River / Lake Spokane Dissolved Oxygen Water Quality…
Spokane River Stewardship Partners Correspondence to Ecology
Sarah Hubbard-Gray, on behalf of the Spokane River Stewardship Partners, writes that “On behalf of the SRSP dischargers, I am providing you with the…
Revised DO TMDL Schedule
Attached is the revised DO TMDL schedule. Dave Moore highlighted the row corresponding to where we are in the project. Major updates include adding…
Ecology announces selects modeling scenario to establish wasteload alloacations
August 13, 2009 In a letter to stakeholders dated August 11, 2009, the Washington Department of Ecology announced it will be using “… modeling…
Summary results: draft PSU DO TMDL scenarios
June 23, 2009 Spokane Stakeholders, Attached please find the draft PSU (Portland State University) report that summarizes the results of 4 different TMDL scenario…
Idaho Congressional Delegation Letter to EPA
June 17, 2009 The attached letter from the Idaho congressional delegation was sent to Lisa Jackson, Environmental Protection Administration administrator. This letter summarizes “……
DO TMDL Scenario Files
From: Laurie Mann, EPA To: Spokane TMDL Stakeholders: The attached files contained detailed information about the TMDL scenarios that PSU will be running this…