New WDOE Wetland Rating Habitat Scores
By Emmett Pritchard New guidance regarding use of the 2014 Wetland Rating System issued this past summer by the Washington Department of Ecology (WDOE) could have ramifications for project... +03/18/2019
Mazama Pocket Gophers – What Do They Mean For Me?
By Andrew Rossi In 2014, four subspecies of Mazama pocket gopher endemic to Washington state were listed as threatened under the federal Endangered Species Act. The justification for this listing... +03/12/2019
Most Recent Waters Of The U.S. Clarification
By Chris Wright In 2017, President Trump issued an Executive Order requiring all government agencies to review their rules and regulations for the purpose of limiting the extent of... +03/06/2019
Ten New Bioretention Facilities to Monitor for Performance
By Bill Taylor With new funding, the Raedeke Associates team lead by Bill Taylor, and Clear Creek Solutions as the prime and modeling consultant, has begun monitoring of ten additional... +01/29/2019
Local Jurisdictions Wrestle with Federal and State Wetland Mitigation Guidelines
By Emmett Pritchard Following issuance of rules for wetland mitigation by the Army Corps of Engineers and EPA in 2008 and subsequent policy developed by Washington Department of Ecology... +06/22/2017
The Clean Water Rule
By Chris Wright The Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (COE) earlier this year published the "Clean Water Rule: Definition of 'Waters of the Unites... +11/22/2016
CESCL Inspection: Protecting Critical Areas / Wetlands & LID Features
By Bill Taylor As construction of residential and public projects accelerate in the region, regulatory agencies are paying greater attention to project site erosion control. As a result, construction... +01/16/2016
A Shift to Credit/Debit for Mitigation is Likely
By Emmett Pritchard For wetland mitigation projects in Washington, the Washington Department of Ecology (WDOE) is recommending the use of the new Credit/Debit Method (Calculating Credits and Debits for Compensatory... +10/22/2015
Bioretention Performance Research Being Performed in Western Washington
Bill Taylor The Department of Ecology and local municipal NPDES stormwater permittees are funding a research study into the hydrologic performance of constructed bioretention facilities. The research... +05/15/2015
Rain Gardens and the New Stormwater Manual
by Anne Cline Under the recently updated Stormwater Management Manual for Western Washington, many projects creating or replacing between 2,000 and 5,000 square feet (sq. ft.) of hard surfaces such... +09/16/2014
