Hidden Lake Pump Station Replacement and Sewer Improvement Project
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Project and construction updates
- Construction Update: Road Paving begins in Innis Arden in Mid-April, 2008
(April 14, 2008, .PDF file, 98KB)
- Construction Update: Sewer Work in your Neighborhood, Week of March 24, 2008
(March 21, 2008, .PDF file, 98KB)
- Construction Update: Construction of new sewer and water lines progresses in Innis Arden (November 2007, .PDF file, 217KB)
- Construction in Boeing Creek Park Coming to a Close. Join us to celebrate in Boeing Creek Park! Saturday, October 20, 2007, 10:00 a.m. to 12:00 p.m. (.PDF file, 464KB)
- Hidden Lake Sewer Improvement Project - Newsletter, Summer 2007 (.PDF file, 1.2MB)
- Hidden Lake Sewer Improvement Project - Newsletter, Winter 2006/2007 (.PDF file, 1.1MB)
- Construction Update: Work on New Sewer in Richmond Beach Saltwater Park Begins the Week of December 11, 2006 (.PDF file, 62KB)
- Notice to Residents, Traffic Revisions on NW 196th Street and Richmond Beach Drive NW, September 2006 (.PDF file, 156KB)
- Hidden Lake Sewer Improvement Project - Newsletter, Summer 2006 (.PDF file, 635KB)
- Notice to Residents: Construction near Richmond Beach Pump Station to begin week of August 14, 2006, August 2006 (.PDF file)
- Notice to Residents: Construction Activities in Boeing Creek Park begin Week of July 17, 2006, July 2006 (.PDF file)
- Notice to Residents: Pump Station Site Clearing This Week, June 2006 (.PDF file)
- Hidden Lake Sewer Improvement Project - Newsletter, Spring 2006 (.PDF file, 900KB)
- Hidden Lake Pump Station and Sewer Improvement Project - Update, March 2006 (.PDF file, 686KB)
- Hidden Lake Pump Station and Sewer Improvement Project - Update, October 2005 (.PDF file, 711KB)
- Project Site Tour at Boeing Creek Park, Oct. 15, 2005 (.PDF file, 189KB)
- Project Update - Spring 2004 (.PDF file, 212KB)
- Project Update - March 2004 (.PDF file, 212KB)
Fact Sheets
Environmental Documents
- Public Notice -- SEPA Addendum, Jan. 25, 2005 (.PDF file, 141KB)
- Addendum to the Hidden Lake Pump Station Replacement and Sewer Improvement Project SEPA DNS/checklist, Jan. 25, 2005 (.PDF file, 164KB)
- SEPA Determination of Nonsignificance (DNS), March 24, 2004 (.PDF file, 340KB)
The State Environmental Policy Act (SEPA) requires public agencies to consider the possible adverse environmental impacts of their projects. The King County Wastewater Treatment Division (WTD) prepared an environmental checklist to identify these impacts for the Hidden Lake Pump Station Replacement and Sewer Improvement Project. Based on the checklist, WTD determined that the project's possible adverse environmental impacts would not be significant. WTD issued a SEPA Determination of Nonsignificance (DNS) for the project on March 24, 2004.
Technical Reports
- Hidden Lake Service Area Report, May 2000. This report evaluates the existing Hidden Lake service area, pump station, and related conveyance system components. Wastewater planning for the service area is driven more by the need to address the immediate concerns of alleviating the operational difficulties at the Hidden Lake Pump Station, managing peak wet weather flows while anticipating the effects of future sewer deterioration, and controlling odor, rather than accommodating future growth.
Source: Conveyance System Improvement Program.
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