Wrangell Water & Wastewater Treatment Plants

Project Overview

The upgrade project for the 600,000 gpd wastewater treatment plant included facility planning, design, and construction phase services for pump station upgrades, and SCADA system.  The project included NPDES permitting for ocean outfall and pollutant modeling.  The project was completed in 2003 at a total construction cost of $3.1MM lead by Senior Project Engineer Mar Curtis, PE.

The new Water Treatment Plant included ozonation, ph adjustment, roughing filter, slow sand filtration, chlorination, booster pumping, and 400,000 gallon reservoir.

Client Contact

Mr. Carl Johnson
Public Works Director
(907) 874-3904


City of Wrangell, AK

Related Projects

City of Ferndale Sewer Comp. Plan & WWTP Facility Plan

Comprehensive Sewer Plan including sewer system hydraulic modeling and capital plan, along with WWTP Improvements Facility Plan.

Wilbur Wastewater Treatment Plant

Design and construction management for 3.1 MGD WWTP in Wilbur, WA. Plant is an extended aeration activated sludge plant with mechanical screen headworks, aerated grit chamber, MLE treatment process, UV disinfection, biosolids stabilization ponds, and infiltration ponds.

Soap Lake - Wastewater Treatment Plant Upgrades

Planning, design and construction phase services for WWTP upgrade