Sierra Hydrographics Secures $9.8M Contract for Streamflow and Weather Station ServicesSierra Hydrographics,* Auberry, California, was awarded a $9,800,000 firm-fixed-price contract for streamflow and weather station maintenance and repair, rating-curve development and discharge measurements. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of May 31, 2028. U.S. Army Corps of Engineers, Sacramento, California, is the contracting activity (W91238-23-D-0015). *Small BusinessEdit | Quick Edit | Trash | View | Edit with Oxygen