MCSD Watermain Mad River Crossing Retrofit Project - Geotechnical Investigation

The McKinleyville Community Services District is planning a geotechnical investigation to support the design of a new water pipeline that will replace the aging infrastructure across the Mad River. The scope of work includes two borings located on the dry river bar, with depths ranging between 50 and 60 feet and borehole diameters not exceeding 8 inches. The investigation is scheduled to occur between August 1 and September 15, requiring the drilling rig to cross the wetted channel of the river twice to access the northern river bar site. This limited crossing is necessary to reach the designated locations while minimizing environmental disruption. The data collected will be essential for engineering the new pipeline to ensure structural integrity and compliance with site-specific geotechnical conditions. The project is managed by the McKinleyville Community Services District in California, with Patrick Kaspari serving as the primary point of contact and Lead Agency representative. The work will be performed at the specified location with a zip code of 95519-4217, and all activities are aligned with the district’s broader objective to modernize critical water infrastructure. Although the solicitation number and NAICS code are not provided, the forecast notice was published on July 7, 2026, indicating an upcoming procurement process. The investigation is a foundational step in the retrofit project aimed at improving water delivery reliability and system resilience in the region.