Memorandum
Date: June 5, 2026
To: The Honorable Lake County Board of Supervisors, serving as the Directors of the Lake County Watershed Protection District
From: Dr. Pawan Upadhyay, Director, and Todd Abbott, Program Coordinator, Water Resources Department
Subject: Consent Agenda Item for June 23, 2026
Approve the award of the "Big Valley Groundwater Basin Groundwater Sustainability Plan (GSP) 2027 Periodic Evaluation Report" project to Luhdorff & Scalmanini, Consulting Engineers, in the amounts of $139,820.00 and authorize the Water Resources Director to sign and execute the contracts between the Lake County Watershed Protection District and Luhdorff & Scalmanini, Consulting Engineers.
Executive Summary:
The Lake County Water Resources Department requests that the Board of Supervisors, acting as the Directors of the Lake County Watershed Protection District (District), approve the award to Luhdorff & Scalmanini, Consulting Engineers, for the "Big Valley Groundwater Basin Groundwater Sustainability Plan (GSP) 2027 Periodic Evaluation Report" project in the amounts of $139,820.00 The agreement covers the necessary components for submission to the California Department of Water Resources (CADWR).
The State Groundwater Management Act, or SGMA, was passed by the CA State Legislature in 2014 to establish a regulatory framework for groundwater across the state. In 2015, The California Department of Water Resources released an initial basin prioritization list that identified groundwater basins in California considered at risk of overdraft and classified those basins as either medium or high priority, depending on variables such as groundwater reserves, recharge rates, and population growth. Big Valley Basin was identified as a medium priority basin by DWR, making it subject to the requirements set forth by SGMA, including the local development of a Groundwater Sustainability Agency (GSA), and the formation of a Groundwater Sustainability Plan (GSP), with the...
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