1. Subsidence Management Criteria Proposed — Shifts Away from Groundwater Levels as Proxy EKI presented a proposal to set subsidence sustainable management criteria (SMCs) based on actual observed subsidence rather than using groundwater levels as a proxy, which is what the original GSP used. Areas within 1 mile of critical infrastructure (e.g., canals and other identified infrastructure) would have a cumulative subsidence threshold of half a foot, while areas outside critical infrastructure would have a threshold of one foot — both measured relative to January 2022 conditions. Current data shows subsidence across the basin is negligible and well within acceptable limits. This approach aligns with DWR's best management practices and is intended to reduce compliance burdens on the GSAs.
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