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California Flood Levees: "Unacceptable" Maintenance Risks
22 Oct
Summary
- Nearly a third of Central Valley levee maintenance is unacceptable.
- Inadequate upkeep risks over a quarter-million people and $40 billion in property.
- State funding for levee repairs has dwindled, failing to meet needs.
A recent state audit has found that nearly a third of local agencies tasked with maintaining flood control levees in California's Central Valley are conducting "unacceptable routine maintenance," some for years. This critical oversight raises concerns as the state prepares for a wet winter.
The audit indicates that the California Department of Water Resources has not fulfilled its legal obligation to assume maintenance of levees when local agencies fail. The department, however, disputes the audit's findings, arguing it misunderstands flood management complexities and overemphasizes routine maintenance's link to risk.
Inadequate maintenance of these aging, earthen structures heightens the risk of failure, potentially endangering over 250,000 people, 133,000 buildings valued at nearly $40 billion, and vast tracts of farmland. Vulnerable communities are disproportionately at risk.
State water managers note that while they have provided $400 million for levee maintenance over the past decade, an estimated $165 million more annually is needed. Funding for state-backed repair programs is running out, with numerous critical repair projects slated for completion by August 2026 still unfinished.
Lawmakers have also failed to secure funding for essential programs like the Flood Maintenance Assistance Program, leaving local agencies without the necessary resources for deferred maintenance and larger projects. This situation jeopardizes federal disaster recovery funds and increases the potential for levee failure during flood events.
