San Diego secured a federal loan to help upgrade its aging storm-drain system, a network with needs that had outpaced available local capital.

Federal infrastructure financing can lower borrowing costs and spread repayment across the useful life of long-lived projects. That structure lets a city move more work into construction while preserving annual budget capacity.

The loan did not eliminate the maintenance backlog. It created a larger, more predictable funding path for pipes, channels and related projects intended to reduce flooding and protect water quality.