Aguirre pitches sewage plan as part of county supe bid

• It also maintains the crisis will play a key role in her campaign against Chula Vista Mayor John McCann, after she positioned herself in the primary as a champion on the issue.

Driving the news: Aguirre's proposal calls for fixing infrastructure that allows sewage to concentrate into toxic hot spots, like under a bridge on Saturn Boulevard in San Diego.

• It also tells the county to upgrade HVAC and filtration systems in schools in the Tijuana River Valley, to launch studies into both public health and the economic impact of the crisis and to appoint a cross-border sewage chief to coordinate local agencies.

The bottom line: The proposal says those steps would require $18 million of the county's overall budget.