Ratepayers fund critical sewer infrastructure projects. Over the next five years, we anticipate upgrades and replacement rehabilitation to nearly every aspect of conveyance and treatment:
Treatment Plant: Strategic and prioritized replacement of aging assets which are at risk of critical failure are needed, as well as improvements that address regulatory compliance. More than $45M is needed over the next 10 years, primarily focused on electrical systems, major piping, and treatment processes. Regulatory compliance improvements are estimated at over $120M in plant improvement work over the next 20 years.
Sewer Pipes and Lift Stations: Approximately 100 miles of the sewer system is more than 70 years old. Over $15M is planned for rehabilitation and replacement of deteriorated sewer pipes over the next 10 years; critical capacity increases of over $10M are needed to reduce blended effluent discharges, and more than $10M in essential improvements are required on several mainland sewer lift stations.
Solids Handling: Essential improvements are needed for upgrading the solids process to meet regulatory requirements and improve operations.
Tubbs Island: Over $10M will be used to improve the District’s solids processing operations at Tubbs Island, including levee improvements that also address the effects of sea level rise.