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Bangor outlines wastewater needs as treatment plant upgrades, PFAS rules and interlocal agreements drive costs
Summary
City staff described the wastewater system's scale and upcoming projects, outlined regulatory pressures related to PFAS and consent-decree obligations, and proposed a 5% rate increase to fund operations and capital needs.
City staff told the Bangor City Council on May 21 that the wastewater (sewer) system now treats roughly 7.7 million gallons a day and faces rising costs driven by capital needs, electricity use, biosolids disposal, and tightening state and federal regulation.
The presentation noted that the system operates a primary and secondary treatment plant, hundreds of miles of pipe (some combined sewer), and that recent investments included a SCADA upgrade and replacement of roughly 2,200 feet of sewer main and more than 40 manholes. Staff said annual throughput is approximately 2.8 billion gallons and that inspection activity increased about 51% over the prior year.
City staff warned the council that regulation of per- and polyfluoroalkyl substances (PFAS) is becoming more stringent and that wastewater utilities are the receiving end of those persistent chemicals. The city is operating under a consent decree and described ongoing collaboration with the Maine Department of Environmental Protection and the U.S. Environmental Protection Agency on permits and technical requirements.
Planned work at the treatment plant includes an aeration project and further measures to manage biosolids and PFAS exposure. Staff also said the council will need to renegotiate the interlocal agreement that governs wastewater treatment for customers in nearby towns Hamden and Hermon; those older contracts date to the 1990s and are scheduled to expire.
On finances, staff proposed a 5% increase in sewer rates for the coming year. The wastewater fund is capital- and supply-intensive; staff said personnel accounts are a part of the budget (roughly $2.7 million of an $11.7 million operating budget), but debt service, electricity and biosolids disposal are the major cost drivers. City staff noted the system is a large electrical user and that an emergency generator installed earlier will give operational flexibility, including peak-shaving opportunities.
Staff also presented a capital list that totaled approximately $13.5 million of identified needs, of which nearly $2 million was proposed for the next year and the remainder would require bonding or other funding sources (including previously committed ARPA funds for a high-priority pump station). Councilors asked about the administrative burden of state and federal reporting; staff said reporting time is increasing and often handled by the engineering group using department-provided spreadsheets and a mix of agency portals.
No formal vote on sewer rates or the interlocal agreement was recorded at the workshop; staff said the council will see related ordinance or contract actions later in the budget process.
