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WRA board approves facility plan; Des Moines warned of large treatment-plant and debt needs
Summary
WRA and Des Moines public‑works officials presented a regional facility plan that calls for hundreds of millions in treatment‑plant and conveyance upgrades; WRA leaders recommended raising the authority’s debt cap to pay for the work.
The region’s wastewater authority and Des Moines staff told the council the wastewater treatment plant and regional conveyance systems need substantial investment and that the sewer-related capital plan will be a major driver of utility rates and regional debt.
Scott Hutchins, WRA director, said the WRA board approved a facility plan outlining near‑term treatment‑plant work totaling roughly $500 million and roughly $250 million in conveyance‑system projects through 2040. Hutchins said the treatment plant was last substantially rebuilt in the 1980s and now needs rehabilitation and expansion in specific systems. He described a multi‑decade schedule of work and said the WRA board is recommending an increase in the WRA’s debt limit (the board’s draft would raise a prior cap to about $975 million) to accommodate needed projects. Hutchins also described a planned phosphorus‑recovery project that would pelletize nutrients for sale and generate roughly $1 million in revenue annually, and said the authority is monitoring PFAS in biosolids and wastewater and watching evolving federal rules.
Jonathan Gaynor, the city’s public works director, reviewed city projects that tie into regional work: trunk-sewer extensions to serve new development areas, and the near completion of the city’s combined-sewer‑overflow (CSO) consent-decree projects, with only smaller elements left to finish. He said the city will continue targeted lining and repair work and has been working cooperatively with WRA projects such as pump‑station replacements. Gaynor and Hutchins said the WRA budget for operation and debt service is about $66 million for the coming year; WRA’s formula uses a three‑year moving average of flows and assigns about 43% of that budget to Des Moines under current flow splits.
Hutchins and Gaynor said the planned investments will increase regional debt service and recommended including those costs in the city’s long‑term utility planning. Council members asked about PFAS and long‑range timing; Hutchins said EPA action is anticipated and the authority is monitoring research into PFAS treatment and biosolids management.
Ending: City and WRA staff said the facility plan and WRA budget approval will inform the city’s sanitary‑sewer rate and capital decisions. Staff will bring more rate modeling and debt‑impact details to future workshops as the WRA’s facility plan moves toward project design and financing.
