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Pasco receives low‑interest design loan offer from Department of Ecology for RiverShore interceptor upsizing
Summary
Staff said the Washington State Department of Ecology offered a 20‑year, 1.2% low‑interest loan of just under $1.3 million for design of phase‑1 upsizing of the RiverShore sewer interceptor covering about 10,000 feet across three segments.
Director Sarah presented a Department of Ecology award for design work on the RiverShore sewer interceptor upsizing project and recommended acceptance of the loan agreement at the workshop. The project tests three priority segments — together about 10,000 feet — on the city’s southern interceptor that conveys wastewater to the Nantan Washington Lift Station and on to the wastewater treatment plant.
Staff said projected hydraulic demand will create a bottleneck in coming years and that upsizing is required to avoid surcharging. The award described by staff was a low‑interest design loan of just under $1.3 million for a 20‑year term at about 1.2 percent interest. Director Sarah said the loan will fund design work including geotechnical exploration, cultural resources review, permitting and full design for the three segments; staff said upsized pipe diameters are likely to be between 48 and 54 inches depending on final design.
Director Sarah emphasized efficiency in designing multiple connected segments together to reduce consultant selection cost and speed delivery. The presentation noted the interceptor aggregates flow from northern parts of the city and therefore reflects citywide growth rather than only local connections adjacent to the pipe.
Staff presented the award and recommended council accept the loan agreement; the workshop transcript records the presentation but no roll‑call acceptance vote during the meeting.
