Opportunity

Iowa Impacs #009-RFB-WRBWL-CY26-10

Construction of a solar-pumped nutrient reduction wetland in Carroll County, Iowa

Posted

September 30, 2026

Respond By

October 27, 2026

Identifier

009-RFB-WRBWL-CY26-10

NAICS

237110, 237990, 238910

The Iowa Department of Agriculture and Land Stewardship is seeking a contractor to build a solar-pumped nutrient reduction wetland in Carroll County. - Government buyer: Iowa Department of Agriculture & Land Stewardship, Division of Soil Conservation and Water Quality; no specific office is identified. - Project: Construct a wetland that treats water from an existing ditch using a solar-powered lift station and pump system. - Key quantities and components: - Approximately 19,861 cubic yards of earthwork, including excavation and grading. - 835 linear feet of pipe and 29 tons of riprap. - One Modified SW-513 concrete outlet structure and one SW-401 lift-station concrete structure. - One solar pump system and 2.4 acres of seeding. - Services: Selective clearing, wetland construction, tile and outlet work, pump and pipe installation, riprap placement, and seeding. - OEMs and vendors: No equipment OEMs or brands are specified. Bolton & Menk is identified as the engineering firm that prepared the plans and specifications. - Estimated construction value: $175,000–$275,000. - Notable requirements: The pump system is solar powered, and the construction schedule includes separate applicable seeding periods. Work is to begin within seven days of the preconstruction meeting, with construction and seeding completed by their respective project deadlines.

Description

The project is to construct a nutrient reduction wetland that treats water from an existing ditch using a solar-powered pump. Work includes selective clearing, excavation and grading, tile and outlet structures, pump and tile installation, riprap placement, and seeding. The project involves approximately 19,861 cubic yards of earthwork, 835 linear feet of pipe, 29 tons of riprap, a concrete outlet structure, a lift station with a solar pump system, and 2.4 acres of seeding. The estimated construction cost range is $175,000 to $275,000.

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