Three bids were received by the City of Washington for bio-solid work. Last time the project was let only one bid was received for over $100,000. Iowa Grow, Inc., of Kalona was awarded the contract for $90,000. The other bids received were over $50,000 more. The work includes cleaning Washington’s basin, anaerobic digester and sludge tank.

The city council approved the contract unanimously at this week’s meeting.