Current Proposal Opportunities

Proposal (RFP) for Iron Enhanced Sand Filter - Proposal #2021-001

CALUMET County is accepting proposals to design an Iron Enhanced Sand Filter that increases phosphorus removal from County Road N stormwater runoff before it enters surface waters in the Upper Fox-Wolf TMDL area.

Proposals will be accepted until 2 p.m. on Wednesday, July 7, 2021, at Calumet County Land & Water Conservation Department, 206 Court St., Chilton, WI 53014. Late proposals will be rejected.