County Of Marshall issued the following announcement on Dec. 07.
The city is offering free water softener optimizations and rebates of up to $4,000 to replace softeners that are 15 years are older or inefficient. To sign up, contact a contractor on the approved list at ci.marshall.mn.us/rebate or call 537-6776.
This project was funded by Minnesota Environment and Natural Resources Trust Fund
Original source can be found here.