Tri-County Water Conditioning - Water Softeners & Refiners, Reverse Osmosis, Filtration, Water T, Tri County Water Conditioning has been providing residential and commercial water treatment solutions for Lakeville, Litchfield, Prior Lake, Savage, & Woodbury for more than 64 years. Today it continues to offer unsurpassed service, expanding beyond basic water softeners and water conditioners to state-of-the-art water refiners, reverse osmosis drinking water systems, carbon filtration, de-chlorination and a host of water purifiers for residential and commercial usage.