Services / Water treatment

Filtration, Softening, Purification & Disinfection Service

We install, repair, and maintain a full range of water treatment systems — from residential softeners and RO units to large-scale commercial and industrial systems. If your water quality isn't where it needs to be, we have the experience and the licensing to fix it.

Water Problems We Know How to Solve

Identifying the right solution starts with understanding the source. Our team draws on decades of field experience to assess your specific situation accurately before recommending any equipment or service.

Well water

Including high iron and sulfur content that causes odor, staining, and equipment damage.

Creek & spring water

Surface water that requires filtration and disinfection before it's safe for use.

City / municipal water

Point-of-entry and point-of-use treatment to address chlorine, hardness, and other concerns.

Industrial process water

Custom treatment solutions for manufacturing, food service, and other commercial applications.

Service coverage

Residential and Commercial

Residential Water Treatment

Hard water, iron, sulfur, sediment, and bacteria are common problems for homeowners throughout Middle Tennessee, especially those on private wells. We service:

Water softeners

Iron and sulfur filters

Sediment filters

Reverse osmosis drinking water systems

Ultraviolet disinfection systems

Chemical feed systems

We service the filtration, softening, and reverse osmosis systems we sell, and we also work on many other brands.

Commercial & Industrial

Scale buildup in a hotel's boiler system, bacterial contamination at a food processing facility, or iron fouling on a car wash's spot-free rinse system — these cause equipment failures, compliance concerns, and real operational costs. Our capabilities include:

Large-capacity water softeners and filtration systems

Chemical feed and dosing systems

Ultrafiltration systems

Reverse osmosis for commercial-scale applications

Ongoing maintenance programs for schools, hotels, and industrial facilities

Technical expertise

Six Treatment Technologies

Select a technology to see how we apply it. For customers who also need pump and pump system service, our team handles that as well.

Sediment · iron · manganese

Water Filtration

Mechanical and media filtration to remove sediment, iron, manganese, and other particulates that affect water clarity and equipment life.

Schedule Your Water Treatment Service

Whether you're dealing with a water quality issue at home, need a pump system evaluated, or are sourcing equipment for a larger project, Rock City Machine has the experience and inventory to help.