Mercer Controls provides advanced automation and control solutions for water and wastewater utilities throughout Texas, specializing in mission-critical panels and monitoring systems that ensure safe, dependable operations. For over 30 years, we’ve supported municipalities, districts, and industrial customers with systems that deliver real-time visibility, reduce downtime, and prevent failures. Operators trust Mercer for our technical capability, fast field service, and long-standing customer relationships.

Aerial view of a Texas wastewater treatment plant oxidation ditch served by Mercer Controls

We Keep Texas
Water Running

Control panels, SCADA and 24/7 field service for cities, districts and MUDs across South and Central Texas. Since 1992.

Custom UL 508A control panel built by Mercer Controls

Control Panels

Operator viewing a Mercer Controls SCADA screen on a tablet in the field

SCADA & Remote

Mercer Controls field technician wiring an outdoor control panel in Texas

Field Service

Interior wiring of a Mercer Controls UL 508A panel

Built to Outlast the Job

Many of the panels we built in the early 1990s are still running today. Conservative design, quality components, and a shop that still answers the phone.