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.

Why Cities Choose Mercer

One partner from design to installation to long-term service — we handle everything
Operator-first designs with clean labeling and easy troubleshooting
Better reliability with fewer alarms and greater peace of mind
Fast, local support with guaranteed response within 24 hours
Built for South Texas conditions — heat, lightning, and harsh environments
Advanced remote monitoring and control using the latest proven technology
Systems that reduce 2 a.m. callouts and prevent costly failures
30+ years supporting municipal water and wastewater operators across the region