Automation Solutions for
WATER & WASTEWATER
Transform your water and wastewater operations with cutting-edge sensors, monitoring systems, and automation technology designed for reliability and efficiency.
Sept. 26–30, 2026 | New Orleans, LA
WEFTEC 2026
Ernest N. Morial Convention Center
Join us at the largest annual water quality exhibition in North America. We will show a range of our most popular water and wastewater products. You won’t want to miss it!
DISCOVER WHAT WORKS
From flow measurement to complete system control, our products deliver the reliability and precision your water/wastewater management operations demand.
RPS
Sanitary Resistive Level Probe
TRUE ECHO® Plus
Radar and Pressure Dual Sensor
PT-500E
NSF Certified Submersible Level Transmitter
Settler
Remote Monitoring Gateway
TRUE ECHO® CR-L
Radar Liquid Level Sensor
Magnetic Level Switch
Liquid Level Detection
PT-503
Submersible Level Transmitter For Harsh Chemical Environments
MPI-E
Intrinsically Safe Magnetostrictive Float Level Sensor
EXPLORE THE POSSIBILITIES
Discover the key advantages that make automation sensors essential for modern water and wastewater treatment facilities.
Precision Accuracy
Advanced sensors delivery accuracy for critical measurements, ensuring optimal process control and regulatory compliance.
Predictive Maintenance
Smart sensors monitor equipment health and predict failures before they occur, reducing downtime.
Remote Access
APG’s cloud-based platform—Explorer—enables remote monitoring and control from anywhere, improving operational flexibility.
Real-Time Monitoring
Continuous monitoring with fast data transmission enables quick response to changing conditions.
INDUSTRY INSIGHTS & EXPERT KNOWLEDGE
Stay informed with the latest trends, best practices, and technological advances in water and wastewater automation.
Blog Post Guides
Wastewater Treatment Guide
Blog Post Guides
Reliable Level Sensors for Flood Response and Recovery
Case Studies
Municipal Water Maintenance in Logan City Case Study
Blog Post Product
Why Redundant Level Monitoring Matters
Blog Post Guides
Ultrasonic Sensor Mounting Tips: A Quick Guide to Accurate Readings
Case Studies
Ypsilanti Township Dam | Radar vs Submersible
Blog Post Guides
Proper Grounding for Pressure Transducers | APG
Blog Post Guides
Choosing APG: What Sets Our Sensors Apart
Blog Post Guides
NIST: Keeping It Accurate
Company News
ISO 9001:2015 Recertification
Blog Post Guides
Convert PSI to LBS Using a Digital Pressure Gauge
Blog Post Guides
5 Warning Signs Your Industrial Sensor Needs an Upgrade
Blog Post Company News Guides
Settler: The Ultimate Global Gateway for Remote Sensor Monitoring
Blog Post Guides
Level and Flow (formerly Tank Cloud)
Blog Post Guides
NSF Certification: What It Means
Blog Post Product
Innovations in Level Measurement with LOE
Blog Post Guides
The Basics of Float Switches | Guide
Blog Post Guides