Wastewater Treatment Plant Preventive Maintenance Checklist

Keeping Wastewater Treatment Plants Running Efficiently: Must-Have Maintenance Checklists

Maintaining a wastewater treatment plant isn’t just about keeping things clean—it’s about ensuring compliance, preventing costly failures, and extending the life of critical infrastructure. A well-structured maintenance routine can be the difference between smooth operations and unexpected shutdowns.

Below are some maintenance checklists from the EPA and the New Hampshire state agency to use as references. Whether you’re managing a large municipal facility or a compact onsite system, these checklists provide essential guidance to keep everything running.

🔍 Common Tasks Included in These Checklists

These checklists collectively cover multiple operations and preventive maintenance tasks. Here are some of the most common and critical categories:

• Daily system inspections (pumps, blowers, valves, tanks, screens)
• Flow monitoring and sampling equipment calibration
• Sludge level checks and solids handling
• Lubrication of motors and rotating equipment
• Checking SCADA/alarm systems for alerts or faults
• Backwashing and filter cleaning
• Chlorination/dechlorination system inspections
• Verification of chemical dosing systems
• Inspection of UV disinfection systems
• Recordkeeping of flow volumes, maintenance logs, and operator notes
• Maintaining emergency power generators and fuel levels
• Grease removal from traps and clarifiers
• Verification of contractor and vendor service schedules

📂 Wastewater Treatment Maintenance Checklists

🔧 EPA Operation & Maintenance Checklist and Tasks
Covers routine tasks like inspections, cleaning, and equipment calibration—ideal for general plant operations.

📋 New Hampshire DES Operations and Maintenance Manual Checklist
A robust framework for new facilities or upgrades, applicable beyond just New Hampshire.

✅ The Key Is Managing a Route to Prevent Water Treatment Facility Maintenance Issues

Reliable wastewater treatment depends on disciplined, routine maintenance—both to protect public health and to preserve plant investments. These checklists offer a practical, proven foundation for daily, weekly, and seasonal tasks. Whether you’re building a program from scratch or benchmarking an existing one, these resources are an excellent place to start or upgrade.

To learn how Sensfix can automate the maintenance for your WWTP, click here to schedule a call with a representative.