Blog - Activated Sludge Guide

Activated Sludge Guide for Grade IV Certification

Lawrence Quarles / June 23, 2025

Introduction to the Certification Exam and Report Purpose The Grade IV ABC/WPI Wastewater Certification Exam is a rigorous assessment designed […]

A professional YouTube thumbnail featuring a focused shot of a gloved hand carefully analyzing a water sample in a laboratory setting. The hand holds a vial filled with clear liquid, reflecting the bright overhead laboratory lights, with a faint, diffused glow illuminating the surrounding scientific equipment. A blurred background shows a modern wastewater treatment plant control room, with gauges and monitors, subtly conveying the certification topic, and the text "Wastewater Certification" is prominently displayed in a clear, sans-serif font at the top. The color palette utilizes cool blues and greens, contrasted with the warm glow of the laboratory, appealing to an adult audience.

Wastewater Certification

Wastewater Certification: What’s the Timeline?

Lawrence Quarles / June 11, 2025

Discover the answer to ‘how long does it take to get a wastewater certification?’ and plan your career path in water treatment with our comprehensive guide.

SVI

SVI Troubleshooting Guide: What High and Low Values Mean

Lawrence Quarles / June 10, 2025

Troubleshoot your SVI values with this comprehensive guide. Learn what high and low readings mean for your system.

Ferric Chloride vs. Ferrous Sulfate: Which Wins?

Chemical Treatment

Comparing Ferric Chloride and Ferrous Sulfate: Which Wins?

Lawrence Quarles / June 8, 2025

Explore the pros and cons of Ferric Chloride vs. Ferrous Sulfate in this in-depth comparison. Discover which chemical wins for your needs.

SVI and MLSS: How They Work Together in Process Control

MLSS, SVI

Mastering Process Control with SVI and MLSS: A Comprehensive Guide

Lawrence Quarles / June 4, 2025

Unlock the secrets of SVI and MLSS for effective process control. Our in-depth article has the answers you need.

Activated Sludge

Activated Sludge: 7 Key Industries That Use It

Lawrence Quarles / June 3, 2025

Discover the 7 key industries that rely on activated sludge technology. Learn how this innovative process is used across diverse sectors.

A photograph of two beakers filled with clear liquids, one labeled "Aluminum Coagulant" and the other "Iron Coagulant," sitting side-by-side on a stainless-steel laboratory bench. The beaker labeled "Aluminum Coagulant" has a slight yellowish tint to its liquid, while the "Iron Coagulant" beaker contains a deeper reddish-brown liquid. Behind the beakers, a blurred view of a wastewater treatment plant suggests the context of the experiment, illuminated by soft, diffused laboratory lighting. The backdrop includes a faint sign reading "WASTEWATER treatment" to provide context.

Chemical Treatment

Aluminum vs. Iron Coagulants: Pros, Cons, and Performance

Lawrence Quarles / June 3, 2025

Explore the pros, cons, and performance of aluminum vs. iron coagulants in water treatment. Compare the key differences.

Wastewater treatment plant operator monitoring control panels at a modern wastewater operator licenses by state facility

Wastewater Certification

Wastewater Operator Licenses by State: Complete US Guide

Lawrence Quarles / May 28, 2025

Explore our comprehensive guide to wastewater operator licenses by state. Find certification levels, requirements, and official links to all US state licensing boards and agencies.