Guides
9 guides across 5 topics. Every one leads with a direct answer, carries at least one comparison table, and cites where its numbers come from.
Aeration
Dissolved oxygen, mixing, equipment families and sizing.
Wastewater Lagoon Aeration: The Operator's Complete Guide
How lagoon aeration works, surface vs diffused systems, sizing basics, winter operation, and how to choose the right aerator for your cells.
AerationSurface vs Diffused Aeration for Wastewater Lagoons
A working comparison of floating surface aerators and diffused fine-bubble systems: energy, mixing depth, winter behavior, cost, and where each one fails.
AerationWinter Lagoon Operation: Ice, Ammonia, and Keeping Bugs Alive
Why lagoons fail ammonia limits in winter, what to do with aerators before freeze-up, and how to read cold-weather BOD and TSS numbers without fooling yourself.
Sludge
Measuring the blanket, dredging costs and biological reduction.
Lagoon Sludge Removal: Costs, Options, and How to Decide
Dredging vs biological sludge reduction for wastewater lagoons: real cost ranges, how to measure your sludge blanket, and a decision framework.
SludgeLagoon Sludge Judging: How to Measure Your Sludge Blanket
The grid method for profiling a wastewater lagoon sludge blanket, the tools it takes, and how to convert probe readings into volume and dry tons.
Vegetation
Cattails, duckweed and algae in a permitted treatment cell.
Compliance
Ammonia, BOD, TSS and odor troubleshooting for permit holders.
Wastewater Lagoon Ammonia Removal: Why Lagoons Fail Ammonia Limits
Why lagoons fail ammonia limits, how nitrification actually works in a treatment cell, and the fix ladder from operational changes to capital upgrades.
ComplianceLagoon Odor Control: Finding the Source Before Buying the Fix
Hydrogen sulfide odor from a wastewater lagoon is a dissolved oxygen diagnostic. How to find the source, the fix ladder, and managing neighbor complaints.
Learn
How a wastewater lagoon works, explained for operators and boards.