Course catalog

Continuing education courses

Continuing education for wastewater operators. Approval and credit differ by state, so the catalog below shows availability for one state at a time.

Stabilization ponds, aerated lagoons, trickling filters, RBCs.

Each awards 1 hour · $19.00 USD each · All count toward Class 1-4 licenses.

For every state

Written so nothing in them changes from one state to the next.

Pond Maintenance: Levees, Weeds and Burrows

Level 1

Weeds, burrowing animals and weak levees are behind many costly pond failures, and all three can be caught early.

Approved for renewal credit
$19 1 hour Enroll

Pond Upsets: Low DO, Odor and Turnover

Level 1

Facultative ponds go wrong in predictable ways: oxygen crashes, odor and seasonal turnover.

Approved for renewal credit
$19 1 hour Enroll

Illinois rules & reporting

These courses teach Illinois's own regulations, so they are offered for Illinois only.

Trickling Filter Arm Speed and Recirculation

Level 1

Distributor arm speed and recirculation are the two main controls on a trickling filter.

Approved for renewal credit
$19 1 hour Enroll

After the Filter: Clarifier, Chlorine and Sludge

Level 1

What comes after a trickling filter or RBC is not run like an activated sludge plant.

Approved for renewal credit
$19 1 hour Enroll

Lagoon Effluent: Flow, Coliform and Chemicals

Level 1

Lagoon effluent brings its own measuring problems.

Approved for renewal credit
$19 1 hour Enroll

Filter Media: Depth, Grading and BOD Credit

Level 1

For trickling filters and RBCs, the media decides how much treatment you get credit for.

Approved for renewal credit
$19 1 hour Enroll

RBCs: Shaft Weight, Film Control and Failure

Level 1

A rotating biological contactor fails when the biofilm gets too heavy for the shaft.

Approved for renewal credit
$19 1 hour Enroll

Coming soon in Illinois

Built and waiting on a final review or the state's approval. Ask to be told the day one opens.

Lagoon Levers: What Each Change Costs

Level 2

Making changes in lagoon operations without knowing their effects can cause poor effluent, sludge build-up, or higher costs.

Pending state approval (Pending)

Trickling Filters: What More Flow Buys and Costs

Level 2

Operators often face trouble when increasing flow through trickling filters without understanding how it affects recirculation, sludge, and effluent quality.

Pending state approval (Pending)

Working Over Water: Jackets, Buoys and Rescue

Level 1

Operators working on lagoons often miss key safety rules about life jackets and rescue gear, leading to dangerous situations over water.

Pending state approval (Pending)

The Lagoon Round: Sludge Depth and the Bottle

Level 1

Operators often struggle with measuring lagoon sludge properly and missing key inspection steps that keep lagoons running smoothly and safely.

Pending state approval (Pending)

Lagoons: What You Control and What You Inherit

Level 1

In a lagoon system, much of what matters was decided when it was built.

Approved — not yet released for enrollment

Not seeing what you need?

Tell us the subject and we will add it to the list. What operators ask for is how we decide what to build next.

We email you twice at most: once to confirm we have it, and again if we build it. Nothing else, and no list.