Small and lagoon systems
For operators of lagoons, ponds and small fixed-film plants, often running the town's water too.
Stabilization ponds, aerated lagoons, trickling filters and RBCs: the plants most small towns run, taught for the operator who runs them alone. Watch online at your own pace and download your certificate the same day.
On sale now in Illinois (7)
Showing Illinois. Change state in the catalogue.
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 creditCounts toward Class 1-4 operator licenses.
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 creditCounts toward Class 1-4 operator licenses.
Lagoon Effluent: Flow, Coliform and Chemicals
Level 1
Lagoon effluent brings its own measuring problems.
Approved for renewal creditCounts toward Class 1-4 operator licenses.
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 creditCounts toward Class 1-4 operator licenses.
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 creditCounts toward Class 1-4 operator licenses.
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 creditCounts toward Class 1-4 operator licenses.
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 creditCounts toward Class 1-4 operator licenses.
Coming soon (5) - not open for enrolment yet
Written and approved or being approved in Illinois, and still in our final review.
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)Awards 1 hour · Technical.
Counts toward Class 1-4 operator licenses.
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 enrollmentAwards 1 hour · Technical.
Counts toward Class 1-4 operator licenses.
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)Awards 1 hour · Technical.
Counts toward Class 1-4 operator licenses.
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)Awards 1 hour · Technical.
Counts toward Class 1-4 operator licenses.
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)Awards 1 hour · Safety.
Counts toward Class 1-4 operator licenses.
Tools for the reports
DMR Bench
The monthly wastewater DMR, prepared for NetDMR.
Not open to the public yet. Use the form below to hear when it is.
Water Bench
The monthly operating report for a water supply, and the yearly Consumer Confidence Report.
Not open to the public yet. Use the form below to hear when it is.
Do the hours count?
Each course awards hours toward your licence renewal. Approval is state by state, and each course page shows whether it is approved in your state.
Tell me when
Leave your email and we will tell you when there is something new to enrol in. That is the only thing we will use it for.