Process Manufacturing worked example

Process Wastewater Cost with wastewater volume treated of 45,000 gal: a worked example

What does the result look like when wastewater volume treated reaches 45,000 gal? The full calculation is worked below with real intermediate numbers. estimating wastewater treatment cost for a batch, cleaning cycle, or production campaign

The inputs for this scenario

  • Wastewater volume treated: 45,000 gal (raised for this scenario; the documented default is 18,000)
  • Treatment cost per gallon: 0.02 $ / gal (unchanged)
  • Sampling, handling, and labor cost: 240 $ (unchanged)
  • Surcharge, permit, and overhead adders: 160 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Total wastewater cost = wastewater volume × treatment cost per gallon + labor + surcharge adders) to the inputs above produces each figure below.
  • At this operating point the engine returns 1,210 $ for total process wastewater cost, the number this scenario is built around.
  • At this operating point the engine returns 0.03 $ / gal for wastewater cost per gallon.
  • At this operating point the engine returns 810 $ for variable treatment cost.
  • At this operating point the engine returns 400 $ for handling, surcharge, and overhead adders.

How this compares with the baseline

  • Against the tool's baseline example, where wastewater volume treated sits at 18,000 gal and the headline result is 724 $, this scenario comes in 67.13% above the baseline at 1,210 $.
  • A figure at this level is achievable when wastewater volume treated is genuinely sustained, not just peaked for a shift. It assumes a flat per-gallon rate; it does not model tiered surcharges that scale with pollutant concentration unless you fold that into the adders or the rate.

Results at a glance

  • total process wastewater cost: 1,210 $ (headline result)
  • wastewater cost per gallon: 0.03 $ / gal
  • variable treatment cost: 810 $
  • handling, surcharge, and overhead adders: 400 $

Run it with your numbers

  • Every input above is editable in the live Process Wastewater Cost calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.