PWPM Wiki

Water Treatment Plant Business Case

This is a practical guide to building a business case for a water treatment plant project — the justification that weighs the costs, benefits and risks of doing the project, adapted to the realities of building a water or wastewater treatment facility.

What a Business Case is

A business case is the justification that weighs the costs, benefits and risks of doing the project. For the full concept and how it works in general, see Business Case. On a water treatment plant project it plays the same role, tuned to this kind of work.

Why it matters for a Water Treatment Plant project

Water Treatment Plant projects live or die on building a water or wastewater treatment facility. A well-built business case gives the team a shared, explicit reference for exactly that — reducing ambiguity, aligning stakeholders, and making problems visible early enough to act. Skipping it, or doing it generically, is how water treatment plant projects drift into avoidable delay and cost.

What to include

  • Problem or opportunity
  • Options considered
  • Costs and benefits
  • Financial appraisal (ROI/NPV/IRR)
  • Recommendation

Water Treatment Plant-specific considerations

Tailor the business case to the risks that most often derail water treatment plant projects:

  • Environmental compliance
  • Process commissioning
  • Regulatory approval

Example

On a real water treatment plant project, the business case would be shaped by building a water or wastewater treatment facility. In particular, it should explicitly account for the project’s biggest risks — environmental compliance, process commissioning, regulatory approval — rather than treating them as afterthoughts.