New Wastewater Treatment Plant!

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The City of Molalla is currently in construction on a NEW WASTEWATER TREATMENT PLANT, here are some highlights:

  • Changes the treatment process from activated sludge lagoons to a sequencing batch reactor.
    • Increases treatment capacity to approximately 15,000 people.
    • Modular in nature for simpler and less costly expansion when needed.
  • Changes the lagoons from a treatment facility to clean water holding ponds.
    • Decreases risk of environmental hazards.
    • Increases options for recycled water re-use.
  • Changes the disinfection process from chlorine infusion to ultraviolet light.
    • Reduced carbon footprint.
    • Substantial cost savings on chlorine.
  • Want to Learn More?
    • Check out the FAQ section, or ask in the Questions section!

The City of Molalla is currently in construction on a NEW WASTEWATER TREATMENT PLANT, here are some highlights:

  • Changes the treatment process from activated sludge lagoons to a sequencing batch reactor.
    • Increases treatment capacity to approximately 15,000 people.
    • Modular in nature for simpler and less costly expansion when needed.
  • Changes the lagoons from a treatment facility to clean water holding ponds.
    • Decreases risk of environmental hazards.
    • Increases options for recycled water re-use.
  • Changes the disinfection process from chlorine infusion to ultraviolet light.
    • Reduced carbon footprint.
    • Substantial cost savings on chlorine.
  • Want to Learn More?
    • Check out the FAQ section, or ask in the Questions section!

Questions about the WWTP Project...

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  • Share Will the new plant have a place for residents to empty their RV tanks like they have in Estacada? on Facebook Share Will the new plant have a place for residents to empty their RV tanks like they have in Estacada? on Twitter Share Will the new plant have a place for residents to empty their RV tanks like they have in Estacada? on Linkedin Email Will the new plant have a place for residents to empty their RV tanks like they have in Estacada? link

    Will the new plant have a place for residents to empty their RV tanks like they have in Estacada?

    Dgreif asked 2 months ago

    Thank you for your question.  No, the new plant is not designed with an RV dump site.  

    Sincerely, 

    The Molalla Current Project Team

Page last updated: 20 Apr 2026, 04:05 PM