• Evening in downtown Caldwell

    photo credit: Dan Smede

  • Winter Wonderland 2019 Festival

    Destination Caldwell

  • Main Street, circa 1950-s - Ellis

    photo credit - unknown

  • 2018 4th of July Fireworks

    Dan Smede

  • Historic Caldwell Home

    Jan Boles

  • Old City Hall, circa 1930

    photo credit: unknown

  • Cardboard Kayak Races - 2018

    Destination Caldwell

  • Indian Creek Plaza ice ribbon

    Destination Caldwell

Wastewater Treatment Plant

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Our system is composed of a wastewater treatment plant, lift stations, and sewer main line and manholes. Please contact us at the number listed regarding problems with the collection system. Contact the Water Department for billing information. Contact the Engineering Department for main line extensions and connection fees.

Contact Us

Caldwell Wastewater Treatment Plant
208 Johnson Lane
Caldwell, Idaho 83606
Phone: (208) 455-3027
Emergency: (208) 949-1278

Septic hauler dumping hours: 8:00am to 4:30pm, Monday - Friday

Wastewater Treatment Plant Photo Gallery

Updated on 02/21/2019 2:32 PM

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