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AS OF JUNE 1, 2020 AT 8:00 AM, CITY OFFICES ARE NOW OPEN TO WALK-IN TRAFFIC.  PLEASE CHECK THE THE COVID-19 UPDATE PAGE  (CLICK ON THE LINK) FOR MORE INFORMATION ON THE GOVERNOR'S PHASED PLAN FOR REOPENING iDAHO.  SOCIAL DISTANCING AND SANITIZING/DISINFECTION PROTOCOLS WILL TO REMAIN IN PLACE AT ALL CITY OFFICES.

 

 

 

 

 

  • Evening in downtown Caldwell

    photo credit: Dan Smede

  • Historic Caldwell Home

    Jan Boles

  • Spring in Caldwell

    Angie Point

  • Cardboard Kayak Races - 2018

    Destination Caldwell

  • Winter Wonderland 2019 Festival

    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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