Welcome to the City of Caldwell Water Department

View our annual drinking water report


Sign up here for Water/Sewer/Trash

  •  Water service may be delivered in the same day as long as sign up is done before 4:00pm.   

To pay your water bill online:  Click here

For any questions about online payments, please contact our Water Department staff at:
(208) 455-3000 ext. 1.


To pay your water bill over the phone, please call(855) 768-4827. 
Note: There is a $1.50 service charge, charged to the customer at time of payment for over-the-phone payments


Questions about your water bill? Please call: (208) 455-3000 option 1.


Questions about your existing recycling service with Republic Services? Please call: (208) 466-3302.


Irrigation service is initially set up at City Hall with new water service. 

However, water and irrigation are billed separately. If you have questions about irrigation, including billing questions, please call: (208) 455-3070 option 2


Information &Links: 


*If you have any questions on utility billing policies for non-owner occupied property, owner occupied property, sign-up (new service initiation) procedures, deposits, or delinquent accounts, please click here.


Republic Services (recycling and trash provider)


City Water Ordinance                Billing Policy                       Road Closures          

Helpful Tips:  

Cold weather is here! Don't let your pipes and meters

Pipe freeze-prevention tips             Water Saving Tips

Sewer Backups              


Owner/Agent Form (Used when renting your property to someone else)

Auto Debit Form          

Caldwell Cares
                  Dog License Forms 

Caldwell Cares
is a program that provides a
ssistance with utility bills for those in need.  The City of Caldwell and the Salvation Army have partnered up to assist Caldwell customers with their water bill.  The City will collect donations from caring customers and apply the available funds to the qualified recipients' water bills.  For more information, please click here.


We strive to always provide the Caldwell community with the best possible products and services. We fully comply federal regulations such as the the Safe Drinking Water Act. The Water Department is diligent in efforts to keep the costs of our products and services as low as possible, even when faced with rising costs. We are always striving to improve service to our residents.

Contact Us
Caldwell Water Department
P.O. Box 1179
Caldwell, Idaho 83606
City Hall 411 Blaine St
P.O. Box 880 Caldwell Id 83606
Monday thru Friday 7:30am to 5:00pm
(208)455-3000 ext.1
(208)454-3640 Fax
(208)466-3302 Garbage
After Hours "Emergency only" (208)250-1638
Email: water@cityofcaldwell.org

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Pay water bills at City Hall (Map)
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