Flood Emergencies
Within Nampa & Meridian Irrigation District
Regular Business Hours:
(208) 466-7861
After Hours:
(208) 489-6345
Within Nampa City Limits
(208) 468-5860
New Water Orders
The Nampa & Meridian Irrigation District has changed to a new automated water ordering and messaging system.
Pressurized Urban Irrigation System
Billing and Taxes
You can now make a payment online!
All payments processed after 9:00 pm will be credited to the next business day. Balances not paid on or before the due date will be subject to a 2% penalty.
A Vital Part of the History of Canyon and Ada Counties
Nampa & Meridian Irrigation District was formed in 1904 to bring water to Idaho farmers developing the lands of Canyon and Ada Counties by creating a system of canals and storage reservoirs. Some of our water rights from the Boise River date from the late 1800’s. We also have storage rights that date from the early to mid 1900’s in the Arrowrock and Anderson Reservoirs. For over a century, Nampa & Meridian Irrigation District has played a crucial role in the economy of the Treasure Valley
Canal Safety
Drowning is the leading accident cause of death for children up to four years old in our country and the second leading cause of accidental death for all kids up to age 14, according to the Centers for Disease Control. And Idaho has had the second highest unintentional drowning rate in the nation for the 1 to 5 year-old age group.
Frequently Asked Question
Browse our frequently asked questions and you may be able to save yourself a call!
