Notice To Control Noxious Weeds - Please read the notice here.

Treasure Valley storage water rights are potentially at stake. Click here to learn about the issue at hand, who is affected, what the status is and how you can help.

Board of Director meetings are typically held on the 7th of each month, unless there is a conflict. They are held at Pioneer's office at 3804 S.  Lake Ave., in Caldwell, ID. The next scheduled Special Board Meeting is August 12, 2020 at 10:00 a.m.

If you would like to be on the agenda to address the Board, please call the District's Secretary/Treasurer at 208-459-3617.

Ordering water properly is imperative to the day-to-day operations of the District.  Our personnel place water orders every day with Water District water managers.  If we don't know you need water, we won't order it put into the system for you.  If you take water you haven't ordered, you are taking someone else's water.

Likewise, not ordering your water off can cause downstream flooding and is not an efficient use of water.  Do not allow your water to waste while being unused, as this shortens the irrigation season for everyone.  Best management practices observed by everyone will ensure a more abundant supply in the reservoirs and lengthen the irrigation season.

Please order your water on and off accurately through your ditchrider directly.  Your ditchrider's contact information can be obtained on the Contact page.  The office can tell you who your ditchrider is if you don't know, but the office does not take water orders.

If you have questions, please call Pioneer’s office at 208-459-3617.

Ordering Water

District Map

pay your bill online

Board meetings

Click here to pay your Pioneer Irrigation bill online!! 

Once the payment processing screen opens, please click the Irrigation Assessments link on the right side and enter the required data  to pay your bill.

Please note there is a convenience fee of 2.95% of the payment amount for credit/debit cards ($1.95 minimum) or $0.95 for electronic checks.  These fees pay for the cost of credit card/EFT processing and do not benefit Pioneer Irrigation District.


Pay-by-phone is available NOW!  You may call the office at 208-459-3617 to pay your bill over the phone (convenience fees noted above do apply). 

Pioneer Irrigation District is a non-profit irrigation district providing irrigation water to 34,000+ acres of land in parts of Canyon County and Western Ada County, Idaho.  Established in 1901, Pioneer is proud to be a part of the Treasure Valley's rich agricultural history and we are continually looking for the best ways to manage water needs now and into the future for both agricultural and residential irrigation uses.

Important News Updates

Water is currently in the system for the 2020 season.

Pioneer has not yet determined a shut-off date, but it will be posted as soon as we do.

Each property is assigned a ditchrider.  If you experience problems with your irrigation, please contact your ditchrider directly.  Their phone numbers are located on the Contact page.  If you don't know who your ditchrider is, please call the office and we can tell you.

PLEASE NOTE:  The office does not schedule service calls or take water orders for ditchriders.  You must contact them directly.  They are often out on their rides, so if you get their voicemail, please leave them a complete message and they WILL call you back.

History of Pioneer Irrigation

2020 season


For a map of Pioneer Irrigation District, please click here.

To learn the history of Pioneer Irrigation District please click here.