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

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Delinquency Listings

Click here for information on Pioneer's new email notification service called Pioneering Communications!!



Starting October 21, 2014 Pioneer Irrigation District will be removing trees along the Parker Gulch Drain adjacent to the Wood Springs Estate Subdivision between Marshal Avenue and Airport Avenue North of Linden Street.  If you have any questions please contact the Pioneer Irrigation District office at 459-3617.

Parker Gulch Tree Removal 204

2014 Pioneer Irrigation District Tax Assessment

Pioneer Irrigation District is happy to announce that there will be only a small increase in the Administrative Fee for the 2014 irrigation tax assessment, the District Board of Directors said today.

Pioneer’s Board of Directors did not change operation and maintenance assessment of $71.00 per acre, but did increase the Assessment Expense charge from $20.00 to $25.89 per account. The 2014 assessment means the cost for a 1-acre lot will be $95.89 total, while cost for an 80-acre parcel of land will go up by only $5.89 in total, according to Pioneer Treasurer Amber Jaquier.

“The Board really hated to raise the costs to our patrons at all, but I am glad that the only increase is to the Assessment Expense,” said Alan Newbill, Chairman of the Pioneer Board. Mr. Newbill went onto explain that the District had to hire additional office staff due to the increased number of foreclosures and the need for staff to attempt to collect outstanding debts.  On the flip side there has also been an increase in requests by relators and title companies for water rights and balances due on home purchases.   The District has also seen an increase in the day to day purchases such as stamps and paper. “Everything is getting more expensive, we have seen a 5-7% increase in the cost of needed supplies.  The Assessment Expense is a flat charge that is the same for all customers no matter how much land you own,” stated Ms. Jaquier.

The assessment notices will go out to Pioneer patrons in October. Patrons will have the option of paying their 2014 assessments in full by December 20, or in two payments: the first half by December 20 and the remainder by June 20, 2015.  For more information about the assessment visit the Pioneer website at or contact the Pioneer office at 459-3617.


Ordering Water:

Remember when you need to order water please contact your ditchrider. If you do not know who your ditchrider is please contact the office at 459-3617.

Ordering water properly is imperative to our day to day operations. If Pioneer does not know you need water we will not be pulling it from storage. If you take water without ordering it prior you will be taking water from someone who did order it down the line. If you have any questions please contact us. Thank you!

Account Balance:

Is my account past due? Click here and a pdf will open that should be searchable. The accounts are in account number order. If you have any questions or comments please contact Pioneer at 208-459-3617.

Water Update:

May 1, 2014 USDA Water Supply Outlook Report click here

Please click the link below to see the current reservoir levels:
Bureau of Reclamation Site

This site is updated Monday thru Friday daily.



Next Board meeting will be held on November 10, 2014. To be on the agenda and address the Board, please call Pioneer's office at 459-3617.

Pioneer is governed by a Board of Directors:
Precinct #1-Alan Newbill
Term expires 2016

Precinct #2-Leland Earnest
Term expires 2015

Precinct #3-Rob Greenfield
Term expires 2014

Board members are elected by property owners in the District.

Pioneer Irrigation District
PO Box 426, Caldwell, ID 83606
(208) 459-3617 -
This page last modified: October 21, 2014
Copyright 2008-2012 Pioneer Irrigation District