509.837.5141 | P.O. Box 810, Sunnyside, WA 98944


TERRACE HEIGHTS SPILL UPDATE #4 (8/31/2018 @ 2:50p.m.)

August 31, 2018

Terrace Heights spill update #4

TERRACE HEIGHTS SPILL UPDATE #3 (8/30/18 @ 4:45p.m.)

August 30, 2018

Terrace Heights spill update #3


August 29, 2018

Notice: A Terrace Heights Sewer District pipeline carrying raw sewage across the Roza Irrigation District Canal along Terrace Heights Drive was found leaking sewage into the Roza Canal at approximately 7:30 am on Wednesday, August 29. Sewer District personnel were…

Work Authorizations for the 2018-2019 construction season deadline date is October 20th, 2018

July 20, 2018

The 2018-2019 construction season is right around the corner.  Roza landowners please make arrangements with our Engineering department for any new deliveries or other changes landowners would like to make during the  upcoming 2018-2019 construction season.   A work authorization…

Forecast Updates February 2018

March 7, 2018

Snowpack is back to nearly 100% of average which is very good news. The storms over the past two weeks appear to have replaced the snow that melted off earlier in February, and the remaining snow is very dense and…

First Water Date

July 19, 2017

Roza will begin diversions on March 15th with deliveries beginning a few days later. Please check the website for updates if conditions change.

Water supply improves to 84%

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Forecast update for April

USBR has issued a water supply forecast of 77% for the proratable irrigation districts on April 4. Snowpack is 65%…

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“Public Lands” bill signed by President

President Trump signed S.47 this morning in the Oval office with Senator Cantwell and Representative Newhouse in attendance, both were…

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First Water Date

Diversions are scheduled to begin on April 7th, with deliveries beginning a few days later. This should allow for the…

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Forecast update for March

USBR has issued a 90% water supply forecast for the proratable irrigation districts. The low-end water supply forecast is 60%,…

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Industry Guidance for fruit irrigated with contaminated water

Roza water users- Attached is information that has been received from the Tree Fruit Association, and included is a letter…

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