Irrigation districts are committed to meeting applicable state and federal water quality standards for the benefit of the landowners they serve and for the benefit of the multiple uses of water resources of which irrigated agriculture is an integral part. Throughout the State of Washington, irrigation districts are developing water quality programs to meet the environmental challenges of the 21st century.
In the Yakima River Basin, the Roza-Sunnyside Board of Joint Control (RSBOJC) has established water quality objectives to match the Total Maximum Daily Loading (TMDL) goals that have been set for the lower Yakima River.
The RSBOJC is measuring 11 different water quality parameters to establish baseline data in an effort to determine the effectiveness of water conservation and water quality improvement projects.
The RSBOJC has adopted policies to improve water quality through a combination of policies, programs and projects.
The three Columbia Basin Project irrigation districts have expanded water quality monitoring programs to add to existing baseline data.
The Kittitas Reclamation District is collecting water quality data in anticipation of TMDL goal setting in the Kittitas Valley.
The Lake Chelan Reclamation District has been providing technical assistance to irrigators for six years through and innovative irrigation water management program. The program helps growers use irrigation water more efficiently while minimizing both runoff and deep percolation.
The Lake Chelan Reclamation District has monitored agricultural drains in the District for both trends and characterization since 1995. Monitoring included a wide variety of compounds, pesticides, herbicides and pollutants. A study was completed in 1998 comparing monitoring results with state standards and TMDL’s.
New Irrigation technology, both on-farm and in conveyance systems, is reducing agricultural water runoff. |