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Phone: (541) 899-9913
Business Hours:
Monday - Friday - 8 a.m. - 12 p.m. and 1 p.m. - 4:30 p.m.

The Mission of the Medford Irrigation District

To deliver water equitably and efficiently with the least amount of cost to its water users, keeping in mind the need for long range planning and environmental impact. Through leadership, use of technical expertise, efficient operations, responsive customer service and the creativity of people, Medford Irrigation District will seek to protect and preserve local natural and ecosystems through the effective use of water.


The District uses the mechanical cleaning method to attempt to control the moss in the canals, this is the only method available since the use of aquatic herbicides in open canals are not permitted at this time. The District has several creeks that cross our canals throughout seventy miles of main canal, siphons have been installed at Larson Creek, Daisey Creek, Jackson Creek, Walker Creek and Horn’s Creek, but we have many more to go before the system is closed at all waterway intersections.

The District finds it extremely difficult to keep up with the moss growth during the end of June, and the months of July and August. District employees on both the East side and West side canals clean moss with a trackhoe that is equipped with a special moss rake. Moss is cleaned from the canal and placed on the bank until dry enough to haul off with dump trucks spread out with equipment, the ditch roads need to be made travelable for the ditch riders, and fall/winter maintenance. Huge amounts of moss are removed each year. Piping, concrete lined canals and siphons are a priority for the District, but the cost is tremendous and we complete a little each year. Mechanical cleaning is our only answer at this time, as moss grows quickly it fills up the canals and water cannot get through causing “water users” not to have water for their crops.

District employees are aware that turbidity is a factor in the creeks that cross the canals and they are to check for any overflows at crossings immediately downstream to assure the canal water does not enter the creeks while turbidity exists in the canal. The District has wood check boards at the crossings that are not siphoned yet, small leaks between the boards are impossible to stop, but we attempt to plug off all the leaks. When employees are cleaning directly upstream of a crossing all attempts are to be made to prevent trepid water from entering the creeks, the employee may need to stop cleaning for a time to allow water to settle. Turning water volumes down in the canal will “not” work as moss cleaning is on going daily and would cause extreme hardship to end users and district.

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