TID serves over 4,900 irrigation customers covering approximately 150,000 acres of farmland. TID owns and maintains more than 250 miles of gravity-fed canals and laterals.

Learn about the current reservoir level and river data. This information is updated daily.

The snowmelt from Mt. Lyell, the highest peak in Yosemite National Park, and Mt. Dana forms the headwaters of the Tuolumne River.

Proper management of the District’s water is critical to ensuring a stable and reliable supply for irrigation customers, especially in dry years.

Don Pedro Dam and Reservoir was completed in 1971. It has a total storage capacity of 2,030,000 acre-feet which is seven times larger than the original Dam built in 1923 and provides a place to bank water to accomodate farmers' irrigation needs during multiple years of dry conditions.

Learn about the District's current projects regarding water including the canal maintenance, re-licensing Don Pedro and the proposed domestic water project.

Regulatory TID staff members work diligently to stay abreast of the ever changing regulatory programs that affect the District’s operations as well as those of its customers.