The 2018 Irrigation Season will end tentatively on October 17th. The District has requested for a variance from the Central Valley Flood Protection Board for late dam removal, however as of September 26th, the District has not yet received approval. Please see the preliminary removal schedule below and check back periodically as all updates will be posted here.

  • October 15th – New Hogan releases will be reduced down to 20 cfs.
  • October 17th – Irrigation Season ends. Irrigation water left behind in all diversion dams is available to pump as needed. Bellota Weir will be removed and the 2-foot winter weir and fish ladder will be installed in a 2-day process. Diversion dam drainage will start upstream on Mormon Slough & Potter Creek, then the Old Calaveras River & Mosher Slough.
  • October 26th – Dam removal will be completed on Mormon Slough. Removal on Calaveras River, Mosher Slough and Potter Creek will continue until completion.

Irrigation Dam Installation/Removal Schedule