From the State Water Resources Control Board:
This notice is intended for water right holders whose Permit or License contains Standard Water Right Term 91 (Term 91).
Holders of water rights containing Term 91 (Term 91 water right holders) are prohibited from diverting water within the Sacramento–San Joaquin River Delta (Delta) watershed under such rights when (i) the Delta is in “Balanced Condition” and (ii) Supplemental Project Water (SPW) releases are being made by the Central Valley Project (CVP) or State Water Project (collectively Projects).
The Delta is referred to be in “Balanced Condition” when the Projects are being operated to meet water quality and flow requirements in the Delta. SPW releases1 are releases of imported and previously stored Project water to meet inbasin entitlements, including maintenance of Delta water quality and flow requirements.
Term 91 Curtailment Notice 2022