Critical Period Management Tools
To better assist you in managing your groundwater withdrawal permit(s), the EAA has developed a full range of online critical period tools.
Notice of Intent to Finish Out a Crop (NIFC) Calculator
Our Interactive Critical Period Calculator allows you to predict your possible end-of-year authorized groundwater withdrawal amount by allowing you to forecast future critical period days.
NOTE: Due to anticipated rule changes, this calculator is temporarily unavailable
Critical Period Calculator
Our auto-fill Critical Period Calculator allows you to accurately determine the authorized groundwater withdrawal amount available for use during times of mandatory critical period management.
Critical Period Forecast Calculator
Our Interactive Critical Period Calculator allows you to predict and plan your groundwater withdrawal amount available for use during times of mandatory critical period management.
Critical Period Usage Online Reporting System
This online form is available for users to submit their Critical Period Monthly Use Reports, as well as Annual Use Reports.
EAA Meter Matters Smartphone App
This app allows users to report meter readings, manage meters and view meter reading history.