Recommended hydroperiod standards for wetlands (Source: State of Minnesota Storm-Water Advisory group, 1997
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Hydroperiod standard Susceptible Non-susceptible
Highly susceptible wetlands Moderately susceptible wetlands Slightly susceptible wetlands Least susceptible wetlands
Storm bounce existing Existing plus 0.5 feet Existing plus 1.0 feet No limit
Discharge rate from wetland Existing Existing Existing or less Existing or less