22 IGA priorities for maintaining sites

where IncrTP in IGA is equal to or greater than 1860 MetricTons/Yr (50th percentile)

63 IGA priorities for adding sites

where absolute value for IGA or HUC12 is equal to or greater than 623 MetricTons/Yr (2 x mean IGA absolute value)

and 2446 IGA priorities (not plotted, refer to map) without a long-term mean value and upstream of an IGA meeting the criteria