478 IGA priorities for maintaining sites
where ImpairedWQ in IGA is equal to or greater than 249 KM (50th percentile)
1 IGA priorities for adding sites
97 HUC12 priorities for adding sites
where absolute value for IGA or HUC12 is equal to or greater than 135 KM (2 x mean IGA absolute value)
or IGA contains HUC12s where ImpairedWQ is equal to or greater than 88.9 KM (90th percentile)