•4.1.1 Air Quality Days •4.1.2 Overall Water Quality Index - Skagit River •4.1.3 Lowest Annual River Flow •4.1.4 Water Temperature Index •4.1.5 PM 2.5 Concentration (24hr Annual AVG)
•4.2.1 Population Density •4.2.2 Acreage of Natural Resource Land
•4.3.1 Share Electricity Consumption by Type •4.3.2 Renewable Energy Consumption •4.3.3 Municipal Solid Waste per Capita •4.3.4 Municipal Solid Waste Recycled
•4.4.1 Christmas Bird Count
