Region Water Bodies Covered % of Sites with Improving Sulfate Trend % of Sites with Improving Nitrate Trend % of Sites with Improving ANC Trend % of Sites with Improving Base Cations Trend
Adirondack Mountains 38 lakes in NY* 100% 79% 87% 92%
New England 26 lakes in ME and VT 100% 23% 74% 60%
Catskills/ N. Appalachian Plateau 9 streams in NY and PA** 80% 53% 70% 90%
Central Appalachians 66 streams in VA 45% 77% 21% 29%