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 58 lakes in NY* 99% 76% 79% 93%
New England 26 lakes in ME and VT 100% 15% 74% 64%
Catskills/ N. Appalachian Plateau 9 streams in NY and PA** 80% 43% 70% 90%
Central Appalachians 70 streams in VA 54% 79% 11% 41%