| Area | Basin-wide/Regional |
| Topic | WQ: Dissolved Aluminum MDEP Baseflow Sites 1999-2001 |
| Caption: This chart shows the minimum, mean, and maximum Dissolved Aluminum (Al) levels measured during the Maine Department of Environmental Protection WQM Program's 1999-2001 baseflow study. Data were collected in June-October. Aluminum levels were generally high in the Sheepscot basin (13.9 - 132 ug/L) with highest levels occurring in Trout Brook (29.5 - 132 ug/L). Kroglund and Staurnes (1999) concluded that Atlantic salmon smolts are impaired by exposure to water with pH < 6.2-6.3 and inorganic aluminum concentration as low as 15-20 µg/L. See Info Links for more information. | |
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