Part 2. the Vermont Lay Monitoring Report
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Part 2. The Vermont Lay Monitoring Report Lake Data BEEBE POND Hubbardton, VT Lay Monitors: Mary Sondergeld Barbara Cooley Joanne Zeol Former Monitors: Marilyn and Keith Brostek Beebe Pond is a small, warmwater lake. Lake Surface Area: 111 acres Drainage Basin Area 1,843 acres Maximum depth: 43 ft. (13.0 m) Average depth: 26 ft. (7.9 m) ¡ Compared to other lakes, Lake Champlain long-term summer means indicate: basin outline ¡ Lake Water clarity – high Algal population density – low Nutrient enrichment – moderate Trophic State: Mesotrophic Lake outlined by its watershed 30 Beebe Pond 2008 Summary Annual Data Days Secchi Chloro-a Summer TP Spring TP Parameter Days Min Mean Max Year Sampled (m) (ug/l) (ug/l) (ug/l) 197916 6.7 3.0 15 Secchi (m) 7 5.0 6.7 7.5 198013 7.0 3.4 16 19819 7.3 3.8 14 19828 7.6 3.5 21 19838 8.0 2.1 12 19849 8.3 3.3 10 198510 7.1 12 19868 9.0 25 19874 16 19888 8.3 1989 7 1990 7 1991 7 199210 7.4 19938 6.7 199412 7.0 3.1 11 16 19959 7.4 19968 6.9 19979 7.3 19986 12 19999 7.6 20009 7.3 20018 6.9 20028 8.1 200312 6.9 22 20048 6.3 21 20058 7.2 16 20069 6.2 15 200710 5.9 14 2008 7 40 38 36 34 Annual Average Total Phos. 32 30 28 Annual Average Chlorophyll-a 26 24 22 20 18 16 14 12 10 8 6 4 Chl.-a, Tot. Phos. (ug/l) 2 00 1 2 3 4 5 6 7 8 9 10 11 Secchi Depth (m) 12 1 2 6 7 8 3 4 8 9 4 5 79 83 84 85 89 90 95 96 00 01 06 07 9 9 9 9 98 9 9 99 9 9 0 0 00 0 0 1 1980 198 198 1 1 1 198 198 1 1 1 1991 1992 199 1 1 1 1997 199 199 2 2 2002 2003 200 2 2 2 2008 LAKE BOMOSEEN Castleton and Hubbardton, VT Lay Monitor: Alfred S. Kosloffsky Former Lay Monitors: Jim Leamy Lake Bomoseen is a large, warmwater lake. Lake Surface Area: 2,360 acres Drainage Basin Area 23,630 acres Maximum depth: 65 ft. (19.7 m) Average depth: 27 ft. (8.2 m) Compared to other lakes, long-term summer means indicate: ¡ Lake Champlain Water clarity – high basin outline Algal population density – not sampled ¡ Lake Nutrient enrichment – not sampled Trophic State: Mesotrophic Lake outlined by its watershed 32 Lake Bomoseen 2008 Summary Annual Data Days Secchi Chloro-a Summer TP Spring TP Parameter Days Min Mean Max Year Sampled (m) (ug/l) (ug/l) (ug/l) 199211 7.1 Secchi (m) 11 6.0 7.3 10 199312 6.4 Spring TP (ug/l) 1 9.9 199411 6.5 199511 5.6 11 199611 5.2 14 199713 6.2 199813 4.6 14 199913 6.8 200012 6.0 20019 7.2 200211 7.9 200313 8.3 200412 7.9 12 200514 7.7 200613 8.2 200710 8.6 8.0 200811 7.3 9.9 40 38 36 34 Annual Average Total Phos. 32 30 28 Annual Average Chlorophyll-a 26 24 22 20 18 16 14 12 10 8 6 4 Chl.-a, Tot. Phos. (ug/l) 2 00 1 2 3 4 5 6 7 8 9 10 11 Secchi Depth (m) 12 1 2 6 7 8 3 4 8 9 4 5 80 8 8 8 8 8 91 92 9 9 97 9 9 02 03 0 0 08 9 9 9 9 9 9 9 9 9 9 9 0 0 0 0 1979 1 1 1 1983 1984 1985 1 1 19 1989 1990 1 1 1 19 1995 1996 1 1 1 2000 2001 2 2 2 20 2006 2007 2 LAKE CARMI Franklin, VT ¡ Lay Monitor: Bob Rennie Former Lay Monitors: Dave Jones Richard Davis Lake Carmi is a large, shallow, warmwater lake. Lake Surface Area: 1,402 acres Drainage Basin Area 7,710 acres Maximum depth: 33 ft. (10.0 m) Average depth: 13ft. (3.9 m) Lake Champlain Compared to other lakes, long-term basin outline summer means indicate: ¡ Lake Water clarity – low Algal population density – high Nutrient enrichment – high Trophic State: Eutrophic Lake outlined by its watershed 34 Lake Carmi 2008 Summary Annual Data Days Secchi Chloro-a Summer TP Spring TP Parameter Days Min Mean Max Year Sampled (m) (ug/l) (ug/l) (ug/l) 197917 1.5 16 18 Secchi (m) 12 1.4 1.9 2.3 198016 1.7 24 18 Chl-a (ug/l) 12 4.8 16 31 198112 1.9 19 23 19827 30 Summer TP (ug/l) 12 31 38 50 198311 1.9 26 30 30 198412 1.5 30 35 25 198513 1.5 31 39 25 198613 1.3 27 37 22 198710 1.8 15 30 27 198813 2.0 14 28 198913 2.4 13 29 199014 1.7 40 28 199112 2.1 13 27 199213 2.2 14 29 199314 1.8 15 27 199414 2.2 10 24 27 199510 2.1 15 26 23 199610 2.1 10 27 29 19979 2.5 8.4 24 28 19989 2.2 7.6 23 24 19999 2.1 20 27 27 20008 2.5 12 26 25 200114 2.9 11 25 27 20029 2.7 8.0 24 25 20038 2.2 16 32 200411 2.3 13 30 29 200511 2.2 16 29 200610 1.2 36 47 200712 2.8 12 29 23 200812 1.9 16 38 80 75 70 Annual Average Total Phos. 65 60 Annual Average Chlorophyll-a 55 50 45 40 35 30 25 20 15 10 5 Chl.-a, Tot. Phos. (ug/l) 00 1 2 3 4 5 6 7 8 9 10 11 Secchi Depth (m) 12 1 2 6 7 8 3 4 8 9 4 5 79 83 84 85 89 90 95 96 00 01 06 07 9 9 9 9 98 9 9 99 9 9 0 0 00 0 0 1 1980 198 198 1 1 1 198 198 1 1 1 1991 1992 199 1 1 1 1997 199 199 2 2 2002 2003 200 2 2 2 2008 CASPIAN LAKE Greensboro, VT Lay Monitor: Andy Dales Former Lay Monitors: George Hasen Scott Irwin ¡ Caspian Lake is a large, deep, coldwater lake. Lake Surface Area: 789 acres Drainage Basin Area 4,510 acres Maximum depth: 142 ft. (43.0 m) Average depth: 57 ft. (17.3 m) Compared to other lakes, long-term summer means indicate: Lake Champlain Water clarity – high basin outline Algal population density – low ¡ Lake Nutrient enrichment – moderate Trophic State: Oligotrophic Lake outlined by its watershed 36 Caspian Lake 2008 Summary Annual Data Days Secchi Chloro-a Summer TP Spring TP Parameter Days Min Mean Max Year Sampled (m) (ug/l) (ug/l) (ug/l) 19797 4.3 Secchi (m) 12 5.0 7.4 10 19809 8.5 5.3 Chl-a (ug/l) 12 1.0 2.1 3.2 198113 7.3 2.8 5.3 198212 7.0 1.5 7.3 Summer TP (ug/l) 12 8.5 11 14 198311 6.6 2.4 8.7 Spring TP (ug/l) 1 8.0 198412 7.9 1.6 6.0 198513 7.9 3.1 7.3 198612 7.3 1.2 8.0 199112 7.2 199213 8.9 199311 9.3 199413 8.6 1.5 5.1 5.1 199512 8.4 2.0 7.9 199612 7.0 2.5 7.1 4.6 199710 7.5 1.3 7.1 5.5 199810 5.3 1.9 7.8 199910 7.0 2.9 6.5 6.9 200010 8.2 2.1 10 200110 8.1 1.5 6.7 200210 6.0 2.7 13 200314 9.4 1.6 10 200414 6.4 2.6 9.3 200513 9.7 1.7 8.6 7.2 200611 6.5 3.2 11 9.6 200712 7.3 2.0 8.5 7.9 200812 7.4 2.1 11 8.0 40 38 36 34 Annual Average Total Phos. 32 30 28 Annual Average Chlorophyll-a 26 24 22 20 18 16 14 12 10 8 6 4 Chl.-a, Tot. Phos. (ug/l) 2 00 1 2 3 4 5 6 7 8 9 10 11 Secchi Depth (m) 12 9 0 3 4 5 9 0 1 2 5 6 7 0 1 2 3 6 7 8 7 8 8 8 8 9 9 9 0 0 0 0 9 9 9 9 988 9 9 994 9 9 0 0 005 0 0 1 198 1981 1982 1 1 1 1986 1987 1 1 1 199 199 1993 1 1 1 199 1998 1999 2 2 200 200 2004 2 2 2 200 CHIPMAN LAKE Tinmouth, VT Lay Monitor: Annie Robbins Former Lay Monitors: Joseph Frankiewicz Chipman Lake is a small, shallow lake. Lake Surface Area: 79 acres Drainage Basin Area 535 acres Maximum depth: 11 ft. (3.4 m) Average depth: 7 ft. (2.1 m) Compared to other lakes, long-term summer means indicate: Lake Champlain basin outline Water clarity – Secchi disk viewed to bottom ¡ ¡ Lake during the summer Algal population density – low Nutrient enrichment – moderate Trophic State: Mesotrophic Lake outlined by its watershed 38 Chipman Lake 2008 Summary Annual Data Days Secchi Chloro-a Summer TP Spring TP Parameter Days Min Mean Max Year Sampled (m) (ug/l) (ug/l) (ug/l) 1996 11 Secchi (m) 12 3.4 3.4 3.5 199715 2.5 9.1 14 Chl-a (ug/l) 12 1.3 3.0 4.9 199815 1.8 11 199914 3.9 9.6 8.0 Summer TP (ug/l) 11 13 14 16 200014 2.9 9.4 200111 1.5 10 5.0 200213 1.8 10 200314 2.7 12 200413 2.7 13 200512 3.1 12 14 200614 2.7 16 200712 3.0 13 200812 3.0 14 40 38 36 34 Annual Average Total Phos.