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Lake Water Quality Summary Reports |
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Annotation of Lake Water Quality Summary Information Forms (pdf, 89 KB) |
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Lake Name: Lake Iroquois
The outlet for this lake is located in the town of Hinesburg
The water quality classification is B
The lake type is NATURAL with ARTIFICIAL CONTROL
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Towns located in the lake watershed:
| Town | Shoreline on lake? |
| Hinesburg | Yes |
| Richmond | Yes |
| St. George | No |
| Williston | Yes |
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Physical Information:
The lake area is 247 acres.
The watershed area is 2418 acres.
The maximum depth is 37 feet.
The mean depth is 19 feet.
The volume is 4693 acre feet.
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Present Uses of the Lake:
| Waterfowl | No |
| Swimming | Yes |
| Fishing | Yes |
| Warmwater Fishing | Yes |
| Coldwater Fishing | No |
| Boating | Yes |
| Boating (carry-in only) | No |
| Power Supply | No |
| Water Supply | No |
| Emergency Water Supply | No |
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Public Lands Adjacent to this Lake:
| Access Type | Municipal | State | Federal | PowerUtility |
| Boat | Yes | Yes | No | No |
| Land | Yes | No | No | No |
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Lay Monitoring Program - Water Chemistry Monitoring Data Summary:
The average spring phosphorus concentration is 27.34 ug/l, based on 28 years of data.
The average Secchi disk measurement is 3.8 m, based on 46 years of data.
The average summer phosphorus concentration is 26.800000 ug/l, based on 30 years of data.
The average chlorophyll-a concentration is 11.63 ug/l, based on 35 years of data.
The trophic state is Eutrophic.
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