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New Hampshire Lake Quality

 

Lakes make up some of the most valuable and utilized water resources in New Hampshire.

Chemical and physical aspects of a lake, and the biological cycles and components of a lake play an important role in determining water quality. Food chains directly affect the fisheries and wildlife capacity of a lake. The type and abundance of plants and algea can and do affect the planned uses of a lake. Monitoring biological components is important to understanding and managing New Hampshire's beautiful lakes.

 

Lake Quality in the NH Lakes Region

COLOR (Water Clarity): Clear 0-25 / Light Tea-Color 25-40 / Tea Color 40-75

PLANTS Sparse growth SG few emergent plants, Scattered SP small patches or shoreline growth, Common plants CP around the shoreline, abundant AG shoreline growth with thick surface patches visible, very abundant VG 1/2 the surface area covered

TROPHIC CLASS is a designation of a lake or pond according to algae production, rooted plant growth, water clarity and bottom dissolved oxygen levels

OLIGO - Minimal Support for algal blooms or rooted plant growth
MESO - Moderate Support
EUTRO - High Support

 

Body of Water

Acres

Max. Depth

Color

Trophic

Town

Plants

 

 

 

 

 

 

 

Ashuelot Pond

299

23'

30

MESO

Washington

cp

Beech Pond, Lower

154

49'

10

OLIGO

Tuftonboro

cp

Blaisdell Lake

158

43'

11

OLIGO

Sutton

sg

Bow Lake

1,160

75'

14

MESO

Strafford, Northwood

sg

Crescent Lake

148

21'

20

OBLIGO

Wolfeboro

sg

Crystal Lake

364

54'

24

OBLIGO

Enfield

sp

Crystal Lake

441

51'

26

OBLIGO

Gilmanton

sg

Dan Hole Pond

408

131'

20

OBLIGO

Tuftonboro

sp

Eastman Pond

334

40'

23

EUTRO

Grantham

cp

Franklin Pierce Lake
(Jackman Reservoir)

519

30'

30

OLIGO

Hillsboro

sp

Gregg Lake

195

36

12

OLIGO

Antrim

sp

Goose Pond

553

33'

18

OLIGO

Canaan

sp

Grafton Pond

320

65'

15

MESO

Grafton

cp

Great East Lake

1,706

102'

N/A

N/A

Wakefield

sp

Half Moon Lake

280

20'

18

MESO

Alton, Barnstead

cp

Hermit Lake

176

49'

15

MESO

Sanbornton

vg

Highland Lake

210

47'

20

MESO

Andover

sp

Highland Lake

711

29'

30

MESO

Washington

cp

Hills Pond

137

42'

30

MESO

Alton

cp

Island Pond

202

55'

15

OLIGO

Washington

sp

Jenness Pond

243

28'

8

MESO

Northwood, Pittsfield

cg

Lake Kanasatka

371

40'

8

OLIGO

Moultonbourogh

sp

Kezar Lake

181

26'

15

MESO

Sutton

sp

Kolkelemook Lake

98

22'

10

OLIGO

Springfield

sp

Little Sunapee Lake

471

43'

10

MESO

New London, Springfield

sg

Loon Pond

121

45'

10

MESO

Gilmanton

cp

Loon Lake

111

29'

17

MESO

Plymouth

sp

Lovell Lake

537

41'

15

OLIGO

Wakefield

sg

Manning Lake

202

53'

20

OLIGO

Gilmanton

sg

Mascoma Lake

1,114

65'

25

MESO

Enfield

sg

Massasecum Lake

401

49'

14

MESO

Bradford

cg

Mendum's Pond

252

52

39

OLIGO

Nottingham

sg

Merrymeeting Lake

1,111

135'

0

OLIGO

New Durham

sg

Mirror Lake

377

43'

25

MESO

Tuftonboro, Wolfeboro

cg

Mountainview Lake

104

22'

16

OLIGO

Sunapee

sp

Newfound Lake

4,105

182'

0

OLIGO

Alexandria, Bridgewater,
Bristol, Hebron

sp

Northwood Lake

686

24'

24

MESO

Northwood, Deerfield, Epsom

sp

Opechee Bay

426

61'

5

OLIGO

Laconia

sp

Ossipee Lake

3091

50'

21

OLIGO

Freedom, Ossipee

sg

Otter Pond

184

24'

12

MESO

Sunapee

cp

Pine River Pond

593

42'

10

MESO

Wakefield

sp

Pemigewasset Lake

241

28'

38

MESO

Meredith, New Hampton

ag

Perkins Pond

156

8'

10

OLIGO

Sunapee

sp

Pleasant Lake

493

65'

0

OLIGO

Deerfield

sg

Rust Pond

210

40'

7

MESO

Wolfeboro

sp

Sawyer Lake

79

15'

17

OLIGO

Gilmanton

sp

Shellcamp Pond

148

15'

70

MESO

Gilmanton

vg

Silver Lake

216

19'

9'

MESO

Belmont, Tilton

vg

Silver Lake

994

164'

12

OLIGO

Madison

sg

Spectacle Pond

107

18'

15

OLIGO

Enfield

cg

Sunapee Lake

4,090

104'

5

OLIGO

Newbury, New London, Sunapee

sp

Lower Suncook Pond

216

15'

18

MESO

Barnstead

cp

Upper Suncook Pond

362

41'

28

OLIGO

Barnstead

sp

Sunrise Lake

250

man made lake

 

 

Middleton

 

Sunset Lake

205

77'

15

OLIGO

Alton

sg

Squam Lake

6,764

99'

0

OLIGO

Holderness, Sandwich,
Center Harbor

sg

Swain's Lake

405

21'

33

MESO

Barrington

cg

Lake Waukewan

912

70'

13

OLIGO

Meredith, New Hampton

sg

Webster Lake

612

38'

7

OLIGO

Franklin

sp

Lake Wentworth

3,017

82'

11

OLIGO

Wolfeboro

sg

Wickwas Lake

328

35'

22

MESO

Meredith

vg

Wild Goose Pond

98

21'

20

OLIGO

Pittsfield

cp

Lake Winnepocket

226

66'

7

OLIGO

Webster

sg

Lake Winnipesaukee

44,585

180'

0-14

OLIGO

Alton, Center Harbor,
Gilford, Laconia, Meredith,
Moultonboro, Tuftonboro, Wolfeboro

sg

Lake Winnisquam

4,264

150'

7

OLIGO

Belmont, Laconia, Meredith, Sanbornton, Tilton

sg

Lake Winona

154

47.9'

12

MESO

New Hampton

sg

 

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