Late afternoon sun over Slim Lake, scattering a bright path across wind-textured water

Cheshire County Lake Quality

New Hampshire, 82 lakes, measured by NHDES

Cheshire County in New Hampshire carries 82 monitored lakes — one of the lake-richer counties in our dataset. Coverage that dense usually reflects active lake-association sampling alongside state-agency monitoring. 26 of those lakes carry recent nutrient and algae readings. The county-level summary describes that subset, not every water body listed. The county-wide picture is low-to-moderate phosphorus with clear summer transparency across most monitored lakes.

Most of the county's monitored lakes are shallow, under 50 feet, which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Contoocook Lake-Deep Spot has the lowest nutrient and algae readings in the county.

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Quick Answers for Cheshire County

Cleanest lakes in Cheshire County →Best swimming lakes in New Hampshire →

Planning a trip? Check special fishing regulations for Contoocook Lake-Deep Spot — or check the official New Hampshire fishing regulations.

All Lakes in Cheshire County

82 lakes · 26 ranked on readings, 56 without enough sampling26 lakes ranked on readings · 56 without enough sampling, hidden

Include not-rated lakes (56)

#	Lake	Clarity	Phosphorus	Algae	Trophic	Max Depth	Access
1	Contoocook Lake-Deep SpotCheshire	No recent samples	14.4 µg/L	2.4 µg/L	No recent samples	No recent samples	Not recorded
2	Gilmore Pond-Deep SpotCheshire	No recent samples	8.8 µg/L	2 µg/L	No recent samples	No recent samples	✓ Public
3	Harrisville Pond-Deep SpotCheshire	No recent samples	8.9 µg/L	4.2 µg/L	No recent samples	No recent samples	✓ Public
4	Laurel Lake-Deep SpotCheshire	No recent samples	8.2 µg/L	2.9 µg/L	No recent samples	No recent samples	✓ Public
5	Silver Lake-Deep SpotCheshire	No recent samples	5.9 µg/L	2.4 µg/L	No recent samples	No recent samples	Not recorded
6	Stone Pond-Deep SpotCheshire	No recent samples	10.2 µg/L	4.2 µg/L	No recent samples	No recent samples	✓ Public
7	Thorndike Pond-Deep SpotCheshire	No recent samples	10.3 µg/L	3.2 µg/L	No recent samples	No recent samples	✓ Public
8	Chesham Pond-Deep SpotCheshire	No recent samples	11.2 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
9	Dublin Pond-Boat LandingCheshire	No recent samples	5.3 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
10	Dublin Pond-Dublin Lake ClubCheshire	No recent samples	5 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
11	Dublin Pond-Womens ClubCheshire	No recent samples	6.1 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
12	Emerson Pond-Deep SpotCheshire	No recent samples	14.8 µg/L	12.9 µg/L	No recent samples	No recent samples	Not recorded
13	Frost Pond-Deep SpotCheshire	No recent samples	10.4 µg/L	3 µg/L	No recent samples	No recent samples	✓ Public
14	Kilburn Pond-Deep SpotCheshire	No recent samples	11.3 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
15	Lake Monomonac-Loon BayCheshire	No recent samples	11.2 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
16	Pool Pond-Deep SpotCheshire	No recent samples	14.8 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
17	Rockwood Pond-Deep SpotCheshire	No recent samples	9.9 µg/L	4.7 µg/L	No recent samples	No recent samples	Not recorded
18	Swanzey Lake-Deep SpotCheshire	No recent samples	9.4 µg/L	4.1 µg/L	No recent samples	No recent samples	Not recorded
19	Warren Lake-Arbor Way BeachCheshire	No recent samples	14.6 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
20	Forest Lake-Deep SpotCheshire	No recent samples	14.5 µg/L	5 µg/L	No recent samples	No recent samples	Not recorded
21	Lake Skatutakee-Deep SpotCheshire	No recent samples	10.1 µg/L	5.1 µg/L	No recent samples	No recent samples	✓ Public
22	Russell Reservoir-Deep SpotCheshire	No recent samples	17 µg/L	4.9 µg/L	No recent samples	No recent samples	Not recorded
23	Warren Lake-Deep SpotCheshire	No recent samples	16.8 µg/L	7.6 µg/L	No recent samples	No recent samples	Not recorded
24	Wilson Pond-Deep SpotCheshire	No recent samples	16.8 µg/L	3.2 µg/L	No recent samples	No recent samples	✓ Public
25	Lake Monomonac-Coot BayCheshire	No recent samples	40.3 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
26	Pearly Lake-Deep SpotCheshire	No recent samples	29.7 µg/L	8.3 µg/L	No recent samples	No recent samples	Not recorded
	Arch Street Bridge LakeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	✓ Public
	Babbidge ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Bolster PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	✓ Public
	Bowker PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5 ft	Not recorded
	Bullet PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	25 ft	Not recorded
	Caldwell PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	40 ft	Not recorded
	Cass PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Center PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	25 ft	✓ Public
	Chapman PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	✓ Public
	Cheshire PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	Not recorded
	Childs BogCheshire	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
	Cold Spring PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
	Contoocook Lake DamCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Contoocook Lake-South EndCheshire	No recent samples	11.5 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
	Crowcroft PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5 ft	Not recorded
	Cummings Meadow ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5.9 ft	Not recorded
	Damon Upper ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	3.9 ft	Not recorded
	Emerson Pond-Cathedral BeachCheshire	No recent samples	10.1 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
	Emerson Pond-Wozniak BeachCheshire	No recent samples	10.1 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
	Goose PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Granite LakeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	115 ft	✓ Public
	Grassy PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5 ft	✓ Public
	Hodge PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Hubbard PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	15 ft	Not recorded
	Island PondCheshire	8.5 ft	No recent samples	No recent samples	No recent samples	No recent samples	✓ Public
	Lake SkatutakeeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Laurel Lake-Keene Ave TribCheshire	No recent samples	5 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
	Meetinghouse PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	✓ Public
	Mountain Brook ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	Not recorded
	Mud PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5.2 ft	Not recorded
	Nutting Road Bridge LakeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Otter Brook LakeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	35 ft	Not recorded
	Pecker Pond-Deep SpotCheshire	No recent samples	8.4 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
	Perkins PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5 ft	✓ Public
	Pickerel Creek PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10.8 ft	Not recorded
	Pisgah ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Robb ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	Not recorded
	Robbins PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	6.6 ft	Not recorded
	Russell Reservoir-BeachCheshire	No recent samples	10.5 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
	Sand PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	65 ft	✓ Public
	Scott PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	2 ft	Not recorded
	Seaver ReservoirCheshire	No recent samples	No recent samples	No recent samples	No recent samples	20 ft	Not recorded
	Sip PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	5 ft	Not recorded
	Spectacle PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	9.2 ft	Not recorded
	Spofford LakeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	✓ Public
	Spoonwood PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	70 ft	Not recorded
	Sportsman PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	Not recorded
	Spot Meadow PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Stone PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	✓ Public
	Surry Mountain LakeCheshire	No recent samples	No recent samples	No recent samples	No recent samples	10 ft	✓ Public
	Swanzey Lake-Pilgrim Pines BeachCheshire	No recent samples	5 µg/L	No recent samples	No recent samples	No recent samples	Not recorded
	Swanzey Lake-Public BeachCheshire	No recent samples	5 µg/L	No recent samples	No recent samples	No recent samples	✓ Public
	Tolman PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	12.8 ft	Not recorded
	Village PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	9.8 ft	Not recorded
	Wellman PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded
	Woodward PondCheshire	No recent samples	No recent samples	No recent samples	No recent samples	No recent samples	Not recorded

NR = no nutrient or algae reading on record. The measurements are published as the authority reports them. Where the data comes from.

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Source: the New Hampshire Department of Environmental Services. See data sources.