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

Cleanest Lakes in Sullivan County, New York

Mastens Lake in Sullivan County leads the rankings with a water quality grade of NR. Below are the top 50 cleanest monitored lakes in Sullivan County, New York, ranked by EPA water quality score.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1Mastens LakeSullivanNR---
2Beaverdam PondSullivanNR---
3Mongaup PondSullivanNR---
4Waneta LakeSullivanNR---
5Orchard LakeSullivanNR---
6Lake UncasSullivanNR---
7Forest LakeSullivanNR---
8Amber LakeSullivanNR---
9Trojan LakeSullivanNR---
10Shandelee LakeSullivanNR---
11Hunter PondSullivanNR---
12Lily PondSullivanNR---
13North PondSullivanNR---
14Neversink ReservoirSullivanNR---
15South Wind LakeSullivanNR---
16East PondSullivanNR---
17Silver LakeSullivanNR---
18Alta LakeSullivanNR---
19Baileys LakeSullivanNR---
20Anawana LakeSullivanNR---
21Morningside LakeSullivanNR---
22Evens LakeSullivanNR---
23Loch SheldrakeSullivanNR---
24Hilldale PondSullivanNR---
25Luzon LakeSullivanNR---
26Silver LakeSullivanNR---
27Swan LakeSullivanNR---
28Briscoe LakeSullivanNR---
29Grossingers LakeSullivanNR---
30Revonah LakeSullivanNR---
31Lenape LakeSullivanNR---
32Matawa LakeSullivanNR---
33Sand PondSullivanNR---
34Lake JeffersonSullivanNR---
35Hunter LakeSullivanNR---
36Filippini PondSullivanNR---
37Kazens PondSullivanNR---
38Hust PondSullivanNR---
39Kenoza LakeSullivanNR---
40Mitchell PondSullivanNR---
41Crystal LakeSullivanNR---
42Lake MuskodaySullivanNR---
43Tennanah LakeSullivanNR---
44Holp PondSullivanNR---
45Lake FlorenceSullivanNR---
46York LakeSullivanNR---
47Feagles LakeSullivanNR---
48Clarks PondSullivanNR---
49Perry PondSullivanNR---
50Lake HuntingtonSullivanNR---

More Answers for Sullivan County, New York

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