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

Cleanest Lakes in Kootenai County, Idaho

Thompson Lake in Kootenai County leads the rankings on measured clarity and nutrients. Below are the top 19 cleanest monitored lakes in Kootenai County, Idaho, ranked on EPA nutrient and algae measurements.

Ranked List

#LakeCountyClarityPhosphorusAlgae
1Thompson LakeKootenai---
2Anderson LakeKootenai---
3Thompson LakeKootenai---
4Harrison SloughKootenai---
5Chatcolet LakeKootenai---
6Blue LakeKootenai---
7Swan LakeKootenai---
8Black LakeKootenai---
9Medicine LakeKootenai---
10Cave LakeKootenai---
11Killarney LakeKootenai---
12Rose LakeKootenai---
13Lake HaydenKootenai---
14Alpine LakeKootenai---
15Chilco LakeKootenai---
16Avondale LakeKootenai---
17Fernan LakeKootenai---
18Hauser LakeKootenai---
19Spirit LakeKootenai---

More Answers for Kootenai County, Idaho

All lakes in Kootenai County →Cleanest lakes in Idaho →

Get Kootenai County, Idaho water-quality updates

New readings can change this ranking. Unsubscribe anytime.