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

Cleanest Lakes in Beaverhead County, Montana

Lima Reservoir in Beaverhead County leads the rankings with a water quality grade of NR. Below are the top 27 cleanest monitored lakes in Beaverhead County, Montana, ranked by EPA water quality score.

Ranked List

#LakeCountyGradeClarityPhosphorusAlgae
1Lima ReservoirBeaverheadNR---
2Mud LakeBeaverheadNR---
3Conklin LakeBeaverheadNR---
4Upper Red Rock LakeBeaverheadNR---
5Swan LakeBeaverheadNR---
6Widgeon PondBeaverheadNR---
7Elk LakeBeaverheadNR---
8Lower Red Rock LakeBeaverheadNR---
9Fish Creek LakeBeaverheadNR---
10Lake AgnesBeaverheadNR---
11Brownes LakeBeaverheadNR---
12Reservoir LakeBeaverheadNR---
13Hamby LakeBeaverheadNR---
14Upper Miner LakesBeaverheadNR---
15Upper Miner LakesBeaverheadNR---
16Lower Miner LakesBeaverheadNR---
17Estler LakeBeaverheadNR---
18Boot LakeBeaverheadNR---
19Pear LakeBeaverheadNR---
20Torrey LakeBeaverheadNR---
21Waukena LakeBeaverheadNR---
22Twin LakesBeaverheadNR---
23Hirschy ReservoirBeaverheadNR---
24Odell LakeBeaverheadNR---
25Baldy LakeBeaverheadNR---
26Sand LakeBeaverheadNR---
27Mussigbrod LakeBeaverheadNR---

More Answers for Beaverhead County, Montana

All lakes in Beaverhead County →Cleanest lakes in Montana →

Get Beaverhead County, Montana water-quality updates

New grades and algae readings can change this ranking. Unsubscribe anytime.