Skip to main content
LakeQuality

Cas Reservoir Inlet Between Lf And in Valley County leads the rankings on measured clarity and nutrients and 4.3 ft of clarity. Below are the top 25 cleanest monitored lakes in Valley County, Idaho, ranked on EPA nutrient and algae measurements.

Ranked List

#LakeCountyClarityPhosphorusAlgae
1Cas Reservoir Inlet Between Lf AndValley4.3 ft40 µg/L12.4 µg/L
2Cascade R W of Sugarloaf Island LakeValley8.2 ft28.5 µg/L7.5 µg/L
3Davis ReservoirValley---
4Corral Creek ReservoirValley---
5Horsethief ReservoirValley---
6Riordan LakeValley---
7Deep LakeValley---
8Loon LakeValley---
9Caton LakeValley---
10Warm LakeValley---
11Blackmare LakeValley---
12Boulder Meadows ReservoirValley---
13Boulder LakeValley---
14Buckhorn LakeValley---
15Enos LakeValley---
16Thirtythree LakeValley---
17Box LakeValley---
18Granite LakeValley---
19Payette LakeValley---
20Hait ReservoirValley---
21Little Payette LakeValley---
22Browns PondValley---
23Cruickshank ReservoirValley---
24Upper Jug Creek ReservoirValley---
25Jemima K ReservoirValley---

More Answers for Valley County, Idaho

Get Valley County, Idaho water-quality updates

New readings can change this ranking. Unsubscribe anytime.