Waha Reservoir is a productive, nutrient-rich eutrophic lake in Nez Perce County, Idaho. Water quality is graded C based on 3 sampling years through 2015. Compared to the 5 other monitored lakes in Nez Perce County, Waha Reservoir ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Idaho DNR, last sampled 2015-06-16. Grade methodology: LakeGrade methodology.
Watch Waha Reservoir water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9.7 ft. Phosphorus level: 61 µg/L. Chlorophyll-a: 3.3 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.7 ft | C |
| Phosphorus | 61 µg/L | D |
| Chlorophyll-a (Algae) | 3.3 µg/L | A |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Waha Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Waha Reservoir in Nez Perce County, Idaho — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Waha Reservoir
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Waha Reservoir?
Get lake water-quality report cards plus the best cabin & lodging deals near Waha Reservoir — straight to your inbox. No spam, unsubscribe anytime.
Fishing Waha Reservoir
Location
County Ranking
Ranked #2 of 6 lakes in Nez Perce County
Cleaner Lakes Within 30 Miles
Waha Reservoir holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Nez Perce County
Explore Waha Reservoir across LakeGrade
More Idaho Lake Rankings
Other Grade C Lakes in Idaho
Eutrophic Lakes in Idaho
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2015-06-16
Monitoring stations: 1