Ririe Reservoir is a mesotrophic lake in Bonneville County, Idaho. Water quality is graded A based on 2 sampling years through 2024. Compared to the 6 other monitored lakes in Bonneville County, Ririe Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Idaho DNR, last sampled 2024-09-17. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
No clarity data. Phosphorus level: 19 µg/L. Chlorophyll-a: 3.2 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 19 µg/L | A |
| Chlorophyll-a (Algae) | 3.2 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Ririe Reservoir
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Fishing Ririe Reservoir
Location
County Ranking
Ranked #1 of 7 lakes in Bonneville County
Nearby Lakes in Bonneville County
Explore Ririe Reservoir across LakeGrade
More Idaho Lake Rankings
Other Grade A Lakes in Idaho
Mesotrophic 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: 2024-09-17
Monitoring stations: 1