Ferron Reservoir is a cold, clear oligotrophic lake in Sanpete County, Utah. Water quality is graded A based on 2 sampling years through 2025. Compared to the 12 other monitored lakes in Sanpete County, Ferron Reservoir ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2025-09-24. Grade methodology: LakeGrade methodology.
Watch Ferron Reservoir water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Crystal clear, you can see 19 ft down. Chlorophyll-a: 0.8 µg/L. Trophic State Index: 31.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 19 ft | A |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 0.8 µg/L | A |
| Trophic State Index (TSI) | 31 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Ferron Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Ferron Reservoir in Sanpete County, Utah — 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 Ferron 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 Ferron Reservoir?
Get lake water-quality report cards plus the best cabin & lodging deals near Ferron Reservoir — straight to your inbox. No spam, unsubscribe anytime.
Fishing Ferron Reservoir
Location
County Ranking
Ranked #1 of 13 lakes in Sanpete County
Nearby Lakes in Sanpete County
Explore Ferron Reservoir across LakeGrade
More Utah Lake Rankings
Other Grade A Lakes in Utah
Oligotrophic Lakes in Utah
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: 2025-09-24
Monitoring stations: 1