Mill Meadow Reservoir is a productive, nutrient-rich eutrophic lake in Wayne County, Utah. Water quality is graded D based on 2 sampling years through 2025. Compared to the 7 other monitored lakes in Wayne County, Mill Meadow Reservoir ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Utah DNR, last sampled 2025-09-08. Grade methodology: LakeGrade methodology.
Watch Mill Meadow Reservoir water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 5.9 ft. Chlorophyll-a: 22.7 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.9 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 22.7 µg/L | D |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Mill Meadow Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Mill Meadow Reservoir in Wayne 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 Mill Meadow 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 Mill Meadow Reservoir?
Get lake water-quality report cards plus the best cabin & lodging deals near Mill Meadow Reservoir — straight to your inbox. No spam, unsubscribe anytime.
Fishing Mill Meadow Reservoir
Location
County Ranking
Ranked #8 of 8 lakes in Wayne County
Cleaner Lakes Within 30 Miles
Mill Meadow Reservoir holds Grade D. 2 nearby lakes hold higher grades.
- ANla LakeSevier County · 8.3 mi · Two grade letters higher (D → A)
- AForsyth ReservoirSevier County · 2.1 mi · Two grade letters higher (D → A)
Nearby Lakes in Wayne County
Explore Mill Meadow Reservoir across LakeGrade
More Utah Lake Rankings
Other Grade D Lakes in Utah
Eutrophic 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: 2025-09-08
Monitoring stations: 2