Mill Creek Reservoir is a productive, nutrient-rich eutrophic lake in Amherst County, Virginia. Water quality is graded B based on 2 sampling years through 2026. Compared to the 6 other monitored lakes in Amherst County, Mill Creek Reservoir ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DNR, last sampled 2026-07-08. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 3.6 ft. Phosphorus level: 20 µg/L. Chlorophyll-a: 15.5 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.6 ft | D |
| Phosphorus | 20 µg/L | B |
| Chlorophyll-a (Algae) | 15.5 µg/L | C |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Mill Creek Reservoir
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Fishing Mill Creek Reservoir
Location
County Ranking
Ranked #4 of 7 lakes in Amherst County
Cleaner Lakes Within 30 Miles
Mill Creek Reservoir holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Amherst County
Explore Mill Creek Reservoir across LakeGrade
More Virginia Lake Rankings
Other Grade B Lakes in Virginia
Franklin County · Clarity: 4.9 ft
Bedford County · Clarity: 4.3 ft
Prince Edward County · Clarity: 3.9 ft
Franklin County · Clarity: 4.6 ft
Bedford County · Clarity: 8 ft
Bedford County · Clarity: 3.9 ft
Eutrophic Lakes in Virginia
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: 2026-07-08
Monitoring stations: 1