Wolfe County, Kentucky · Water Quality Report Card
Mill Creek Lake
Mill Creek Lake in Wolfe County, Kentucky has a water quality grade of C (Fair). Phosphorus: 30 µg/L.
- Type
- Eutrophic
- Trend
- ↓ Declining
Mill Creek Lake is a productive, nutrient-rich eutrophic lake in Wolfe County, Kentucky. Water quality is graded C based on 1 sampling years through 2023. Overall water quality is declining over recent sampling years. Compared to the 1 other monitored lakes in Wolfe County, Mill Creek Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2023-09-21. Grade methodology: LakeGrade methodology.
Watch Mill Creek Lake 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)
No clarity data. Phosphorus level: 30 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 30 µg/L | Fair |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Mill Creek Lake
Compare lakeside cabins, hotels, and vacation rentals near Mill Creek Lake in Wolfe County, Kentucky — 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 Creek Lake
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 Creek Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Mill Creek Lake — straight to your inbox. No spam, unsubscribe anytime.
Planning a whole trip? See where to stay at Kentucky’s top lakes →
Fishing Mill Creek Lake
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↓ Declining | +1.66 µg/L/yr | 3 |
Location
County Ranking
Ranked #2 of 2 lakes in Wolfe County
Nearby Lakes in Wolfe County
Explore Mill Creek Lake across LakeGrade
3 documented falls within 13.7 mi, nearest Creation Falls
Species activity outlook by water temperature and season
Where to stay at Kentucky's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Kentucky's cleanest and most-polluted lakes, ranked
More Kentucky Lake Rankings
Other Grade C Lakes in Kentucky
Eutrophic Lakes in Kentucky
More records, surveys & data sources
Where this data comes from
22 measurements from 2 monitoring stations, 2013–2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- KY WQX
21KY_WQX22 samples · 2013–2023
Analytical methods
- Phosphorus by Colorimetry
- Total Phosphorus After Block Digestion
- Turbidity by Nephelometry
Monitoring station identifiers (2)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2023-09-21
Monitoring stations: 2