Mc Neely Lake
Jefferson County, Kentucky47 acresView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Impaired · Mercury
- Public access
- Limited data
Mc Neely Lake in Jefferson County, Kentucky is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 37.4 µg/L. Surface area: 46.5 acres.
- Area
- 47 acres
- Phosphorus
- 37.4 µg/L
- Public access
- Yes
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Watch Mc Neely Lake’s letter
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Why Mc Neely Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Mc Neely Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by KY DOW and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Mc Neely Lake is a 47-acre lake in Jefferson County, Kentucky. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2014-10-21. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Mc Neely Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water quality measurements for Mc Neely Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 37.4 µg/L. TSI 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 37.4 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 47 acres |
| Public Access | Yes |
No bathymetric survey has been published for Mc Neely Lake, so its depth is not documented here.
Fishing Mc Neely Lake
Reservoir Info (USACE NID)
Mc Neely Lake is a man-made reservoir impounded by the Lake Mcneely Dam (completed 1953), built primarily for recreation on the Floyds Fork; earth-type dam, 32 ft tall and 410 ft long.
- Surface area
- 46.5 ac
- Normal storage
- 494 ac-ft
- Max storage
- 962 ac-ft
- Drainage area
- 4.91 sq mi
- Hazard class
- Significant
- Owner
- COMMONWEALTH OF KENTUCKY
Source: USACE National Inventory of Dams, NID ID KY00117 · Operator website
EPA Impairment Status
Mc Neely Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit KY-1250 · Official waterbody report
Graded lakes near Mc Neely Lake
Mc Neely Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Jefferson County
Frequently asked questions about Mc Neely Lake
Where is Mc Neely Lake?
- Mc Neely Lake is a lake in Jefferson County, Kentucky. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Mc Neely Lake?
- Mc Neely Lake in Jefferson County, Kentucky is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 37.4 µg/L. Surface area: 46.5 acres.
Is Mc Neely Lake safe to swim in?
- The letter is not a swimming clearance. Mc Neely Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Explore Mc Neely Lake across LakeQuality
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Where this data comes from
6 measurements from 1 monitoring station, 2014. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- KY WQX
21KY_WQX6 samples · 2014
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database