Benjy Kinman Lake
Henry County, Kentucky50 acresView mapDirections
Nutrients and algae run above the regional average.
↓ down from C at the last regrade
- Eutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- #2 of 2 in the county
- Public access
- Limited data
Benjy Kinman Lake in Henry County, Kentucky has a water quality grade of D (Nutrient-rich). Phosphorus: 33.5 µg/L. Surface area: 49.6 acres.
- Area
- 50 acres
- Type
- Eutrophic
- Phosphorus
- 33.5 µg/L
- Public access
- Yes
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Stays near Benjy Kinman Lake
Compare lakeside cabins, hotels, and vacation rentals near Benjy Kinman Lake in Henry 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Benjy Kinman Lake are listed below.
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Benjy Kinman Lake is a 50-acre productive, nutrient-rich eutrophic lake in Henry County, Kentucky. Water quality is graded D based on 1 sampling years through 2022. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Henry County, Benjy Kinman Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, KY DOW, last sampled 2022-09-07. Grade methodology: LakeQuality methodology.
What Benjy Kinman Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The D is nutrients and algae, not a swimming clearance. Benjy Kinman Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus 33.5 µg/L. TSI 55. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 33.5 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 50 acres |
| Public Access | Yes |
No bathymetric survey has been published for Benjy Kinman Lake, so its depth is not documented here.
Recreation & Access
- Benjy Kinman LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Benjy Kinman Lake
Reservoir Info (USACE NID)
Benjy Kinman Lake is a man-made reservoir impounded by the Benjy Kinman Lake Dam (completed 1992), built primarily for recreation on the Trib-Kentucky River; earth-type dam, 26 ft tall and 430 ft long.
- Surface area
- 49.6 ac
- Normal storage
- 119 ac-ft
- Max storage
- 573 ac-ft
- Drainage area
- 0.08 sq mi
- Hazard class
- Low
- Owner
- Kentucky DEPARTMENT OF FISH & WILDLIFE RESOURCES
Source: USACE National Inventory of Dams, NID ID KY01106 · Operator website
EPA Impairment Status
Benjy Kinman 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-3669 · Official waterbody report
County Ranking
Ranked #2 of 2 lakes in Henry County
Nearby Lakes With Higher Grades
Benjy Kinman Lake holds Grade D. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Henry County
Frequently asked questions about Benjy Kinman Lake
Where is Benjy Kinman Lake?
- Benjy Kinman Lake is a lake in Henry County, Kentucky. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Benjy Kinman Lake?
- Benjy Kinman Lake in Henry County, Kentucky has a water quality grade of D (Nutrient-rich). Phosphorus: 33.5 µg/L. Surface area: 49.6 acres.
Is Benjy Kinman Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Benjy Kinman Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Are there boat ramps on Benjy Kinman Lake?
- Benjy Kinman Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Benjy Kinman Lake. Public access is listed as yes.
Explore Benjy Kinman Lake across LakeQuality
More Kentucky Lake Rankings
Other Grade D Lakes in Kentucky
Eutrophic Lakes in Kentucky
Where this data comes from
12 measurements from 2 monitoring stations, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- KY WQX
21KY_WQX12 samples · 2022
Analytical methods
- Total Phosphorus After Block Digestion
- Turbidity by Nephelometry
Monitoring station identifiers (2)
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
Named boat-access points from the USGS National Boat Ramps inventory