Bee Tree Lake
St. Louis County, Missouri9 acresView mapDirections
No nutrient or algae sampling on record from Missouri DNR for this lake.
- Impaired · Mercury
- Public access
- Limited data
Bee Tree Lake in St. Louis County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Surface area: 9 acres.
Bee Tree Lake is a 9-acre lake in St. Louis County, Missouri. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2023-10-17. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Bee Tree Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Bee Tree Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Bee Tree Lake
These are the measurements Missouri DNR publishes for Bee Tree Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Bee Tree Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
9 acres
Public access
Yes
Listed by Missouri DNR
No bathymetric survey has been published for Bee Tree Lake, so its depth is not documented here.
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Fishing Bee Tree Lake
Reservoir Info (USACE NID)
Bee Tree Lake is a man-made reservoir impounded by the Bee Tree Lake Dam (completed 1972), built primarily for recreation on the TR TO MERAMEC RIVER; earth-type dam, 18 ft tall.
- Surface area
- 9 ac
- Normal storage
- 40 ac-ft
- Max storage
- 87 ac-ft
- Drainage area
- 180 sq mi
- Hazard class
- High
- Owner
- ST. LOUIS COUNTY
Source: USACE National Inventory of Dams, NID ID MO31378 · Operator website
EPA Impairment Status
Bee Tree Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit MO_7309.00 · Official waterbody report
Regulated Pollution Sources Nearby
10 EPA-permitted facilities operate within about 5 miles of Bee Tree Lake under Clean Water Act (NPDES) discharge permits, including 3 classified by the EPA as major dischargers. 4 facilities have a reported Clean Water Act violation in the past three years.
- Ameren Missouri - Meramec Energy CenterSt. Louis · 0.6 mi away · NPDES MO0000361MajorRecent violation
- Rcsd Kimmswick WwtpKimmswick · 3.2 mi away · NPDES MO0106461MajorRecent violation
- Msd Lower Meramec WwtpSt. Louis · 1.3 mi away · NPDES MO0127949Major
- Clyde Hamrick Elementary School WwtpImperial · 3.3 mi away · NPDES MO0138657Recent violation
- Moawc, Meramec PlantSt. Louis · 3.9 mi away · NPDES MO0001279Recent violation
- Msd, Lower Meramec WwtfSt. Louis · 0.3 mi away · NPDES MO0100978
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in St. Louis County
Frequently asked questions about Bee Tree Lake
Where is Bee Tree Lake?
- Bee Tree Lake is a lake in St. Louis County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Bee Tree Lake?
- Bee Tree Lake in St. Louis County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Surface area: 9 acres.
Is Bee Tree Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Bee Tree Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Can I fish at Bee Tree Lake?
- Public access to Bee Tree Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Missouri's fish and wildlife agency, so check its current regulations before you go.
Explore Bee Tree Lake across LakeQuality
Planning a trip around Gateway Arch?
Bee Tree Lake is about 17 miles from Gateway Arch National Park. Crowds there swing hard by season, so the month you pick changes both how busy the park is and what lodging costs.
Best time to visit Gateway Arch →More lakes in Missouri
Other Lakes in Missouri
Where this data comes from
3 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Missouri Dept. of Natural Resources
MDNR3 samples · 2023
Analytical methods
- Depth, Secchi disk in meters
- Nitrogen and Phosphorus, Total, Whole-water, Alkaline Persulfate Digest
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)