Lake Eleanor
Warren County, Missouri3 acresView mapDirections
Missouri DNR publishes the water-quality measurements for Lake Eleanor. Here is what has been measured.
- Eutrophic
Lake Eleanor in Warren County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 45 µg/L. Chlorophyll-a (algae): 12.2 µg/L. Surface area: 3 acres.
Lake Eleanor is a 3-acre productive, nutrient-rich eutrophic lake in Warren County, Missouri. Overall water quality is declining over recent sampling years. Compared to the 15 other monitored lakes in Warren County, Lake Eleanor ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2021-09-17. Methodology: how these readings are compared.
Lake Eleanor covers about 3 acres in Warren County. Vrbo is where to look for cabins and lake homes around Lake Eleanor, and Booking.com and Expedia search hotels near the lake for your dates.
Swimming conditions
Readings onlyModerate algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Eleanor 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 Lake Eleanor
These are the measurements Missouri DNR publishes for Lake Eleanor, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. Phosphorus 45 µg/L. Chlorophyll-a 12.2 µg/L. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 45µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 12.2µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Eleanor
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Lake Eleanor typically sits around 78°F at the surface in September. Summer average is about 83°F. Usually warmest in Jul (about 86°F) and coldest in Apr (about 61°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (61°F) to its warmest (86°F).
Typical surface water temperature by month, from 93 field readings (2010–2024) via the EPA Water Quality Portal. See the full Lake Eleanor water temperature breakdown →
Lake Details
Surface area
3 acres
No bathymetric survey has been published for Lake Eleanor, so its depth is not documented here.
Stays via Stay22
Stays near Lake Eleanor
Compare lakeside cabins, hotels, and vacation rentals near Lake Eleanor in Warren County, Missouri — 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 Lake Eleanor
Prices for Oct 23–25, 4 adults. Change dates on the map below.
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 whole trip? See where to stay at Missouri’s top lakes →
Follow Lake Eleanor’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Eleanor
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Worsening+6.52 µg/L/yr5 years
Chlorophyll-a
Improving-0.46 µg/L/yr5 years
Reservoir Info (USACE NID)
Lake Eleanor is a man-made reservoir impounded by the Lake Eleanor Dam (completed 1966), built primarily for recreation on the TR-WOLF CREEK; earth-type dam, 28 ft tall.
- Surface area
- 3 ac
- Normal storage
- 23 ac-ft
- Max storage
- 45 ac-ft
- Drainage area
- 100 sq mi
- Hazard class
- Low
- Owner
- LK SHERWOOD EST HMOWN AS
Source: USACE National Inventory of Dams, NID ID MO30015 · Operator website
Nearby Lakes in Warren County
Frequently asked questions about Lake Eleanor
Where is Lake Eleanor?
- Lake Eleanor is a lake in Warren County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Lake Eleanor?
- Lake Eleanor in Warren County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 45 µg/L. Chlorophyll-a (algae): 12.2 µg/L. Surface area: 3 acres.
Is Lake Eleanor safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Lake Eleanor?
- Lake Eleanor typically sits around 78°F at the surface in September, from 93 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
Explore Lake Eleanor across LakeQuality
More lakes in Missouri
Other Lakes in Missouri
Eutrophic Lakes in Missouri
Where this data comes from
45 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC45 samples · 2020–2021
Analytical methods
- Depth, Secchi disk in meters
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 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.