Lake Avalon
Benton County, Arkansas56 acresView mapDirections
Arkansas DEQ publishes the water-quality measurements for Lake Avalon. Here is what has been measured.
- 51 ft max depth
- Public access
- Limited data
Lake Avalon in Benton County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 17.5 µg/L. Surface area: 56 acres.
Lake Avalon is a 56-acre lake in Benton County, Arkansas with an estimated average depth of about 51 feet. Phosphorus level is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2012-09-25. Methodology: how these readings are compared.
Lake Avalon covers about 56 acres in Benton County. It has one public boat landing. If you are planning to stay, you can search lake houses and cabins around Lake Avalon on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
What Lake Avalon is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Avalon is safe to swim in today is a call for the Arkansas Division of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Avalon
These are the measurements Arkansas DEQ publishes for Lake Avalon, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 27 µg/L. Chlorophyll-a 17.5 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 27µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 17.5µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Avalon
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~51 ft est.
Surface area
56 acres
Public access
Yes
Listed by Arkansas DEQ
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Arkansas has not published bathymetry for Lake Avalon.
Lake Size & Watershed
Watershed (drainage) area
2 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.8 mi
HydroLAKES / HydroSHEDS
Elevation
1,109 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Lake AvalonPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Avalon
Compare lakeside cabins, hotels, and vacation rentals near Lake Avalon in Benton County, Arkansas — 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 Avalon
Prices for Oct 30–Nov 1, 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.
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Fishing Lake Avalon
Water Quality Trend: Stable
Based on 4 years of monitoring (2012–2015).
Phosphorus
Improving-4 µg/L/yr4 years
Chlorophyll-a
Worsening+0.31 µg/L/yr4 years
Reservoir Info (USACE NID)
Lake Avalon is a man-made reservoir impounded by the Lake Avalon Dam (completed 1968), built primarily for recreation on the Sturgeon Creek; earth-type dam, 72 ft tall and 710 ft long.
- Surface area
- 56 ac
- Normal storage
- 1,400 ac-ft
- Max storage
- 2,000 ac-ft
- Drainage area
- 2.8 sq mi
- Hazard class
- Significant
- Owner
- Bella Vista Village Property Owners Association
Source: USACE National Inventory of Dams, NID ID AR00266 · Operator website
Nearby Lakes in Benton County
Frequently asked questions about Lake Avalon
Where is Lake Avalon?
- Lake Avalon is a lake in Benton County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.
What is the water quality of Lake Avalon?
- Lake Avalon in Benton County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 17.5 µg/L. Surface area: 56 acres.
Is Lake Avalon safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Avalon?
- No published bathymetric survey covers Lake Avalon, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 51 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 56 acres.
Are there boat ramps on Lake Avalon?
- Lake Avalon has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Avalon. Public access is listed as yes.
Can I fish at Lake Avalon?
- Lake Avalon has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Arkansas's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Avalon across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 2012. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Arkansas Department of Environmental Quality
ARDEQH2O_WQX4 samples · 2012
Analytical methods
- 4500 P J ~ Persulfate Method for Simultaneous Determination of Total Nitrogen and Total Phosphorus
- 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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory