Lake Atalanta
Benton County, Arkansas30 acresView mapDirections
Arkansas DEQ publishes the water-quality measurements for Lake Atalanta. Here is what has been measured.
- Limited data
Lake Atalanta in Benton County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Water clarity: 6.5 ft visibility. Surface area: 30 acres.
Lake Atalanta is a 30-acre lake in Benton County, Arkansas. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2024-07-25. Methodology: how these readings are compared.
Lake Atalanta covers about 30 acres in Benton County. Vrbo is where to look for cabins and lake homes around Lake Atalanta, and Booking.com and Expedia search hotels near the lake for your dates.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Atalanta 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 Atalanta
These are the measurements Arkansas DEQ publishes for Lake Atalanta, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 6.5 ft. TSI 50.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 6.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading 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. | 50 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Atalanta
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
30 acres
No bathymetric survey has been published for Lake Atalanta, so its depth is not documented here.
Stays via Stay22
Stays near Lake Atalanta
Compare lakeside cabins, hotels, and vacation rentals near Lake Atalanta 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 Atalanta
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Fishing Lake Atalanta
Water Quality Trend: Worsening
Based on 6 years of monitoring (2017–2024).
Water clarity
Worsening6 years
Reservoir Info (USACE NID)
Lake Atalanta is a man-made reservoir impounded by the Lake Atalanta Dam (completed 1936), built primarily for recreation on the Prairie Creek; earth-type dam, 43 ft tall and 910 ft long.
- Surface area
- 30 ac
- Normal storage
- 360 ac-ft
- Max storage
- 800 ac-ft
- Drainage area
- 2.3 sq mi
- Hazard class
- High
- Owner
- City of Rogers
Source: USACE National Inventory of Dams, NID ID AR00258 · Operator website
Nearby Lakes in Benton County
Frequently asked questions about Lake Atalanta
Where is Lake Atalanta?
- Lake Atalanta 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 Atalanta?
- Lake Atalanta in Benton County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Water clarity: 6.5 ft visibility. Surface area: 30 acres.
Is Lake Atalanta safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
8 measurements from 1 monitoring station, 2017–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS8 samples · 2017–2024
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.