Lake Fayetteville
Washington County, Arkansas230 acresView mapDirections
Arkansas DEQ publishes the water-quality measurements for Lake Fayetteville. Here is what has been measured.
- Impaired · pH / acidity
- Limited data
Lake Fayetteville in Washington County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Water clarity: 2.6 ft visibility. Surface area: 230 acres.
Lake Fayetteville is a 230-acre lake in Washington County, Arkansas. Phosphorus level is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2020-07-21. Methodology: how these readings are compared.
Lake Fayetteville covers about 230 acres in Washington County. For a place on the water, look through cabin and lake-house rentals near Lake Fayetteville on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Lake Fayetteville is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.
Whether Lake Fayetteville 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 Fayetteville
These are the measurements Arkansas DEQ publishes for Lake Fayetteville, 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 2.6 ft of visibility. TSI 63.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.6ft | 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. | 63 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Fayetteville
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
230 acres
No bathymetric survey has been published for Lake Fayetteville, so its depth is not documented here.
Stays via Stay22
Stays near Lake Fayetteville
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Fishing Lake Fayetteville
Water Quality Trend: Stable
Based on 7 years of monitoring (2012–2022).
Phosphorus
Improving-1.43 µg/L/yr7 years
Chlorophyll-a
Worsening+1.71 µg/L/yr7 years
Reservoir Info (USACE NID)
Lake Fayetteville is a man-made reservoir impounded by the Lake Fayetteville (completed 1949), built primarily for recreation on the Clear Creek; earth-type dam, 49 ft tall and 1,733 ft long.
- Surface area
- 230 ac
- Normal storage
- 3,535 ac-ft
- Max storage
- 6,566 ac-ft
- Drainage area
- 9.1 sq mi
- Hazard class
- High
- Owner
- City of Fayetteville
Source: USACE National Inventory of Dams, NID ID AR00289 · Operator website
EPA Impairment Status
Lake Fayetteville 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: Other.
Source: EPA ATTAINS assessment unit AR_11110103_4080 · Official waterbody report
Nearby Lakes in Washington County
Frequently asked questions about Lake Fayetteville
Where is Lake Fayetteville?
- Lake Fayetteville is a lake in Washington 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 Fayetteville?
- Lake Fayetteville in Washington County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported. Water clarity: 2.6 ft visibility. Surface area: 230 acres.
Is Lake Fayetteville safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Fayetteville is listed impaired under Clean Water Act §303(d) (IR 5) for pH / acidity. Check local advisories before you swim.
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Where this data comes from
1 measurement from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS1 sample · 2020
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