Grassy Lake
Faulkner County, ArkansasView mapDirections
No nutrient or algae sampling on record from Arkansas DEQ for this lake.
- Limited data
Grassy Lake in Faulkner County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported.
Grassy Lake is a lake in Faulkner County, Arkansas. Phosphorus level is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, ADEQ, last sampled 2023-03-06. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Grassy Lake 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 Grassy Lake
These are the measurements Arkansas DEQ publishes for Grassy 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 Grassy Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Grassy Lake
Compare lakeside cabins, hotels, and vacation rentals near Grassy Lake in Faulkner 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 Grassy Lake
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.
Planning a whole trip? See where to stay at Arkansas’s top lakes →
Follow Grassy Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Grassy Lake
Water quality readings over time
3 seasons of samples on record (2020–2022). Calling a direction takes at least 4 years of the same measurement.
Phosphorus
Worsening+10 µg/L/yr3 years
Chlorophyll-a
Improving-18.2 µg/L/yr3 years
Nearby Lakes in Faulkner County
Frequently asked questions about Grassy Lake
Where is Grassy Lake?
- Grassy Lake is a lake in Faulkner County, Arkansas. Its water-quality measurements are published by Arkansas DEQ and shown on this page as reported.
What is the water quality of Grassy Lake?
- Grassy Lake in Faulkner County, Arkansas has water-quality measurements published by Arkansas DEQ, shown here as reported.
Is Grassy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Grassy Lake across LakeQuality
More lakes in Arkansas
Other Lakes in Arkansas
Where this data comes from
2 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS2 samples · 2023
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.