Horsehead Lake is a productive, nutrient-rich eutrophic lake in Johnson County, Arkansas. Water quality is graded C based on 2 sampling years through 2023. Compared to the 1 other monitored lakes in Johnson County, Horsehead Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2023-02-07. Grade methodology: LakeGrade methodology.
Watch Horsehead Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
No clarity data. Phosphorus level: 30 µg/L. Chlorophyll-a: 13.5 µg/L. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 30 µg/L | C |
| Chlorophyll-a (Algae) | 13.5 µg/L | C |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Horsehead Lake
Compare lakeside cabins, hotels, and vacation rentals near Horsehead Lake in Johnson 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 Horsehead Lake
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 trip to Horsehead Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Horsehead Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Horsehead Lake
Location
County Ranking
Ranked #1 of 2 lakes in Johnson County
Cleaner Lakes Within 30 Miles
Horsehead Lake holds Grade C. 2 nearby lakes hold higher grades.
- BHuckleberry ReservoirPope County · 27.5 mi · Higher grade (C → B)
- CLake Fort SmithCrawford County · 28.8 mi · Higher overall water quality score
Nearby Lakes in Johnson County
Explore Horsehead Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade C Lakes in Arkansas
Eutrophic Lakes in Arkansas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-02-07
Monitoring stations: 1