Crystal Lake is a productive, nutrient-rich eutrophic lake in Benton County, Arkansas. Water quality is graded D based on 2 sampling years through 2025. Compared to the 13 other monitored lakes in Benton County, Crystal Lake ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2025-12-09. Grade methodology: LakeGrade methodology.
Watch Crystal Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
No clarity data. Phosphorus level: 40 µg/L. Chlorophyll-a: 35.3 µg/L. Trophic State Index: 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 40 µg/L | C |
| Chlorophyll-a (Algae) | 35.3 µg/L | F |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Crystal Lake
Compare lakeside cabins, hotels, and vacation rentals near Crystal Lake 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 Crystal 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 Crystal Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Crystal Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Crystal Lake
Location
County Ranking
Ranked #13 of 14 lakes in Benton County
Cleaner Lakes Within 30 Miles
Crystal Lake holds Grade D. 5 nearby lakes hold higher grades.
- BLoch Lomond LakeBenton County · 10.7 mi · Two grade letters higher (D → B)
- BLake RayburnBenton County · 14 mi · Two grade letters higher (D → B)
- BNorwood LakeBenton County · 14.4 mi · Two grade letters higher (D → B)
- BLake WindsorBenton County · 12.9 mi · Two grade letters higher (D → B)
- BLake AvalonBenton County · 13 mi · Two grade letters higher (D → B)
Nearby Lakes in Benton County
Explore Crystal Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade D 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: 2025-12-09
Monitoring stations: 1