Norfork Lake is a mesotrophic lake in Baxter County, Arkansas. Water quality is graded B based on 3 sampling years through 2023. Compared to the 2 other monitored lakes in Baxter County, Norfork Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Arkansas DNR, last sampled 2023-11-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12.2 ft. Phosphorus level: 30 µg/L. Chlorophyll-a: 6 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.2 ft | B |
| Phosphorus | 30 µg/L | C |
| Chlorophyll-a (Algae) | 6 µg/L | B |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Norfork Lake
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Fishing Norfork Lake
Location
County Ranking
Ranked #2 of 3 lakes in Baxter County
Cleaner Lakes Within 30 Miles
Norfork Lake holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Baxter County
Explore Norfork Lake across LakeGrade
More Arkansas Lake Rankings
Other Grade B Lakes in Arkansas
Mesotrophic 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: 2023-11-28
Monitoring stations: 2