Antelope Lake is a highly nutrient-loaded hypereutrophic lake in Graham County, Kansas. Water quality is graded F based on 2 sampling years through 2016.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2016-08-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 0.9 ft of visibility. Phosphorus level: 215 µg/L. Chlorophyll-a: 62 µg/L. Trophic State Index: 77.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.9 ft | F |
| Phosphorus | 215 µg/L | F |
| Chlorophyll-a (Algae) | 62 µg/L | F |
| Trophic State Index (TSI) | 77 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
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Location
County Ranking
Ranked #1 of 1 lakes in Graham County
Cleaner Lakes Within 30 Miles
Antelope Lake holds Grade F. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Graham County
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More Kansas Lake Rankings
Other Grade F Lakes in Kansas
Norton County · Clarity: 2 ft
Ellis County · Clarity: 0.7 ft
Hodgeman County · Clarity: 1.6 ft
Barton County · Clarity: 0.4 ft
Stafford County · Clarity: 0.9 ft
Jewell County · Clarity: 1.3 ft
Hypereutrophic Lakes in Kansas
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: 2016-08-16
Monitoring stations: 1