Harper County Lake Quality
Kansas, 1 lakes, average grade D (Poor)
Only 1 lakes in Harper County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. On average, Harper County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Anthony City Lake (D); the most-stressed is Anthony City Lake (D).
Quick Answers for Harper County
Planning a trip? Check special fishing regulations for Anthony City Lake — or check the official Kansas fishing regulations.
All Lakes in Harper County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Anthony City Lake | D | 0.4 ft | 200.3 µg/L |
Other Counties in Kansas
See how Harper County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
Where to stay near Harper County
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Source: EPA National Aquatic Resource Surveys, 2026.