Kirwin Lake is a productive, nutrient-rich eutrophic lake in Phillips County, Kansas. Water quality is graded C based on 2 sampling years through 2016.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2016-08-15. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 5.5 ft. Phosphorus level: 65.5 µg/L. Chlorophyll-a: 16.1 µg/L. Trophic State Index: 58.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.5 ft | C |
| Phosphorus | 65.5 µg/L | D |
| Chlorophyll-a (Algae) | 16.1 µg/L | C |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Kirwin Lake
Location
County Ranking
Ranked #1 of 1 lakes in Phillips County
Cleaner Lakes Within 30 Miles
Kirwin Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Phillips County
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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: 2016-08-15
Monitoring stations: 1