Colby City Pond is a cold, clear oligotrophic lake in Thomas County, Kansas. Water quality is graded B based on 2 sampling years through 2018.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2018-08-19. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
No clarity data. Phosphorus level: 0.3 µg/L. Chlorophyll-a: 10.4 µg/L. Trophic State Index: 19.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 0.3 µg/L | A |
| Chlorophyll-a (Algae) | 10.4 µg/L | C |
| Trophic State Index (TSI) | 19 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
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Location
County Ranking
Ranked #1 of 1 lakes in Thomas County
Nearby Lakes in Thomas County
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More Kansas Lake Rankings
Other Grade B Lakes in Kansas
Oligotrophic 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: 2018-08-19
Monitoring stations: 1