Colwich City Lake is a highly nutrient-loaded hypereutrophic lake in Sedgwick County, Kansas. Water quality is graded F based on 2 sampling years through 2013. Compared to the 8 other monitored lakes in Sedgwick County, Colwich City Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2013-07-15. Grade methodology: LakeGrade methodology.
Watch Colwich City Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 0.8 ft of visibility. Phosphorus level: 900 µg/L. Chlorophyll-a: 800 µg/L. Trophic State Index: 93.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.8 ft | F |
| Phosphorus | 900 µg/L | F |
| Chlorophyll-a (Algae) | 800 µg/L | F |
| Trophic State Index (TSI) | 93 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Colwich City Lake
Compare lakeside cabins, hotels, and vacation rentals near Colwich City Lake in Sedgwick County, Kansas — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Colwich City Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Colwich City Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Colwich City Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Colwich City Lake
Location
County Ranking
Ranked #8 of 9 lakes in Sedgwick County
Cleaner Lakes Within 30 Miles
Colwich City Lake holds Grade F. 3 nearby lakes hold higher grades.
- BNla LakeSedgwick County · 11.8 mi · Two grade letters higher (F → B)
- CCheney LakeSedgwick County · 15.2 mi · Two grade letters higher (F → C)
- DLake AftonSedgwick County · 13.3 mi · Higher grade (F → D)
Nearby Lakes in Sedgwick County
Explore Colwich City Lake across LakeGrade
More Kansas Lake Rankings
Other Grade F Lakes in Kansas
Harvey County · Clarity: 1.3 ft
Harvey County · Clarity: 1.2 ft
Harvey County · Clarity: 1 ft
Reno County · Clarity: 1.3 ft
McPherson County · Clarity: 0.1 ft
McPherson County · Clarity: 1.8 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: 2013-07-15
Monitoring stations: 1