Pomona Lake is a productive, nutrient-rich eutrophic lake in Osage County, Kansas. Water quality is graded D based on 2 sampling years through 2017. Compared to the 5 other monitored lakes in Osage County, Pomona Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Kansas DNR, last sampled 2017-08-02. Grade methodology: LakeGrade methodology.
Watch Pomona Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Very murky, less than 2.9 ft of visibility. Phosphorus level: 67 µg/L. Chlorophyll-a: 31.5 µg/L. Trophic State Index: 64.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 ft | F |
| Phosphorus | 67 µg/L | D |
| Chlorophyll-a (Algae) | 31.5 µg/L | D |
| Trophic State Index (TSI) | 64 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Pomona Lake
Compare lakeside cabins, hotels, and vacation rentals near Pomona Lake in Osage 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 Pomona 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 Pomona Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Pomona Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Pomona Lake
Location
County Ranking
Ranked #5 of 6 lakes in Osage County
Cleaner Lakes Within 30 Miles
Pomona Lake holds Grade D. 4 nearby lakes hold higher grades.
- BMelvern LakeOsage County · 12.9 mi · Two grade letters higher (D → B)
- BClinton LakeDouglas County · 22.1 mi · Two grade letters higher (D → B)
- CStrowbridge ReservoirOsage County · 12.1 mi · Higher grade (D → C)
- CLone Star LakeDouglas County · 16.2 mi · Higher grade (D → C)
Nearby Lakes in Osage County
Explore Pomona Lake across LakeGrade
More Kansas Lake Rankings
Other Grade D Lakes in Kansas
Eutrophic 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: 2017-08-02
Monitoring stations: 1