Ogden City Lake
Riley County, KansasView mapDirections
KDHE publishes the water-quality measurements for Ogden City Lake. Here is what has been measured.
- Impaired · Nutrients (phosphorus, nitrogen)
- Public access
- Limited data
Ogden City Lake in Riley County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 0.9 ft visibility. Chlorophyll-a (algae): 168.5 µg/L.
Ogden City Lake is a lake in Riley County, Kansas. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2018-06-12. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Ogden City Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Ogden City Lake is safe to swim in today is a call for the Kansas Department of Health and Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Ogden City Lake
These are the measurements KDHE publishes for Ogden City Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 0.9 ft of visibility. Chlorophyll-a 168.5 µg/L. TSI 80.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 169µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 80 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
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Answers come straight from the public measurements and survey records on this page.
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Fishing Ogden City Lake
EPA Impairment Status
Ogden City Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit KS-LM011701 · Official waterbody report
Nearby Lakes in Riley County
Frequently asked questions about Ogden City Lake
Where is Ogden City Lake?
- Ogden City Lake is a lake in Riley County, Kansas. Its water-quality measurements are published by KDHE and shown on this page as reported.
What is the water quality of Ogden City Lake?
- Ogden City Lake in Riley County, Kansas has water-quality measurements published by KDHE, shown here as reported. Water clarity: 0.9 ft visibility. Chlorophyll-a (algae): 168.5 µg/L.
Is Ogden City Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Ogden City Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Can I fish at Ogden City Lake?
- Public access to Ogden City Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Kansas's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
2 measurements from 1 monitoring station, 2018. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Kansas Department Of Health And Environment
21KAN001_WQX2 samples · 2018
Analytical methods
- Depth, Secchi disk depth
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database