Sar Ko Park Lake
Johnson County, KansasView mapDirections
KDHE publishes the water-quality measurements for Sar Ko Park Lake. Here is what has been measured.
- Hypereutrophic
- Impaired · Nutrients (phosphorus, nitrogen)
Sar Ko Park Lake in Johnson County, Kansas has water-quality measurements published by KDHE, shown here as reported. Phosphorus: 86.5 µg/L. Chlorophyll-a (algae): 51.9 µg/L.
Sar Ko Park Lake is a highly nutrient-loaded hypereutrophic lake in Johnson County, Kansas. Overall water quality is declining over recent sampling years. Compared to the 12 other monitored lakes in Johnson County, Sar Ko Park Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, KDHE, last sampled 2021-09-14. Methodology: how these readings are compared.
Swimming conditions
Readings onlyRecreation use not supported
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Sar Ko Park Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Sar Ko Park 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 Sar Ko Park Lake
These are the measurements KDHE publishes for Sar Ko Park Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 86.5 µg/L. Chlorophyll-a 51.9 µg/L. TSI 69.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 86.5µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 51.9µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 69 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Sar Ko Park Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Sar Ko Park Lake
Compare lakeside cabins, hotels, and vacation rentals near Sar Ko Park Lake in Johnson 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Sar Ko Park Lake are listed below.
Top-rated places to stay near Sar Ko Park Lake
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Fishing Sar Ko Park Lake
Water Quality Trend: Worsening
Based on 8 years of monitoring (2012–2021).
Phosphorus
Worsening+52.13 µg/L/yr8 years
Chlorophyll-a
Worsening+4.53 µg/L/yr8 years
EPA Impairment Status
Sar Ko Park Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Drinking water, Aquatic life, Recreation.
Source: EPA ATTAINS assessment unit KS-LM062501 · Official waterbody report
Nearby Lakes in Johnson County
Frequently asked questions about Sar Ko Park Lake
Where is Sar Ko Park Lake?
- Sar Ko Park Lake is a lake in Johnson County, Kansas. Its water-quality measurements are published by KDHE and shown on this page as reported.
What is the water quality of Sar Ko Park Lake?
- Sar Ko Park Lake in Johnson County, Kansas has water-quality measurements published by KDHE, shown here as reported. Phosphorus: 86.5 µg/L. Chlorophyll-a (algae): 51.9 µg/L.
Is Sar Ko Park Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Sar Ko Park Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
46 measurements from 1 monitoring station, 2012–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- EPA R7
EPA_R7_WQX46 samples · 2012–2021
Analytical methods
- Nutrient Analysis
- Chlorophyll a
- Fluorometric Analysis of Chlorophyll a (originally 2334.22A)
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