Water Works Park Lake
Johnson County, KansasView mapDirections
KDHE publishes the water-quality measurements for Water Works Park Lake. Here is what has been measured.
- Hypereutrophic
Water Works Park Lake in Johnson County, Kansas has water-quality measurements published by KDHE, shown here as reported. Phosphorus: 101.7 µg/L. Chlorophyll-a (algae): 107 µg/L.
Water Works 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, Water Works Park Lake ranks #12 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 onlyAlgae risk
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. Check local advisories before you swim.
Whether Water Works 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 Water Works Park Lake
These are the measurements KDHE publishes for Water Works 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 101.7 µg/L. Chlorophyll-a 107 µg/L. TSI 74.
| 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 | 102µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 107µg/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. | 74 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Water Works Park Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Water Works Park Lake
Compare lakeside cabins, hotels, and vacation rentals near Water Works 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 Water Works Park Lake are listed below.
Top-rated places to stay near Water Works Park Lake
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Fishing Water Works Park Lake
Water Quality Trend: Worsening
Based on 8 years of monitoring (2012–2021).
Phosphorus
Worsening+143.84 µg/L/yr8 years
Chlorophyll-a
Stable-0.94 µg/L/yr8 years
Reservoir Info (USACE NID)
Water Works Park Lake is a man-made reservoir impounded by the Waterworks Dam (completed 1920), built primarily for other on the Mill Creek-Tr; other-type dam, 9 ft tall.
- Max storage
- 15.6 ac-ft
- Drainage area
- 0.63 sq mi
- Hazard class
- High
- Owner
- OLATHE, CITY OF
Source: USACE National Inventory of Dams, NID ID KS04495 · Operator website · Matched by proximity (0.31 km)
Nearby Lakes in Johnson County
Frequently asked questions about Water Works Park Lake
Where is Water Works Park Lake?
- Water Works 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 Water Works Park Lake?
- Water Works Park Lake in Johnson County, Kansas has water-quality measurements published by KDHE, shown here as reported. Phosphorus: 101.7 µg/L. Chlorophyll-a (algae): 107 µg/L.
Is Water Works Park Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Water Works Park Lake across LakeQuality
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Hypereutrophic Lakes in Kansas
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.