Loose Park Lake
Jackson County, MissouriView mapDirections
Nutrients and algae run well above the regional average.
- Hypereutrophic
- #23 of 23 in the county
- Limited data
Loose Park Lake in Jackson County, Missouri has a water quality grade of F (Algae-prone). Phosphorus: 510.5 µg/L. Chlorophyll-a (algae): 118.7 µg/L.
- Typical in August
- 77°F
- Type
- Hypereutrophic
- Phosphorus
- 510.5 µg/L
- Chlorophyll-a
- 118.7 µg/L
- Trend
- ↑ Improving
Stays via Stay22
Stays near Loose Park Lake
Compare lakeside cabins, hotels, and vacation rentals near Loose Park Lake in Jackson County, Missouri — 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 grade measures nutrients and algae, not lodging — cabins and rentals around Loose Park Lake are listed below.
Top-rated places to stay near Loose Park Lake
Prices for Sep 11–13, 4 adults. Change dates on the map below.
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Watch Loose Park Lake’s letter
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Loose Park Lake is a highly nutrient-loaded hypereutrophic lake in Jackson County, Missouri. Water quality is graded F based on 3 sampling years through 2021. Overall water quality is improving over recent sampling years. Compared to the 22 other monitored lakes in Jackson County, Loose Park Lake ranks #23 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2021-09-14. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The F is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: F (Algae-prone)
No clarity data. Phosphorus 510.5 µg/L. Chlorophyll-a 118.7 µg/L. TSI 86. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 510.5 µg/L | Poor |
| Chlorophyll-a (Algae) | 118.7 µg/L | Poor |
| Trophic State Index (TSI) | 86 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Water Temperature
Loose Park Lake typically sits around 77°F at the surface in August. Summer average is about 78°F. Usually warmest in Jul (about 83°F) and coldest in May (about 73°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 39 field readings (2010–2021) via the EPA Water Quality Portal. See the full Loose Park Lake water temperature breakdown →
Fishing Loose Park Lake
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -210.6 µg/L/yr | 2 |
| Chlorophyll-a | ↑ Improving | -144.9 µg/L/yr | 2 |
Regulated Pollution Sources Nearby
1 EPA-permitted facility operate within about 5 miles of Loose Park Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.
- Mdc, Discovery CenterKansas City · 1.2 mi away · NPDES MO0127787Recent violation
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
County Ranking
Ranked #23 of 23 lakes in Jackson County
Nearby Lakes With Higher Grades
Loose Park Lake holds Grade F. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Jackson County
Frequently asked questions about Loose Park Lake
Where is Loose Park Lake?
- Loose Park Lake is a lake in Jackson County, Missouri. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Loose Park Lake?
- Loose Park Lake in Jackson County, Missouri has a water quality grade of F (Algae-prone). Phosphorus: 510.5 µg/L. Chlorophyll-a (algae): 118.7 µg/L.
Is Loose Park Lake safe to swim in?
- The F is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Loose Park Lake?
- Loose Park Lake typically sits around 77°F at the surface in August, from 39 EPA Water Quality Portal field readings (2010–2021). That is a typical value for the month, not a live reading.
Explore Loose Park Lake across LakeQuality
Species activity outlook by water temperature and season
Where to stay at Missouri's top lakes, each with its grade
Very high nutrients, dense algae, poor clarity
Missouri's cleanest and most-polluted lakes, ranked
More Missouri Lake Rankings
Other Grade F Lakes in Missouri
Hypereutrophic Lakes in Missouri
Where this data comes from
29 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- EPA R7
EPA_R7_WQX29 samples · 2020–2021
Analytical methods
- Nutrient Analysis
- Chlorophyll a
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)