Table Rock Lake
Barry County, MissouriView mapDirections
Missouri DNR publishes the water-quality measurements for Table Rock Lake. Here is what has been measured.
- Mesotrophic
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Answers come straight from the public measurements and survey records on this page.
Table Rock Lake in Barry County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 3.3 ft visibility. Phosphorus: 30.5 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
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Table Rock Lake is a mesotrophic lake in Barry County, Missouri. Overall water quality is improving over recent sampling years. Compared to the 8 other monitored lakes in Barry County, Table Rock Lake ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-18. Grade methodology: LakeQuality methodology.
Swimming conditions
Readings onlyModerate algae
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 Table Rock Lake is safe to swim in today is a call for the Missouri Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Table Rock Lake
These are the measurements Missouri DNR publishes for Table Rock 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 3.3 ft of visibility. Phosphorus 30.5 µg/L. Chlorophyll-a 6.5 µg/L. TSI 54.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | Measured, not scored |
| Phosphorus | 30.5 µg/L | Fair |
| Chlorophyll-a (Algae) | 6.5 µg/L | Fair |
| Trophic State Index (TSI) | 54 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Table Rock Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.039 m/yr | 5 |
| Phosphorus | ↑ Improving | -2.18 µg/L/yr | 5 |
| Chlorophyll-a | ↑ Improving | -0.58 µg/L/yr | 5 |
Nearby Lakes in Barry County
Frequently asked questions about Table Rock Lake
Where is Table Rock Lake?
- Table Rock Lake is a lake in Barry County, Missouri. Its water-quality measurements are published by Missouri DNR and shown on this page as reported.
What is the water quality of Table Rock Lake?
- Table Rock Lake in Barry County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 3.3 ft visibility. Phosphorus: 30.5 µg/L. Chlorophyll-a (algae): 6.5 µg/L.
Is Table Rock Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Table Rock Lake across LakeQuality
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Where this data comes from
102 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC102 samples · 2020–2024
Analytical methods
- Depth, Secchi disk in meters
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
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.