Table Rock Lake
Barry County, MissouriView mapDirections
Missouri DNR publishes the water-quality measurements for Table Rock Lake. Here is what has been measured.
- Eutrophic
- Impaired · Algal growth
Table Rock Lake in Barry County, Missouri has water-quality measurements published by Missouri DNR, shown here as reported. Water clarity: 2.3 ft visibility. Phosphorus: 67 µg/L. Chlorophyll-a (algae): 21 µg/L.
Table Rock Lake is a productive, nutrient-rich eutrophic lake in Barry County, Missouri. Overall water quality is declining over recent sampling years. Compared to the 8 other monitored lakes in Barry County, Table Rock Lake ranks #8 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-20. 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. Table Rock Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). 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 2.3 ft of visibility. Phosphorus 67 µg/L. Chlorophyll-a 21 µg/L. TSI 63.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 67µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | 21µg/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. | 63 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Table Rock Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Table Rock Lake typically sits around 81°F at the surface in September. Summer average is about 83°F. Usually warmest in Jul (about 86°F) and coldest in Apr (about 62°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (62°F) to its warmest (86°F).
Typical surface water temperature by month, from 49 field readings (2017–2024) via the EPA Water Quality Portal. See the full Table Rock Lake water temperature breakdown →
Stays via Stay22
Stays near Table Rock Lake
Compare lakeside cabins, hotels, and vacation rentals near Table Rock Lake in Barry 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 readings cover nutrients and algae, not lodging. Cabins and rentals around Table Rock Lake are listed below.
Top-rated places to stay near Table Rock Lake
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Fishing Table Rock Lake
Water Quality Trend: Worsening
Based on 5 years of monitoring (2020–2024).
Water clarity
Worsening5 years
Phosphorus
Worsening+4.45 µg/L/yr5 years
Chlorophyll-a
Worsening+3.8 µg/L/yr5 years
EPA Impairment Status
Table Rock Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit MO_7313.00 · Official waterbody report
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: 2.3 ft visibility. Phosphorus: 67 µg/L. Chlorophyll-a (algae): 21 µg/L.
Is Table Rock Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Table Rock Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Table Rock Lake?
- Table Rock Lake typically sits around 81°F at the surface in September, from 49 EPA Water Quality Portal field readings (2017–2024). That is a typical value for the month, not a live reading.
Explore Table Rock Lake across LakeQuality
Species activity outlook by water temperature and season
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Where to stay at Missouri's top lakes, each with its readings
Missouri's cleanest lakes, ranked on agency measurements
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Eutrophic Lakes in Missouri
Where this data comes from
108 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
UMC108 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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database