Table Rock Lake
Barry County, MissouriView mapDirections
Nutrients and algae run above the regional average.
- Eutrophic
- #8 of 9 in the county
Table Rock Lake in Barry County, Missouri has a water quality grade of D (Nutrient-rich). Water clarity: 2.3 ft visibility. Phosphorus: 67 µg/L. Chlorophyll-a (algae): 21 µg/L.
- Clarity
- 2.3 ft
- Typical in September
- 81°F
- Type
- Eutrophic
- Phosphorus
- 67 µg/L
- Chlorophyll-a
- 21 µg/L
- Trend
- ↓ Declining
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 grade measures nutrients and algae, not lodging — cabins and rentals around Table Rock Lake are listed below.
Top-rated places to stay near Table Rock Lake
Prices for Sep 11–13, 4 adults. Change dates on the map below.
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Table Rock Lake is a productive, nutrient-rich eutrophic lake in Barry County, Missouri. Water quality is graded D based on 2 sampling years through 2024. 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. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyAlgae risk
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 D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 2.3 ft of visibility. Phosphorus 67 µg/L. Chlorophyll-a 21 µg/L. TSI 63. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.3 ft | Not graded |
| Phosphorus | 67 µg/L | Poor |
| Chlorophyll-a (Algae) | 21 µg/L | Poor |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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.
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 →
Fishing Table Rock Lake
Water Quality Trend: ↓ Declining
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.125 m/yr | 5 |
| Phosphorus | ↓ Declining | +4.45 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +3.8 µg/L/yr | 5 |
County Ranking
Ranked #8 of 9 lakes in Barry County
Nearby Lakes With Higher Grades
Table Rock Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
See full comparison →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. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Table Rock Lake?
- Table Rock Lake in Barry County, Missouri has a water quality grade of D (Nutrient-rich). Water clarity: 2.3 ft visibility. Phosphorus: 67 µg/L. Chlorophyll-a (algae): 21 µg/L.
Is Table Rock Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. 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 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)
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.