What is the water quality grade for Table Rock Lake?

Table Rock Lake in Stone County, Missouri received a water quality grade of B (Good). Water clarity: 4.9 ft visibility. Phosphorus: 9.8 µg/L. Chlorophyll-a (algae): 5.3 µg/L.

Is Table Rock Lake safe to swim in?

Good for swimming, clear water with low algae levels. Table Rock Lake has an overall water quality grade of B. Algae concentration (chlorophyll-a) is 5.3 µg/L. Always check local health department advisories before swimming.

Stone County, Missouri · 36.63°N

Table Rock Lake

Grade BGood · 4.9 ft clarity

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Mesotrophic

Table Rock Lake is a mesotrophic lake in Stone County, Missouri. Water quality is graded B based on 3 sampling years through 2024. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 15 other monitored lakes in Stone County, Table Rock Lake ranks #11 for water quality.

Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-17. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

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Water Quality Grade: B, Good

Murky, only visible to about 4.9 ft. Phosphorus level: 9.8 µg/L. Chlorophyll-a: 5.3 µg/L. Trophic State Index: 46.

Metric	Value	Grade
Water Clarity (Secchi Depth)	4.9 ft	D
Phosphorus	9.8 µg/L	A
Chlorophyll-a (Algae)	5.3 µg/L	B
Trophic State Index (TSI)	46	Mesotrophic

Moderate nutrients, good water quality

Where to stay near Table Rock Lake

Compare lakeside cabins, hotels, and vacation rentals near Table Rock Lake in Stone 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.

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Fishing Table Rock Lake

→ Table Rock Lake fishing regulations (limits, seasons, special rules)

Water Quality Trend: ↓ Declining

Based on 3 years of monitoring data (2020-2025).

Metric	Trend	Change/Year	Years
Water Clarity	↓ Declining	-0.19 m/yr	3
Phosphorus	→ Stable	+0.1 µg/L/yr	3
Chlorophyll-a	↓ Declining	+0.45 µg/L/yr	2

Recreation & Access

Boat Landings

Yes

Public Access

Water Temperature

Table Rock Lake averages about 84°F at the surface in summer, usually warmest in Jul (about 86°F) and coldest in Apr (about 54°F). These are typical values by month — not a live reading.