Lake Taneycomo is a mesotrophic lake in Taney County, Missouri. Water quality is graded B based on 3 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 10 other monitored lakes in Taney County, Lake Taneycomo ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-16. Grade methodology: LakeGrade methodology.
Watch Lake Taneycomo water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Very murky, less than 3.3 ft of visibility. Phosphorus level: 18 µg/L. Chlorophyll-a: 3.2 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | F |
| Phosphorus | 18 µg/L | A |
| Chlorophyll-a (Algae) | 3.2 µg/L | A |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lake Taneycomo
Compare lakeside cabins, hotels, and vacation rentals near Lake Taneycomo in Taney 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 Lake Taneycomo
Water Quality Trend: ↑ Improving
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -9.1 µg/L/yr | 2 |
| Chlorophyll-a | ↑ Improving | -2.8 µg/L/yr | 2 |
Water Temperature
Lake Taneycomo averages about 78°F at the surface in summer, usually warmest in Jul (about 81°F) and coldest in May (about 68°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 15 field readings (2023–2024) via the EPA Water Quality Portal.
Location
County Ranking
Ranked #10 of 11 lakes in Taney County
Cleaner Lakes Within 30 Miles
Lake Taneycomo holds Grade B. 5 nearby lakes hold higher grades.
- ALake Taneycomo Ab. Bee Cr. ArmTaney County · 2.1 mi · Higher grade (B → A)
- ALake Taneycomo Nr. Roark Cr.Taney County · 3.7 mi · Higher grade (B → A)
- ALake Taneycomo @ Shepherd of the Hills FhTaney County · 9.3 mi · Higher grade (B → A)
- BLake Taneycomo @ Rockaway BeachTaney County · 1.8 mi · Higher overall water quality score
- BLake TaneycomoTaney County · 4.9 mi · Higher overall water quality score
Nearby Lakes in Taney County
Explore Lake Taneycomo across LakeGrade
Species activity outlook by water temperature and season
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Where to stay at Missouri's top lakes, each with its grade
Moderate nutrients, good water quality
Missouri's cleanest and most-polluted lakes, ranked
More Missouri Lake Rankings
Other Grade B Lakes in Missouri
Stone County · Clarity: 7.2 ft
Stone County · Clarity: 6.9 ft
Stone County · Clarity: 7.3 ft
Stone County · Clarity: 4.3 ft
Stone County · Clarity: 7.9 ft
Stone County · Clarity: 6 ft
Mesotrophic Lakes in Missouri
More records, surveys & data sources
EPA Impairment Status
Lake Taneycomo is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MO_7314.00 · Official waterbody report
Regulated Pollution Sources Nearby
9 EPA-permitted facilities operate within about 5 miles of Lake Taneycomo under Clean Water Act (NPDES) discharge permits. 5 facilities have a reported Clean Water Act violation in the past three years.
- Branson View Estates Mhp WwtpBranson · 1 mi away · NPDES MO0115550Recent violation
- Savannah Heights WwtfBranson · 1 mi away · NPDES MO0116564Recent violation
- Oak Hills CampgroundBranson · 2.8 mi away · NPDES MO0115754Recent violation
- Emory Creek Ranch WwtpBranson · 4.3 mi away · NPDES MO0134791Recent violation
- Oak Brook Estates WwtpWalnut Shade · 4.5 mi away · NPDES MO0132527Recent violation
- Underhill Heights WwtpBranson · 2.6 mi away · NPDES MO0135003
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.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-16
Monitoring stations: 1