Lake Taneycomo
Taney County, MissouriView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from B at the last regrade
- Oligotrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- #4 of 9 in the county
Lake Taneycomo in Taney County, Missouri has a water quality grade of A (Excellent). Water clarity: 12.6 ft visibility. Phosphorus: 14.5 µg/L. Chlorophyll-a (algae): 0.9 µg/L.
- Clarity
- 12.6 ft
- Typical in September
- 73°F
- Type
- Oligotrophic
- Trend
- ↑ Improving
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Watch Lake Taneycomo’s letter
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Lake Taneycomo is a cold, clear oligotrophic lake in Taney County, Missouri. Water quality is graded A based on 2 sampling years through 2024. Overall water quality is improving over recent sampling years. Compared to the 8 other monitored lakes in Taney County, Lake Taneycomo ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-16. Grade methodology: LakeQuality methodology.
What Lake Taneycomo is good for
From access and monitoring records, not editorial picks.
- Clear water12.6 ft of visibility
Swimming Safety
Grade onlyLow algae
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 A is nutrients and algae, not a swimming clearance. Lake Taneycomo is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Good clarity, visible to about 12.6 ft. Phosphorus 14.5 µg/L. Chlorophyll-a 0.9 µg/L. TSI 38. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.6 ft | Not graded |
| Phosphorus | 14.5 µg/L | Good |
| Chlorophyll-a (Algae) | 0.9 µg/L | Good |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Water Temperature
Lake Taneycomo typically sits around 73°F at the surface in September. Summer average is about 78°F. 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.
Fishing Lake Taneycomo
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.153 m/yr | 5 |
| Phosphorus | ↑ Improving | -0.48 µg/L/yr | 5 |
| Chlorophyll-a | ↑ Improving | -0.58 µg/L/yr | 5 |
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.
County Ranking
Ranked #4 of 9 lakes in Taney County
Nearby Lakes in Taney County
Frequently asked questions about Lake Taneycomo
Where is Lake Taneycomo?
- Lake Taneycomo is a lake in Taney County, Missouri. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Taneycomo?
- Lake Taneycomo in Taney County, Missouri has a water quality grade of A (Excellent). Water clarity: 12.6 ft visibility. Phosphorus: 14.5 µg/L. Chlorophyll-a (algae): 0.9 µg/L.
Is Lake Taneycomo safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Lake Taneycomo is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
What is the water temperature of Lake Taneycomo?
- Lake Taneycomo typically sits around 73°F at the surface in September, from 15 EPA Water Quality Portal field readings (2023–2024). That is a typical value for the month, not a live reading.
Explore Lake Taneycomo 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 grade
Low nutrients, clear water. The letter is not a swimming clearance.
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Other Grade A Lakes in Missouri
Oligotrophic Lakes in Missouri
Where this data comes from
77 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
UMC77 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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)