Lake Taneycomo
Taney County, MissouriView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from F at the last regrade
- Mesotrophic
- Impaired · Nutrients (phosphorus, nitrogen)
- #7 of 9 in the county
Lake Taneycomo in Taney County, Missouri has a water quality grade of A (Excellent). Water clarity: 3.3 ft visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 3.2 µg/L.
- Clarity
- 3.3 ft
- Typical in August
- 58°F
- Type
- Mesotrophic
- Phosphorus
- 18 µg/L
- Chlorophyll-a
- 3.2 µg/L
- Trend
- ↑ Improving
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Watch Lake Taneycomo’s letter
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Lake Taneycomo is a mesotrophic 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 #7 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-16. Grade methodology: LakeQuality methodology.
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)
Very murky, less than 3.3 ft of visibility. Phosphorus 18 µg/L. Chlorophyll-a 3.2 µg/L. TSI 49. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.3 ft | Not graded |
| Phosphorus | 18 µg/L | Good |
| Chlorophyll-a (Algae) | 3.2 µg/L | Good |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Water Temperature
Lake Taneycomo typically sits around 58°F at the surface in August. Summer average is about 54°F. Usually warmest in Aug (about 58°F) and coldest in Mar (about 46°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 71 field readings (2010–2023) via the EPA Water Quality Portal. See the full Lake Taneycomo water temperature breakdown →
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 |
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
County Ranking
Ranked #7 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: 3.3 ft visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 3.2 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 58°F at the surface in August, from 71 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.
Explore Lake Taneycomo across LakeQuality
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Where this data comes from
35 measurements from 1 monitoring station, 2023–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Univ. of Missouri, Columbia
UMC35 samples · 2023–2024
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