Lake Taneycomo Nr. Roark Cr. is a cold, clear oligotrophic lake in Taney County, Missouri. Water quality is graded A 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 Nr. Roark Cr. ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Missouri DNR, last sampled 2024-09-16. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 12.6 ft. Phosphorus level: 14.5 µg/L. Chlorophyll-a: 0.9 µg/L. Trophic State Index: 38.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.6 ft | B |
| Phosphorus | 14.5 µg/L | A |
| Chlorophyll-a (Algae) | 0.9 µg/L | A |
| Trophic State Index (TSI) | 38 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lake Taneycomo Nr. Roark Cr.
Compare lakeside cabins, hotels, and vacation rentals near Lake Taneycomo Nr. Roark Cr. 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 Nr. Roark Cr.
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 | ↓ Declining | +0.9 µg/L/yr | 5 |
| Chlorophyll-a | ↑ Improving | -0.58 µg/L/yr | 5 |
Water Temperature
Lake Taneycomo Nr. Roark Cr. averages about 56°F at the surface in summer, usually warmest in Sep (about 61°F) and coldest in Apr (about 50°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 82 field readings (2010–2024) via the EPA Water Quality Portal. See the full Lake Taneycomo Nr. Roark Cr. water temperature breakdown →
Location
County Ranking
Ranked #1 of 11 lakes in Taney County
Nearby Lakes in Taney County
Explore Lake Taneycomo Nr. Roark Cr. across LakeGrade
Species activity outlook by water temperature and season
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Low nutrients, clear water, excellent for swimming
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More records, surveys & data sources
EPA Impairment Status
Lake Taneycomo Nr. Roark Cr. 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 · Matched by proximity (0.41 km)
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Lake Taneycomo Nr. Roark Cr. under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 2 facilities have a reported Clean Water Act violation in the past three years.
- Branson Compton Drive WwtpBranson · 0.5 mi away · NPDES MO0025241MajorRecent violation
- Tcrsd Forest Park Estates WwtfBranson · 3.8 mi away · NPDES MO0114341Recent violation
- Meadow Ridge SubdivisionBranson · 4.4 mi away · NPDES MO0114286
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