Canyon Lake Mid Lake is a mesotrophic lake in Comal County, Texas. Water quality is graded A based on 1 sampling years through 2026. Compared to the 2 other monitored lakes in Comal County, Canyon Lake Mid Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2026-04-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Murky, only visible to about 4.6 ft. Chlorophyll-a: 1.9 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.6 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 1.9 µg/L | A |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Canyon Lake Mid Lake
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Fishing Canyon Lake Mid Lake
Location
County Ranking
Ranked #2 of 3 lakes in Comal County
Nearby Lakes in Comal County
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More Texas Lake Rankings
Other Grade A Lakes in Texas
Mesotrophic Lakes in Texas
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2026-04-01
Monitoring stations: 1