Walter E Long Lake Western Arm is a productive, nutrient-rich eutrophic lake in Travis County, Texas. Water quality is graded C based on 2 sampling years through 2024. Compared to the 2 other monitored lakes in Travis County, Walter E Long Lake Western Arm ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Texas DNR, last sampled 2024-07-31. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 4.9 ft. Phosphorus level: 30 µg/L. Chlorophyll-a: 17.4 µg/L. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.9 ft | D |
| Phosphorus | 30 µg/L | C |
| Chlorophyll-a (Algae) | 17.4 µg/L | C |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Walter E Long Lake Western Arm
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Fishing Walter E Long Lake Western Arm
Location
County Ranking
Ranked #3 of 3 lakes in Travis County
Cleaner Lakes Within 30 Miles
Walter E Long Lake Western Arm holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Travis County
Explore Walter E Long Lake Western Arm across LakeGrade
More Texas Lake Rankings
Other Grade C Lakes in Texas
Eutrophic 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: 2024-07-31
Monitoring stations: 1