Walter E Long Lake Western Arm
Travis County, TexasView mapDirections
TCEQ publishes the water-quality measurements for Walter E Long Lake Western Arm. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Walter E Long Lake Western Arm in Travis County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 4.9 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 17.4 µg/L.
Walter E Long Lake Western Arm is a productive, nutrient-rich eutrophic lake in Travis County, Texas. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. 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, TCEQ, last sampled 2024-07-31. Methodology: how these readings are compared.
What Walter E Long Lake Western Arm is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Walter E Long Lake Western Arm is safe to swim in today is a call for the Texas Commission on Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Walter E Long Lake Western Arm
These are the measurements TCEQ publishes for Walter E Long Lake Western Arm, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.9 ft. Phosphorus 30 µg/L. Chlorophyll-a 17.4 µg/L. TSI 55.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.9ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 30µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 17.4µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 55 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Walter E Long Lake Western Arm
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
- Walter E. Long Municipal ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Walter E Long Lake Western Arm
Compare lakeside cabins, hotels, and vacation rentals near Walter E Long Lake Western Arm in Travis County, Texas — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Walter E Long Lake Western Arm are listed below.
Top-rated places to stay near Walter E Long Lake Western Arm
Prices for Oct 23–25, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Texas’s top lakes →
Follow Walter E Long Lake Western Arm’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Walter E Long Lake Western Arm
Water Quality Trend: Improving
Based on 4 years of monitoring (2021–2024).
Water clarity
Worsening4 years
Phosphorus
Improving-6.43 µg/L/yr3 years
Chlorophyll-a
Improving-3.36 µg/L/yr4 years
Nearby Lakes in Travis County
Frequently asked questions about Walter E Long Lake Western Arm
Where is Walter E Long Lake Western Arm?
- Walter E Long Lake Western Arm is a lake in Travis County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Walter E Long Lake Western Arm?
- Walter E Long Lake Western Arm in Travis County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 4.9 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 17.4 µg/L.
Is Walter E Long Lake Western Arm safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Walter E Long Lake Western Arm?
- Walter E Long Lake Western Arm has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Walter E. Long Municipal Park. Public access is listed as yes.
Can I fish at Walter E Long Lake Western Arm?
- Walter E Long Lake Western Arm has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Texas's fish and wildlife agency, so check its current regulations before you go.
Explore Walter E Long Lake Western Arm across LakeQuality
9.8 mi away · 15 ft
10.4 mi away · cable-pulled, no boat wake
Species activity outlook by water temperature and season
Where to stay at Texas's top lakes, each with its readings
Texas's cleanest lakes, ranked on agency measurements
More lakes in Texas
Other Lakes in Texas
Eutrophic Lakes in Texas
Where this data comes from
24 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Texas Commission on Environmental Quality
TCEQMAIN24 samples · 2020–2024
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory