Lake Georgetown
Williamson County, Texas1,310 acresView mapDirections
TCEQ publishes the water-quality measurements for Lake Georgetown. Here is what has been measured.
- 82 ft max depth
- Public access
- Limited data
Lake Georgetown in Williamson County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 9.4 µg/L. Surface area: 1310 acres.
Lake Georgetown is a 1,310-acre lake in Williamson County, Texas with an estimated average depth of about 82 feet. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2026-05-20. Methodology: how these readings are compared.
Lake Georgetown covers about 1,300 acres in Williamson County. It has one public boat landing. Vrbo is where to look for cabins and lake homes around Lake Georgetown, and Booking.com and Expedia search hotels near the lake for your dates.
What Lake Georgetown is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Camping1 public campground nearby
- Big water1,310 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Georgetown 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 Lake Georgetown
These are the measurements TCEQ publishes for Lake Georgetown, 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 5.6 ft. Phosphorus 20 µg/L. Chlorophyll-a 9.4 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 5.6ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 20µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 9.4µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Georgetown
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~82 ft est.
Surface area
1,310 acres
Public access
Yes
Listed by TCEQ
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Texas has not published bathymetry for Lake Georgetown.
Lake Size & Watershed
Watershed (drainage) area
248 sq mi
HydroLAKES / HydroSHEDS
Shoreline
10.9 mi
HydroLAKES / HydroSHEDS
Elevation
787 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Recreation & Access
- Russell ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Public campgrounds near Lake Georgetown
- Russell Park1.2 kmReserve
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Lake Georgetown
Compare lakeside cabins, hotels, and vacation rentals near Lake Georgetown in Williamson 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.
Top-rated places to stay near Lake Georgetown
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Fishing Lake Georgetown
Reservoir Info (USACE NID)
Lake Georgetown is a man-made reservoir impounded by the North San Gabriel Dam (completed 1980), built primarily for flood risk reduction on the North Fork San Gabriel River; earth-type dam, 162 ft tall and 6,650 ft long.
- Surface area
- 1,310 ac
- Normal storage
- 37,100 ac-ft
- Max storage
- 236,500 ac-ft
- Drainage area
- 246 sq mi
- Hazard class
- High
- Owner
- USACE - Fort Worth District
All listed purposes: Flood Risk Reduction;Fish and Wildlife Pond;Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID TX08006 · Operator website
Nearby Lakes in Williamson County
Frequently asked questions about Lake Georgetown
Where is Lake Georgetown?
- Lake Georgetown is a lake in Williamson County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Lake Georgetown?
- Lake Georgetown in Williamson County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 5.6 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 9.4 µg/L. Surface area: 1310 acres.
Is Lake Georgetown safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Georgetown?
- No published bathymetric survey covers Lake Georgetown, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 82 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 1310 acres.
Are there boat ramps on Lake Georgetown?
- Lake Georgetown has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Russell Park. Public access is listed as yes.
Can I fish at Lake Georgetown?
- Lake Georgetown 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.
Are there campgrounds on Lake Georgetown?
- Lake Georgetown has 1 public campground from USGS The National Map within 5 km, including Russell Park. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
24 measurements from 2 monitoring stations, 2024–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Texas Commission on Environmental Quality
TCEQMAIN24 samples · 2024–2026
Monitoring station identifiers (2)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory
Public campgrounds from USGS The National Map Structures, within about 3 miles