Lake Brownwood N End of Dam
Brown County, Texas7,300 acresView mapDirections
TCEQ publishes the water-quality measurements for Lake Brownwood N End of Dam. Here is what has been measured.
- Eutrophic
- 64 ft max depth
- Public access
- Limited data
Lake Brownwood N End of Dam in Brown County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11.4 µg/L. Surface area: 7300 acres.
Lake Brownwood N End of Dam is a 7,300-acre productive, nutrient-rich eutrophic lake in Brown County, Texas with an estimated average depth of about 64 feet. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 6 public boat landings. Compared to the 1 other monitored lakes in Brown County, Lake Brownwood N End of Dam ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2025-08-20. Methodology: how these readings are compared.
What Lake Brownwood N End of Dam is good for
From access and monitoring records, not editorial picks.
- Boat launch6 documented ramps
- Big water7,300 acres
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 Lake Brownwood N End of Dam 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 Brownwood N End of Dam
These are the measurements TCEQ publishes for Lake Brownwood N End of Dam, 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 4.3 ft. Phosphorus 25 µg/L. Chlorophyll-a 11.4 µg/L. TSI 54.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 25µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 11.4µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 54 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Brownwood N End of Dam
Answers come straight from the public measurements and survey records on this page.
→ Lake Brownwood N End of Dam water level: the live USGS gauge reading
Lake Details
Max depth
~64 ft est.
Surface area
7,300 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 Brownwood N End of Dam.
Lake Size & Watershed
Watershed (drainage) area
1,556 sq mi
HydroLAKES / HydroSHEDS
Shoreline
41.8 mi
HydroLAKES / HydroSHEDS
Elevation
1,417 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
- Fabis ParkPublic
- FM 2559 BridgePublic
- Lake Brownwood DamPublic
- Flatrock ParkPublic
- Lake Brownwood State ParkPublic
- Mountain View LaneSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Brownwood N End of Dam
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Fishing Lake Brownwood N End of Dam
Water Quality Trend: Improving
Based on 6 years of monitoring (2020–2025).
Water clarity
Improving6 years
Phosphorus
Worsening+0.58 µg/L/yr3 years
Chlorophyll-a
Improving-1.29 µg/L/yr5 years
Reservoir Info (USACE NID)
Lake Brownwood N End of Dam is a man-made reservoir impounded by the Lake Brownwood Dam (completed 1933), built primarily for water supply on the Pecan Bayou; earth-type dam, 120 ft tall and 1,580 ft long.
- Surface area
- 7,300 ac
- Normal storage
- 131,429 ac-ft
- Max storage
- 1,011,829 ac-ft
- Drainage area
- 1,544 sq mi
- Hazard class
- High
- Owner
- BROWN COUNTY WID 1
All listed purposes: Water Supply;Recreation.
Source: USACE National Inventory of Dams, NID ID TX02789 · Operator website · Matched by proximity (0.21 km)
Nearby Lakes in Brown County
Frequently asked questions about Lake Brownwood N End of Dam
Where is Lake Brownwood N End of Dam?
- Lake Brownwood N End of Dam is a lake in Brown County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Lake Brownwood N End of Dam?
- Lake Brownwood N End of Dam in Brown County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11.4 µg/L. Surface area: 7300 acres.
Is Lake Brownwood N End of Dam safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Brownwood N End of Dam?
- No published bathymetric survey covers Lake Brownwood N End of Dam, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 64 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 7300 acres.
Are there boat ramps on Lake Brownwood N End of Dam?
- Lake Brownwood N End of Dam has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Fabis Park, FM 2559 Bridge, Lake Brownwood Dam, Flatrock Park, among others. Public access is listed as yes.
Can I fish at Lake Brownwood N End of Dam?
- Lake Brownwood N End of Dam has 6 documented boat landings 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.
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Where this data comes from
35 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Texas Commission on Environmental Quality
TCEQMAIN35 samples · 2020–2025
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory