Lake Brownwood N End of Dam
Brown County, Texas7,300 acresView mapDirections
Nutrients and algae sit mid-range for this region.
- Eutrophic
- #1 of 2 in the county
- 64 ft max depth
- Public access
- Limited data
Lake Brownwood N End of Dam in Brown County, Texas has a water quality grade of C (Fair). Water clarity: 4.3 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 11.4 µg/L. Surface area: 7300 acres.
- Clarity
- 4.3 ft
- Max depth
- ~64 ft est.
- Area
- 7,300 acres
- Type
- Eutrophic
- Phosphorus
- 25 µg/L
- Chlorophyll-a
- 11.4 µg/L
- Trend
- ↑ Improving
- Public access
- Yes
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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. Water quality is graded C based on 2 sampling years through 2025. 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. Grade methodology: LakeQuality methodology.
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 Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: C (Fair)
Murky, only visible to about 4.3 ft. Phosphorus 25 µg/L. Chlorophyll-a 11.4 µg/L. TSI 54. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.3 ft | Not graded |
| Phosphorus | 25 µg/L | Good |
| Chlorophyll-a (Algae) | 11.4 µg/L | Fair |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Current Conditions
USGS snapshot Sep 7, 2026, 3:30 PM from gauge 08143000 (Lk Brownwood nr Brownwood, TX). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Lake Brownwood N End of Dam water level: the live USGS gauge reading
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~64 ft est. |
| Surface Area | 7,300 acres |
| Public Access | Yes |
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
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
Fishing Lake Brownwood N End of Dam
Water Quality Trend: ↑ Improving
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.056 m/yr | 6 |
| Phosphorus | ↓ Declining | +0.58 µg/L/yr | 3 |
| Chlorophyll-a | ↑ Improving | -1.29 µg/L/yr | 5 |
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)
County Ranking
Ranked #1 of 2 lakes in Brown County
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. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Brownwood N End of Dam?
- Lake Brownwood N End of Dam in Brown County, Texas has a water quality grade of C (Fair). 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?
- The C is nutrients and algae, 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.
What is the water level at Lake Brownwood N End of Dam?
- The USGS snapshot on this page for Lake Brownwood N End of Dam is 1421.93 ft of water-surface elevation, recorded Sep 7, 2026, 3:30 PM at gauge 08143000. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
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.
Explore Lake Brownwood N End of Dam across LakeQuality
More Texas Lake Rankings
Other Grade C Lakes in Texas
Eutrophic Lakes in Texas
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)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated 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