Lake Daingerfield Headwaters
Morris County, Texas69 acresView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- Impaired · Mercury
- #1 of 1 in the county
- 39 ft max depth
- Limited data
Lake Daingerfield Headwaters in Morris County, Texas has a water quality grade of A (Excellent). Water clarity: 8.5 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 2.9 µg/L. Surface area: 68.9 acres.
- Clarity
- 8.5 ft
- Max depth
- ~39 ft est.
- Area
- 69 acres
- Type
- Mesotrophic
- Phosphorus
- 20 µg/L
- Chlorophyll-a
- 2.9 µg/L
- Trend
- → Stable
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Watch Lake Daingerfield Headwaters’s letter
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Lake Daingerfield Headwaters is a 69-acre mesotrophic lake in Morris County, Texas with an estimated average depth of about 39 feet. Water quality is graded A based on 1 sampling years through 2025. Water clarity is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2025-11-17. Grade methodology: LakeQuality methodology.
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 A is nutrients and algae, not a swimming clearance. Lake Daingerfield Headwaters is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 8.5 ft. Phosphorus 20 µg/L. Chlorophyll-a 2.9 µg/L. TSI 45. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.5 ft | Not graded |
| Phosphorus | 20 µg/L | Not graded |
| Chlorophyll-a (Algae) | 2.9 µg/L | Good |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~39 ft est. |
| Average Depth | ~14 ft est. |
| Surface Area | 69 acres |
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 Daingerfield Headwaters.
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.
Fishing Lake Daingerfield Headwaters
Water Quality Trend: → Stable
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.1 m/yr | 6 |
| Chlorophyll-a | ↓ Declining | +0.27 µg/L/yr | 6 |
Reservoir Info (USACE NID)
Lake Daingerfield Headwaters is a man-made reservoir impounded by the Daingerfield State Park Dam (completed 1935), built primarily for recreation on the Tributary of Brutons Creek; earth-type dam, 38 ft tall and 900 ft long.
- Surface area
- 68.9 ac
- Normal storage
- 510 ac-ft
- Max storage
- 1,100 ac-ft
- Hazard class
- High
- Owner
- TEXAS PARKS AND WILDLIFE DEPARTMENT
Source: USACE National Inventory of Dams, NID ID TX04001 · Operator website · Matched by proximity (0.32 km)
EPA Impairment Status
Lake Daingerfield Headwaters is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit TX-0404N_01 · Official waterbody report · Matched by proximity (0.32 km)
County Ranking
Ranked #1 of 1 lakes in Morris County
Nearby Lakes in Morris County
Frequently asked questions about Lake Daingerfield Headwaters
Where is Lake Daingerfield Headwaters?
- Lake Daingerfield Headwaters is a lake in Morris County, Texas. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Daingerfield Headwaters?
- Lake Daingerfield Headwaters in Morris County, Texas has a water quality grade of A (Excellent). Water clarity: 8.5 ft visibility. Phosphorus: 20 µg/L. Chlorophyll-a (algae): 2.9 µg/L. Surface area: 68.9 acres.
Is Lake Daingerfield Headwaters safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Lake Daingerfield Headwaters is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Lake Daingerfield Headwaters?
- No published bathymetric survey covers Lake Daingerfield Headwaters, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 39 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 68.9 acres.
Explore Lake Daingerfield Headwaters across LakeQuality
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Where this data comes from
44 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
TCEQMAIN44 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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)