Lake Eddleman
Young County, Texas650 acresView mapDirections
TCEQ publishes the water-quality measurements for Lake Eddleman. Here is what has been measured.
- Impaired · Algal growth
- 41 ft max depth
- Public access
- Limited data
Lake Eddleman in Young County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 1.2 ft visibility. Phosphorus: 60 µg/L. Chlorophyll-a (algae): 9 µg/L. Surface area: 650 acres.
Lake Eddleman is a 650-acre lake in Young County, Texas with an estimated average depth of about 41 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled 2025-08-13. Methodology: how these readings are compared.
What Lake Eddleman is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Lake Eddleman is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
Whether Lake Eddleman 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 Eddleman
These are the measurements TCEQ publishes for Lake Eddleman, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 1.2 ft of visibility. Phosphorus 60 µg/L. Chlorophyll-a 9 µg/L. TSI 63.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 60µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 9µg/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. | 63 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Eddleman
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~41 ft est.
Surface area
650 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 Eddleman.
Lake Size & Watershed
Watershed (drainage) area
218 sq mi
HydroLAKES / HydroSHEDS
Shoreline
6 mi
HydroLAKES / HydroSHEDS
Elevation
1,089 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
- Lake EddlemanPublic
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 Eddleman
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Fishing Lake Eddleman
Water Quality Trend: Worsening
Based on 6 years of monitoring (2020–2025).
Water clarity
Worsening6 years
Phosphorus
Worsening+5 µg/L/yr3 years
Chlorophyll-a
Improving-0.98 µg/L/yr5 years
Reservoir Info (USACE NID)
Lake Eddleman is a man-made reservoir impounded by the Eddleman Dam (completed 1929), built primarily for water supply on the Flint Creek; earth-type dam, 57 ft tall and 4,495 ft long.
- Surface area
- 650 ac
- Normal storage
- 13,386 ac-ft
- Max storage
- 35,000 ac-ft
- Drainage area
- 42 sq mi
- Hazard class
- High
- Owner
- CITY OF GRAHAM
All listed purposes: Water Supply;Other.
Source: USACE National Inventory of Dams, NID ID TX03946 · Operator website
EPA Impairment Status
Lake Eddleman is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Other.
Source: EPA ATTAINS assessment unit TX-1231_01 · Official waterbody report
Nearby Lakes in Young County
Frequently asked questions about Lake Eddleman
Where is Lake Eddleman?
- Lake Eddleman is a lake in Young County, Texas. Its water-quality measurements are published by TCEQ and shown on this page as reported.
What is the water quality of Lake Eddleman?
- Lake Eddleman in Young County, Texas has water-quality measurements published by TCEQ, shown here as reported. Water clarity: 1.2 ft visibility. Phosphorus: 60 µg/L. Chlorophyll-a (algae): 9 µg/L. Surface area: 650 acres.
Is Lake Eddleman safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Eddleman is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.
How deep is Lake Eddleman?
- No published bathymetric survey covers Lake Eddleman, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 41 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 650 acres.
Are there boat ramps on Lake Eddleman?
- Lake Eddleman has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Eddleman. Public access is listed as yes.
Can I fish at Lake Eddleman?
- Lake Eddleman 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.
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Where this data comes from
9 measurements from 1 monitoring station, 2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Texas Commission on Environmental Quality
TCEQMAIN9 samples · 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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Named boat-access points from the USGS National Boat Ramps inventory