Catahoula Lake East of Big Point
Catahoula Lake East of Big Point in LaSalle Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 170 µg/L.
- Type
- Hypereutrophic
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Catahoula Lake East of Big Point →
Catahoula Lake East of Big Point is a highly nutrient-loaded hypereutrophic lake in LaSalle Parish County, Louisiana. Water quality is graded D based on 1 sampling years through 2024. Limited fish-species data available. Public access is available with 2 public boat landings. Compared to the 1 other monitored lakes in LaSalle Parish County, Catahoula Lake East of Big Point ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-10-08. Grade methodology: LakeGrade methodology.
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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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus level: 170 µg/L. Trophic State Index: 78.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 170 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 78 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Catahoula Lake East of Big Point
Compare lakeside cabins, hotels, and vacation rentals near Catahoula Lake East of Big Point in LaSalle Parish County, Louisiana — 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Catahoula Lake East of Big Point are listed below.
Top-rated places to stay near Catahoula Lake East of Big Point
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Recreation & Access
- Catahoula Lake DamPublic
- French Fork LandingPublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Catahoula Lake East of Big Point
EPA Impairment Status
Catahoula Lake East of Big Point is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit LA081605_00 · Official waterbody report · Matched by proximity (0.01 km)
County Ranking
Ranked #2 of 2 lakes in LaSalle Parish County
Nearby Lakes in LaSalle Parish County
Frequently asked questions about Catahoula Lake East of Big Point
Where is Catahoula Lake East of Big Point?
- Catahoula Lake East of Big Point is a lake in LaSalle Parish County, Louisiana. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Catahoula Lake East of Big Point?
- Catahoula Lake East of Big Point in LaSalle Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 170 µg/L.
Is Catahoula Lake East of Big Point safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Catahoula Lake East of Big Point has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Are there boat ramps on Catahoula Lake East of Big Point?
- Catahoula Lake East of Big Point has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Catahoula Lake Dam, French Fork Landing. Public access is listed as yes.
Explore Catahoula Lake East of Big Point across LakeGrade
More Louisiana Lake Rankings
Other Grade D Lakes in Louisiana
Catahoula Parish County · Nutrient-rich
Catahoula Parish County · Nutrient-rich
Franklin Parish County · Nutrient-rich
Concordia Parish County · Nutrient-rich
Grant Parish County · Nutrient-rich
Concordia Parish County · Nutrient-rich
Hypereutrophic Lakes in Louisiana
Where this data comes from
30 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- LDEQ/Water Planning and Assessment (Louisiana)
LADEQWPD_WQX30 samples · 2020–2024
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- Total Phosphorus After Block Digestion
- Turbidity by Nephelometry
- 2130 B ~ Nephelometric Method
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
Named boat-access points from the USGS National Boat Ramps inventory