Lake D'Arbonne
Lake D'Arbonne in Union Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 61 µg/L. Surface area: 15250 acres.
- Area
- 15,250 acres
- Type
- Eutrophic
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Lake D'Arbonne →
Lake D'Arbonne is a 15,250-acre productive, nutrient-rich eutrophic lake in Union Parish County, Louisiana. Water quality is graded D based on 1 sampling years through 2022. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-09-13. 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: 61 µg/L. Trophic State Index: 63.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 61 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 63 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake D'Arbonne
Compare lakeside cabins, hotels, and vacation rentals near Lake D'Arbonne in Union 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 Lake D'Arbonne are listed below.
Top-rated places to stay near Lake D'Arbonne
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 15,250 acres |
| Public Access | Yes |
No bathymetric survey has been published for Lake D'Arbonne, so its depth is not documented here.
Recreation & Access
- Spillway Ramp - NorthPublic
- Spillway Ramp - SouthPublic
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Lake D'Arbonne
Reservoir Info (USACE NID)
Lake D'Arbonne is a man-made reservoir impounded by the Bayou Darbonne Dam and Reservoir (completed 1961), built primarily for water supply on the Bayou Darbonne; earth-type dam, 54 ft tall and 2,450 ft long.
- Surface area
- 15,250 ac
- Normal storage
- 130,000 ac-ft
- Max storage
- 240,000 ac-ft
- Drainage area
- 1,585 sq mi
- Hazard class
- High
- Owner
- Bayou DArbonne Watershed District
Source: USACE National Inventory of Dams, NID ID LA00015 · Operator website · Matched by proximity (0.02 km)
County Ranking
Ranked #1 of 1 lakes in Union Parish County
Nearby Lakes in Union Parish County
Frequently asked questions about Lake D'Arbonne
Where is Lake D'Arbonne?
- Lake D'Arbonne is a lake in Union 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 Lake D'Arbonne?
- Lake D'Arbonne in Union Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 61 µg/L. Surface area: 15250 acres.
Is Lake D'Arbonne safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Lake D'Arbonne has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Are there boat ramps on Lake D'Arbonne?
- Lake D'Arbonne has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Spillway Ramp - North, Spillway Ramp - South. Public access is listed as yes.
Explore Lake D'Arbonne across LakeGrade
More Louisiana Lake Rankings
Other Grade D Lakes in Louisiana
Ouachita Parish County · Nutrient-rich
Claiborne Parish County · Nutrient-rich
Richland Parish County · Nutrient-rich
Richland Parish County · Nutrient-rich
Franklin Parish County · Nutrient-rich
Catahoula Parish County · Nutrient-rich
Eutrophic Lakes in Louisiana
Where this data comes from
19 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- LDEQ/Water Planning and Assessment (Louisiana)
LADEQWPD_WQX19 samples · 2021–2022
Analytical methods
- Total Phosphorus After Block Digestion
- 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
Named boat-access points from the USGS National Boat Ramps inventory