Lake D'Arbonne
Union Parish County, Louisiana15,250 acresView mapDirections
LDEQ publishes the water-quality measurements for Lake D'Arbonne. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Lake D'Arbonne in Union Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Phosphorus: 61 µg/L. Surface area: 15250 acres.
Lake D'Arbonne is a 15,250-acre productive, nutrient-rich eutrophic lake in Union Parish County, Louisiana. 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. Methodology: how these readings are compared.
What Lake D'Arbonne is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Big water15,250 acres
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake D'Arbonne is safe to swim in today is a call for the Louisiana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake D'Arbonne
These are the measurements LDEQ publishes for Lake D'Arbonne, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 61 µg/L. TSI 63.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 61µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | No reading 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 D'Arbonne
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
15,250 acres
Public access
Yes
Listed by LDEQ
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 in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays 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 readings cover nutrients and algae, not lodging. Cabins and rentals around Lake D'Arbonne are listed below.
Top-rated places to stay near Lake D'Arbonne
Prices for Oct 9–11, 4 adults. Change dates on the map below.
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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)
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. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Lake D'Arbonne?
- Lake D'Arbonne in Union Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Phosphorus: 61 µg/L. Surface area: 15250 acres.
Is Lake D'Arbonne safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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.
Can I fish at Lake D'Arbonne?
- Lake D'Arbonne has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Louisiana's fish and wildlife agency, so check its current regulations before you go.
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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)
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
Named boat-access points from the USGS National Boat Ramps inventory