New Canal Lighthouse Lake
Orleans Parish County, LouisianaView mapDirections
LDEQ publishes the water-quality measurements for New Canal Lighthouse Lake. Here is what has been measured.
- Mesotrophic
- Public access
New Canal Lighthouse Lake in Orleans Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Chlorophyll-a (algae): 2.6 µg/L.
New Canal Lighthouse Lake is a mesotrophic lake in Orleans Parish County, Louisiana. Limited fish-species data available. Public access is available. Compared to the 1 other monitored lakes in Orleans Parish County, New Canal Lighthouse Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-10-11. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
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 New Canal Lighthouse Lake 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 New Canal Lighthouse Lake
These are the measurements LDEQ publishes for New Canal Lighthouse Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 2.6 µg/L. TSI 40.
| 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 | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 2.6µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 40 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Fishing New Canal Lighthouse Lake
Nearby Lakes in Orleans Parish County
Frequently asked questions about New Canal Lighthouse Lake
Where is New Canal Lighthouse Lake?
- New Canal Lighthouse Lake is a lake in Orleans Parish County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of New Canal Lighthouse Lake?
- New Canal Lighthouse Lake in Orleans Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Chlorophyll-a (algae): 2.6 µg/L.
Is New Canal Lighthouse Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at New Canal Lighthouse Lake?
- Public access to New Canal Lighthouse Lake is listed as yes on the lake record. 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
43 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- USGS Louisiana Water Science Center
USGS-LA43 samples · 2020–2022
Analytical methods
- YSI EXO, 470/685/40,S bacillaris
- Plant pigments, sonication & 445
- YSI EXO turbidity sensor, FNU
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.