Lake Saint Catherine
Lake Saint Catherine in Orleans County, Louisiana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 6689 acres.
- Area
- 6,689 acres
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Why Lake Saint Catherine has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lake Saint Catherine, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Saint Catherine is a 6,689-acre lake in Orleans County, Louisiana. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Saint Catherine water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Saint Catherine
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Saint Catherine
Compare lakeside cabins, hotels, and vacation rentals near Lake Saint Catherine in Orleans 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.
Top-rated places to stay near Lake Saint Catherine
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 6,689 acres |
No bathymetric survey has been published for Lake Saint Catherine, so its depth is not documented here.
Recreation & Access
- Island MarinaSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Saint Catherine
Nearby Lakes in Orleans County
Frequently asked questions about Lake Saint Catherine
Where is Lake Saint Catherine?
- Lake Saint Catherine is a lake in Orleans County, Louisiana. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Saint Catherine?
- Lake Saint Catherine in Orleans County, Louisiana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 6689 acres.
Is Lake Saint Catherine safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Saint Catherine is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lake Saint Catherine?
- Lake Saint Catherine has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Island Marina.
Explore Lake Saint Catherine across LakeQuality
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Where this data comes from
Measurements for Lake Saint Catherine come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory