Bayou Des Mats
Bayou Des Mats in St. Tammany County, Louisiana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1614 acres.
- Area
- 1,614 acres
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Why Bayou Des Mats 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 Bayou Des Mats, 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.
Bayou Des Mats is a 1,614-acre lake in St. Tammany County, Louisiana.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
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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 Bayou Des Mats
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 Bayou Des Mats
Compare lakeside cabins, hotels, and vacation rentals near Bayou Des Mats in St. Tammany 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 Bayou Des Mats
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,614 acres |
No bathymetric survey has been published for Bayou Des Mats, so its depth is not documented here.
Fishing Bayou Des Mats
Nearby Lakes in St. Tammany County
Frequently asked questions about Bayou Des Mats
Where is Bayou Des Mats?
- Bayou Des Mats is a lake in St. Tammany 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 Bayou Des Mats?
- Bayou Des Mats in St. Tammany County, Louisiana is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1614 acres.
Is Bayou Des Mats safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Bayou Des Mats is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Bayou Des Mats across LakeQuality
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Where this data comes from
Measurements for Bayou Des Mats come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.