Lake Maurepas North-Northeast of Laplace
Lake Maurepas North-Northeast of Laplace in St. John the Baptist Parish County, Louisiana is not rated for water quality — its monitoring record does not meet the evidence bar.
Why Lake Maurepas North-Northeast of Laplace has no grade
We grade a lake only when its monitoring record clears the evidence bar: 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 Maurepas North-Northeast of Laplace, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
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 Maurepas North-Northeast of Laplace is a lake in St. John the Baptist Parish County, Louisiana.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-05-04. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not ratedLimited data
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Maurepas North-Northeast of Laplace
These readings exist but do not meet the evidence bar for an A–F grade — see why.
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Where to stay near Lake Maurepas North-Northeast of Laplace
Compare lakeside cabins, hotels, and vacation rentals near Lake Maurepas North-Northeast of Laplace in St. John the Baptist 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.
Top-rated places to stay near Lake Maurepas North-Northeast of Laplace
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Fishing Lake Maurepas North-Northeast of Laplace
Nearby Lakes in St. John the Baptist Parish County
Frequently asked questions about Lake Maurepas North-Northeast of Laplace
Where is Lake Maurepas North-Northeast of Laplace?
- Lake Maurepas North-Northeast of Laplace is a lake in St. John the Baptist Parish County, Louisiana. LakeQuality has not rated this lake (UNRATED) — there is not enough recent sampling to assign a letter.
What is the water quality grade for Lake Maurepas North-Northeast of Laplace?
- Lake Maurepas North-Northeast of Laplace in St. John the Baptist Parish County, Louisiana is not rated for water quality — its monitoring record does not meet the evidence bar.
Is Lake Maurepas North-Northeast of Laplace safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Maurepas North-Northeast of Laplace is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Lake Maurepas North-Northeast of Laplace across LakeGrade
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Where this data comes from
22 measurements from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- LDEQ/Water Planning and Assessment (Louisiana)
LADEQWPD_WQX22 samples · 2022
Analytical methods
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Multiple Analytical Methods: Analysis for Total Nutrient using Louisiana Department of Environmental Quality specific me
- 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.