Lake Maurepas Southeast of Maurepas
Lake Maurepas Southeast of Maurepas in Livingston Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 170 µg/L.
- Type
- Hypereutrophic
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Lake Maurepas Southeast of Maurepas →
Lake Maurepas Southeast of Maurepas is a highly nutrient-loaded hypereutrophic lake in Livingston Parish County, Louisiana. Water quality is graded D based on 1 sampling years through 2022. Compared to the 10 other monitored lakes in Livingston Parish County, Lake Maurepas Southeast of Maurepas ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-09-13. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus level: 170 µg/L. Trophic State Index: 78.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 170 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 78 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Lake Maurepas Southeast of Maurepas
Compare lakeside cabins, hotels, and vacation rentals near Lake Maurepas Southeast of Maurepas in Livingston 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 grade measures nutrients and algae, not lodging — cabins and rentals around Lake Maurepas Southeast of Maurepas are listed below.
Top-rated places to stay near Lake Maurepas Southeast of Maurepas
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Fishing Lake Maurepas Southeast of Maurepas
EPA Impairment Status
Lake Maurepas Southeast of Maurepas is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit LA040602_00 · Official waterbody report · Matched by proximity (0 km)
County Ranking
Ranked #11 of 11 lakes in Livingston Parish County
Nearby Lakes in Livingston Parish County
Frequently asked questions about Lake Maurepas Southeast of Maurepas
Where is Lake Maurepas Southeast of Maurepas?
- Lake Maurepas Southeast of Maurepas is a lake in Livingston Parish County, Louisiana. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Maurepas Southeast of Maurepas?
- Lake Maurepas Southeast of Maurepas in Livingston Parish County, Louisiana has a water quality grade of D (Nutrient-rich). Phosphorus: 170 µg/L.
Is Lake Maurepas Southeast of Maurepas safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Lake Maurepas Southeast of Maurepas has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
Explore Lake Maurepas Southeast of Maurepas across LakeGrade
More Louisiana Lake Rankings
Other Grade D Lakes in Louisiana
Jefferson Parish County · Nutrient-rich
Lafourche Parish County · Nutrient-rich
Assumption Parish County · Nutrient-rich
East Baton Rouge Parish County · Nutrient-rich
St. Mary Parish County · Nutrient-rich
Terrebonne Parish County · Nutrient-rich
Hypereutrophic Lakes in Louisiana
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)
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database