Lake Verret Southwest of Napoleonville
Lake Verret Southwest of Napoleonville in Assumption Parish County, Louisiana has a water quality grade of F (Algae-prone). Chlorophyll-a (algae): 36.7 µg/L.
- Type
- Hypereutrophic
Grade F measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Lake Verret Southwest of Napoleonville →
Lake Verret Southwest of Napoleonville is a highly nutrient-loaded hypereutrophic lake in Assumption Parish County, Louisiana. Water quality is graded F based on 1 sampling years through 2021. Public access is available with 2 public boat landings. Compared to the 20 other monitored lakes in Assumption Parish County, Lake Verret Southwest of Napoleonville ranks #12 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-07-29. Grade methodology: LakeGrade methodology.
Watch Lake Verret Southwest of Napoleonville water quality
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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.
Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom
Water Quality Grade: F (Algae-prone)
No clarity data. Chlorophyll-a: 36.7 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | 36.7 µg/L | Poor |
| Trophic State Index (TSI) | 66 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Lake Verret Southwest of Napoleonville
Compare lakeside cabins, hotels, and vacation rentals near Lake Verret Southwest of Napoleonville in Assumption 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 Verret Southwest of Napoleonville are listed below.
Top-rated places to stay near Lake Verret Southwest of Napoleonville
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Recreation & Access
- Adam's LandingSemi-private
- Adam's LandingSemi-private
Named access points from the USGS National Boat Ramps inventory, snapped within 5 km. More lakes with boat ramps
Fishing Lake Verret Southwest of Napoleonville
EPA Impairment Status
Lake Verret Southwest of Napoleonville 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 LA010502_00 · Official waterbody report · Matched by proximity (2.72 km)
County Ranking
Ranked #12 of 21 lakes in Assumption Parish County
Nearby Lakes in Assumption Parish County
Frequently asked questions about Lake Verret Southwest of Napoleonville
Where is Lake Verret Southwest of Napoleonville?
- Lake Verret Southwest of Napoleonville is a lake in Assumption Parish County, Louisiana. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Verret Southwest of Napoleonville?
- Lake Verret Southwest of Napoleonville in Assumption Parish County, Louisiana has a water quality grade of F (Algae-prone). Chlorophyll-a (algae): 36.7 µg/L.
Is Lake Verret Southwest of Napoleonville safe to swim in?
- Algae and nutrients are often high — check current advisories before swimming. Skip the water if you see scum or a paint-like bloom. Lake Verret Southwest of Napoleonville has a water quality grade of F (Algae-prone). Algae concentration (chlorophyll-a) is 36.7 µg/L. Always check local health department advisories before swimming.
Are there boat ramps on Lake Verret Southwest of Napoleonville?
- Lake Verret Southwest of Napoleonville has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Adam's Landing, Adam's Landing.
Explore Lake Verret Southwest of Napoleonville across LakeGrade
More Louisiana Lake Rankings
Other Grade F Lakes in Louisiana
St. Martin Parish County · Algae-prone
St. Martin Parish County · Algae-prone
St. Martin Parish County · Algae-prone
St. Mary Parish County · Algae-prone
St. Mary Parish County · Algae-prone
St. Mary Parish County · Algae-prone
Hypereutrophic Lakes in Louisiana
Where this data comes from
6 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- LDEQ/Water Planning and Assessment (Louisiana)
LADEQWPD_WQX6 samples · 2021
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
Named boat-access points from the USGS National Boat Ramps inventory