Lake Verret South of Napoleonville
Assumption Parish County, LouisianaView mapDirections
This is the name LDEQ records for this water. It can describe one sampling location rather than the water as a whole.
LDEQ publishes the water-quality measurements for Lake Verret South of Napoleonville. Here is what has been measured.
- Hypereutrophic
- Limited data
Lake Verret South of Napoleonville in Assumption Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Phosphorus: 270 µg/L. Chlorophyll-a (algae): 41.5 µg/L.
Lake Verret South of Napoleonville is a highly nutrient-loaded hypereutrophic lake in Assumption Parish County, Louisiana. Compared to the 20 other monitored lakes in Assumption Parish County, Lake Verret South of Napoleonville ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-07-29. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Verret South of Napoleonville is safe to swim in today is a call for the Louisiana Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Verret South of Napoleonville
These are the measurements LDEQ publishes for Lake Verret South of Napoleonville, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 270 µg/L. Chlorophyll-a 41.5 µg/L. TSI 76.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 270µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 41.5µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 76 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Lake Verret South of Napoleonville
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Lake Verret South of Napoleonville
Compare lakeside cabins, hotels, and vacation rentals near Lake Verret South 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 readings cover nutrients and algae, not lodging. Cabins and rentals around Lake Verret South of Napoleonville are listed below.
Top-rated places to stay near Lake Verret South of Napoleonville
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Lake Verret South of Napoleonville’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Lake Verret South of Napoleonville
Nearby Lakes in Assumption Parish County
Frequently asked questions about Lake Verret South of Napoleonville
Where is Lake Verret South of Napoleonville?
- Lake Verret South of Napoleonville is in Assumption Parish County, Louisiana. This is the name LDEQ records for this water. It can describe one sampling location rather than the water as a whole. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Lake Verret South of Napoleonville?
- Lake Verret South of Napoleonville in Assumption Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Phosphorus: 270 µg/L. Chlorophyll-a (algae): 41.5 µg/L.
Is Lake Verret South of Napoleonville safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake Verret South of Napoleonville across LakeQuality
More lakes in Louisiana
Other Lakes in Louisiana
St. Martin Parish County · Measured
St. Martin Parish County · Measured
St. Martin Parish County · Measured
St. Martin Parish County · Measured
St. Martin Parish County · Measured
St. Mary Parish County · Measured
Hypereutrophic Lakes in Louisiana
Where this data comes from
14 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_WQX14 samples · 2021
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)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.