Lake Maurepas South-Southeast of Killian
Livingston 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 Maurepas South-Southeast of Killian. Here is what has been measured.
- Eutrophic
- Limited data
Lake Maurepas South-Southeast of Killian in Livingston Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Chlorophyll-a (algae): 23.7 µg/L.
Lake Maurepas South-Southeast of Killian is a productive, nutrient-rich eutrophic lake in Livingston Parish County, Louisiana. Compared to the 10 other monitored lakes in Livingston Parish County, Lake Maurepas South-Southeast of Killian ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-07-15. 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 Maurepas South-Southeast of Killian 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 Maurepas South-Southeast of Killian
These are the measurements LDEQ publishes for Lake Maurepas South-Southeast of Killian, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 23.7 µg/L. TSI 62.
| 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 | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 23.7µg/L | Fair GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 62 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Nearby Lakes in Livingston Parish County
Frequently asked questions about Lake Maurepas South-Southeast of Killian
Where is Lake Maurepas South-Southeast of Killian?
- Lake Maurepas South-Southeast of Killian is in Livingston 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 Maurepas South-Southeast of Killian?
- Lake Maurepas South-Southeast of Killian in Livingston Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Chlorophyll-a (algae): 23.7 µg/L.
Is Lake Maurepas South-Southeast of Killian safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Lake Maurepas South-Southeast of Killian across LakeQuality
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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)
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.