Eagle Lake is a lake in Madison Parish County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.

Eagle Lake

Madison Parish County, LouisianaView map Directions

LDEQ publishes the water-quality measurements for Eagle Lake. Here is what has been measured.

Clarity

1.5 ft

Secchi · sampled 2025

Phosphorus

185 µg/L

Typical for Louisiana

Measured by LDEQ

Chlorophyll-a

55.7 µg/L

More algae than most

Measured by LDEQ

Type

Hypereutrophic

Trophic class

Hypereutrophic
Limited data

See the measurements Directions Where to stay

Eagle Lake in Madison Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Water clarity: 1.5 ft visibility. Phosphorus: 185 µg/L. Chlorophyll-a (algae): 55.7 µg/L.

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Eagle Lake is a highly nutrient-loaded hypereutrophic lake in Madison Parish County, Louisiana.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-15. Methodology: how these readings are compared.

Swimming conditions

Readings only

Limited 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 Eagle Lake 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.

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Water quality measurements for Eagle Lake

These are the measurements LDEQ publishes for Eagle Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Very murky, less than 1.5 ft of visibility. Phosphorus 185 µg/L. Chlorophyll-a 55.7 µg/L. TSI 74.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.5ft	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	185µg/L	Poor GoodFairPoor
Chlorophyll-a (algae)	55.7µg/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.	74	Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about Eagle Lake

Answers come straight from the public measurements and survey records on this page.

Stays via Stay22

Stays near Eagle Lake

Compare lakeside cabins, hotels, and vacation rentals near Eagle Lake in Madison 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 Eagle Lake are listed below.

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Fishing Eagle Lake

→ Eagle Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Madison Parish County

Lake Chotard2.5 ft clear · Hypereutrophic6.5 miView →Broad Lake—View →Sandbank Lake—View →Texas Lake—View →Big Lake—View →Long Lake—View →

Frequently asked questions about Eagle Lake

Where is Eagle Lake?: Eagle Lake is a lake in Madison Parish County, Louisiana. Its water-quality measurements are published by LDEQ and shown on this page as reported.
What is the water quality of Eagle Lake?: Eagle Lake in Madison Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Water clarity: 1.5 ft visibility. Phosphorus: 185 µg/L. Chlorophyll-a (algae): 55.7 µg/L.
Is Eagle Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

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