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Bayou Louis East of Harrisonburg Lake

Catahoula 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 Bayou Louis East of Harrisonburg Lake. Here is what has been measured.

Phosphorus
150 µg/L
Typical for Louisiana
Measured by LDEQ
Type
Hypereutrophic
Trophic class
  • Hypereutrophic
  • Public access
  • Limited data

Bayou Louis East of Harrisonburg Lake in Catahoula Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Phosphorus: 150 µg/L.

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Bayou Louis East of Harrisonburg Lake is a highly nutrient-loaded hypereutrophic lake in Catahoula Parish County, Louisiana. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 2 other monitored lakes in Catahoula Parish County, Bayou Louis East of Harrisonburg Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-09-23. Methodology: how these readings are compared.

What Bayou Louis East of Harrisonburg Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch1 documented ramp

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 Bayou Louis East of Harrisonburg 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 Bayou Louis East of Harrisonburg Lake

These are the measurements LDEQ publishes for Bayou Louis East of Harrisonburg Lake, 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 150 µg/L. TSI 76.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus150µg/LPoor
GoodFairPoor
Chlorophyll-a (algae)No reading

The green pigment in algae — a direct measure of how much algae is in the water.

Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.76Hypereutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Very high nutrients, dense algae, poor clarity

Ask about Bayou Louis East of Harrisonburg Lake

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Hwy 8 BridgeSemi-private

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Bayou Louis East of Harrisonburg Lake

Compare lakeside cabins, hotels, and vacation rentals near Bayou Louis East of Harrisonburg Lake in Catahoula 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 Bayou Louis East of Harrisonburg Lake are listed below.

Top-rated places to stay near Bayou Louis East of Harrisonburg Lake

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Fishing Bayou Louis East of Harrisonburg Lake

Nearby Lakes in Catahoula Parish County

Frequently asked questions about Bayou Louis East of Harrisonburg Lake

Where is Bayou Louis East of Harrisonburg Lake?

Bayou Louis East of Harrisonburg Lake is in Catahoula 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 Bayou Louis East of Harrisonburg Lake?

Bayou Louis East of Harrisonburg Lake in Catahoula Parish County, Louisiana has water-quality measurements published by LDEQ, shown here as reported. Phosphorus: 150 µg/L.

Measurements on this page ↑

Is Bayou Louis East of Harrisonburg Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Are there boat ramps on Bayou Louis East of Harrisonburg Lake?

Bayou Louis East of Harrisonburg Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Hwy 8 Bridge. Public access is listed as yes.

Access on this page ↑

Can I fish at Bayou Louis East of Harrisonburg Lake?

Bayou Louis East of Harrisonburg Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Louisiana's fish and wildlife agency, so check its current regulations before you go.

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Where this data comes from

24 measurements from 1 monitoring station, 2020–2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.

Collected and reported by

  • LDEQ/Water Planning and Assessment (Louisiana)LADEQWPD_WQX24 samples · 2020–2021

Analytical methods

  • 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
  • Turbidity by Nephelometry
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.

Other records on this page

Named boat-access points from the USGS National Boat Ramps inventory