Bay St. Louis Beach Water Advisory Lifted

Detected April 4th, 2026

Summary

The Mississippi Department of Environmental Quality has lifted the beach water contact advisory for Bay St. Louis Beach after water samples showed acceptable bacteria levels. The advisory affected Station 4, from the Box Culvert east to Ballantine St. Four advisories remain in effect along the Mississippi Gulf Coast.

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What changed

MDEQ's Beach Monitoring Program has lifted the water contact advisory for Bay St. Louis Beach (Station 4) after detecting acceptable bacteria levels in water samples. The affected area spanned from the Box Culvert east to Ballantine St. Four advisories remain in effect across the Mississippi Gulf Coast.

Swimmers should note that the Beach Task Force maintains a standing recommendation against swimming during or within 24 hours of significant rainfall. MDEQ will continue issuing text alerts and press releases through Labor Day (September 7, 2026), after which advisory communications will transition to posted beach signage and the Beach Monitoring website only.

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The Mississippi Department of Environmental Quality, through its Beach Monitoring Program, has lifted the beach water contact advisory for Bay St. Louis Beach.

Water samples at this station show the area has reached acceptable bacteria levels. There are four beach water contact advisories still in effect on the Mississippi Gulf Coast currently.

Again, the ADVISORY has been: LIFTED for:
• Bay St. Louis Beach — the affected area was from the Box Culvert east to Ballantine St. (Station 4)

Swimmers are reminded that the Beach Task Force has a standing recommendation that swimming should not occur during or within 24 hours of significant rainfall.

More information about the Mississippi Beach Monitoring Program and the location of beach sampling stations is available here.

Notice: MDEQ will continue issuing beach advisory text alerts and press releases through Labor Day, September 7, 2026. Beginning September 8, 2026, routine advisories outside the peak beach season will be communicated through posted beach signage and the Beach Monitoring website. Advisory information is posted first on beaches.mdeq.ms.gov, making it the fastest place to find updated beach conditions.

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