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St. Johns River report: salinities down after rain, algae low and manatee deaths unchanged

Jacksonville Waterways Commission · November 12, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

At a Jacksonville Waterways Commission meeting, Dr. Pinto reported slightly higher water levels and lower salinities across monitoring stations, localized low toxin readings at Doctor’s Lake, and no change in local manatee deaths; an aerial survey is planned next week.

At its meeting, the Jacksonville Waterways Commission heard a status report on the St. Johns River from Dr. Pinto, who said recent rain has raised water levels by a couple of feet and pushed salinities lower at monitoring stations. "Our water levels are a couple of feet higher," Dr. Pinto said.

Dr. Pinto reported specific salinity readings including Mayport at 21–25 parts per thousand, Dames Point at 3–9 ppt and lower values reported near JU and downtown. Water…

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