https://www.bayjournal.com/news/growth_conservation/a-maryland-river-turns-orange-bay-grasses-disappear/article_0eb7fdfc-5eeb-11ee-b0d3-07364673369e.html#comments
It's definitely still going on, but that article is from 9/2023.
Yep, the Gunpowder Riverkeeper was in a meeting last night and it's still a big issue.