Recent News

All I want for Christmas is less nitrogen, phosphorus, and sediment entering our waterways that result in poor clarity, algal blooms, dead zones, and poor habitat. That's not asking too much right?  While I may not receive everything on my Christmas list this year, we did receive a newly signed Chesapeake Bay Agreement. We applaud the Bay states for reaffirming their commitment to the Chesapeake Bay and its tributaries. And while we did not see everything we wanted to see in

We're approaching the end of 2025 and it's been another busy year working to heal the South, West, and Rhode Rivers and championing clean water across Maryland! Take a look at some of the highlights from the work we've done (so far) this year.

October brought nothing but good news for the Riverkeeper Department. Our water quality is significantly improving this month, which is usual and to be expected every October, but even more noticeable this month compared to last year. Our clarity is incredible right now- some of our sites are measuring over 5.5ft of clarity. This site in particular was only measuring 2ft clarity at the same time last year. In addition to great clarity, oxygen levels have also stabilized throu

Recognize this smiling face? A special thanks to Joanne Hyder from the Shoal Sisters (our 2025 Half Shell band) for joining us and...

8/28/25 Bacteria results are in! We had 3 sites fail this week: all on the South River. This is a test for enterococcus, an indicator of...

Hello everybody! My name is Sean, and this summer I’ve had the great privilege of working as the Education and Outreach intern for...

The Chesapeake Bay Watershed Agreement was originally signed in 2014 by leadership from the Bay States and DC. The Agreement...

7/2/25 Bacteria results are in! We had 13 sites fail this week: 7 on the South River, 4 on the West and Rhode Rivers, and 2 on the...

6/26/25 Bacteria results are in! In total, there were 6 failing sites: 5 on the South River, 1 on the West and Rhode rivers, and 0 on the...

6/19/25 Bacteria Results are in. In total, there were 28 failing sites: 19 on the South River, 7 on the West and Rhode rivers, and 2 on...

Arundel Rivers staff harvest underwater grasses on the Eastern Shore. Out of the office and on the river! We are officially in full field...

Please help us welcome our 2025 Summer Interns! This summer we will be hosting these two incredible additions to our team through August....

Take some time to explore our 2024 River Report Card , graphic story map, and subwatershed reports :

6/12/25 Bacteria Results are in! We had 5 sites fail this week: 2 on the South River, 2 on the West and Rhode Rivers, and 1 on the...

6/5/25 Bacteria Results are in! We had 6 sites fail this week: 4 on the South River, 2 on the West and Rhode Rivers, and none on the...

5/29/25 Bacteria Results are in. We had 23 sites fail this week: 15 on the South River, 6 on the West and Rhode Rivers, and 2 on the...

5/22/25 bacteria monitoring results are in for the first week of the monitoring season. This week, 18 sites saw bacteria levels above the...

It's here! The grades are in for our 2024 Report Card for the South, West, and Rhode Rivers. New this year, we added three new parameters...

Legislative Session Ends and Water Quality Season Begins! April is here which means field season is officially upon us. The legislative...

Happy St. Patrick's Day! This is one of my favorite holidays for two reasons - 1. the ospreys always return by St. Patrick's Day, which...