Blue-green algae has killed fish and it can make people sick.
The National Park Service says about 1,000 fish have been found dead in a National Mall pond.
The goal of making the Inner Harbor swimmable and fishable in seven years is a daunting task for one non-profit group, especially in the wake of this week’s heavy pollution that killed hundreds of fish in the harbor.
Fish kills in the Chesapeake’s streams and rivers happen, but seldom this early.
An unpleasant reminder of the massive striped bass poaching last winter has surfaced in the bay. Like past cases, an illegally anchored gill net was used.
Officials say they’re investigating a large fish kill in the Chesapeake Bay but suspect cold weather killed them instead of problems with the water quality.