Water levels are the measured height of water above or below a reference point ... Over the next six months, the US Army Corps of Engineers predicts Lake Superior to maintain its seasonal decline ...

As an atmospheric river surged into the Pacific Northwest in late February 2025, it carried not just warm tropical moisture—but ...

For the most recent version, click here. This map shows water systems that tested at or above newly established PFAS limits since last year. It’s based on boundaries developed by SimpleLab ...