EPA issues violation notice to San Francisco

The Trump administration ratcheted up its feud with California on Wednesday as the Environmental Protection Agency issued a notice accusing San Francisco of violating the federal Clean Water Act.

Tests clean, but beaches stay closed after LA sewage spill

There is no sign that a huge sewage spill in downtown Los Angeles reached the ocean 20 miles away, but the waters off Long Beach and parts of neighboring Seal Beach will remain closed at least until another round of tests ...

California braces for series of El Nino storms

After all the talk, El Nino storms have finally lined up over the Pacific and started soaking drought-parched California with rain expected to last for most of the next two weeks, forecasters said Monday.

Waikiki water tested for bacteria after sewage spill

Hawaii's white sand beaches in Waikiki were mostly deserted after officials warned the public about a half-million-gallon sewage spill in Ala Moana Beach Park, which is adjacent to the world-famous tourist destination.

Man-made drainage could raise risk of flooding

Installing drainage systems in developing towns and cities can cause water to reach rivers more quickly, potentially raising the risk of flooding, say scientists.

Source of organic matter affects Bay water quality

Each time it rains, runoff carries an earthy tea steeped from leaf litter, crop residue, soil, and other organic materials into the storm drains and streams that feed Chesapeake Bay.

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