In this week's wastewater news, a California plant recovers from a chemical explosion, and New York City Harbor celebrates the return of humpback whales.

A unique water reuse project uses sedges, rushes and other plants to filter effluent-dominated water.

In this week's news, sump pumps cause problems for a wastewater treatment plant, Montana lowers loan rates for infrastructure projects and a city experiments with reclaimed water.

In this week's wastewater news, a study finds antibiotic-resistant bacteria, plant upgrades continue in several cities, and a $10 million water reuse pipeline could irrigate California crops.

Sacramento expects to spend at least $1.5 billion on a wastewater system upgrade. Only a few recent public works projects, like freeways and public transit, carry a similar price tag.