FORT COLLINS, Colo. (CBS4) – Edora Pond in Fort Collins is closed after about 10,000 gallons of raw sewage spilled into Spring Creek. Fort Collins Utilities says a sewer bypass line dislodged unexpectedly on Friday morning.

It sent the material into the pond for about 10 minutes, they say. The temporary hose was part of a sewer line replacement project.

READ MORE: Successful, Money Saving Summit County Mental Health Program Grabs Attention Of Colorado Leaders

(credit: Fort Collins)

READ MORE: More Adoptable Animals At The Dumb Friends League Than They've Seen In A Decade, Cost To Adopt Adult Cats At Only $10

City officials say they are working with county and state health departments to clean it up.

MORE NEWS: As Vaccine Rates Remain Low For Communities Of Color, Door-To-Door Campaigns Help Build Trust In Doctors' Advice

Residents are asked to avoid areas downstream.