DURHAM, N.C. (AP) — Officials say a grease blockage has led to a wastewater spill in North Carolina.

The city of Durham said in a news release that about 800 gallons (3,000 liters) of wastewater flowed into a tributary of New Hope Creek from private sewer cleanouts.

The city said the overflow occurred around 10:15 a.m. Sunday and lasted nearly three hours.

The city said the area affected by the overflow has been cleaned and there is no apparent threat to people or property.

City officials notified the North Carolina Department of Environmental Quality Division of Water Resources.