Ocean Shores STP, Ocean Shores

Overview

Ocean Shores STP serves about 10,600 residents in Washington State. The plant discharges treated wastewater near the Pacific coast, operating under U.S. EPA and state regulations.

Ocean Shores STP is a municipal wastewater treatment facility located in Ocean Shores, Washington, United States. It serves a population of approximately 10,615 residents in this coastal community on the Olympic Peninsula. The plant is situated near the Pacific Ocean and is part of the region's wastewater infrastructure. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Washington State Department of Ecology. For a community of this size, secondary treatment is typically required, with additional nutrient removal if discharging to sensitive waters. The plant's designed capacity is 1.00 million gallons per day, indicating it is sized for the local population. The treated effluent from Ocean Shores STP is discharged into the Pacific Ocean via the Grays Harbor estuary. This coastal environment supports diverse marine life, including salmon, shellfish, and migratory birds. Proper treatment is essential to protect water quality in the nearshore zone and maintain healthy ecosystems.

Environmental context

The plant discharges into the Pacific Ocean near Grays Harbor, an estuary that supports critical habitats for fish, birds, and marine mammals. The receiving waters are part of a dynamic coastal system where nutrient loading and pathogen control are key concerns. Effluent quality must meet strict standards to protect shellfish beds and recreational uses.

Frequently asked questions

Ocean Shores STP is located at 1429 East Ocean Shores Boulevard Southwest, Ocean Shores, Washington, United States, on the Pacific coast.

The plant serves approximately 10,615 residents in the city of Ocean Shores and surrounding areas.

The plant discharges treated effluent into the Pacific Ocean via the Grays Harbor estuary, a coastal waterbody.

As a U.S. facility, it operates under the Clean Water Act and must comply with an NPDES permit issued by the Washington State Department of Ecology.

For a community of this size, secondary treatment is standard, often with disinfection. Additional nutrient removal may be required if discharging to sensitive coastal waters.