INURRITZA, Zarautz | Spain Wastewater

Overview

INURRITZA wastewater treatment plant serves Zarautz, Gipuzkoa, in Spain's Basque Country. It treats wastewater from approximately 38,500 people and discharges into the coastal environment of the Bay of Biscay.

INURRITZA is a wastewater treatment plant located in Zarautz, within the province of Gipuzkoa in the Basque Country (Euskadi), Spain. The plant serves a population of approximately 38,500, placing it in the medium agglomeration category under EU regulations. Its coastal location near the Bay of Biscay influences its operational and environmental context. As a Spanish facility, INURRITZA operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into coastal waters. The directive also mandates more stringent treatment if the receiving area is designated as sensitive. The plant's treated effluent is discharged into the coastal waters of the Bay of Biscay, part of the Atlantic Ocean. This area supports diverse marine life and is important for local fisheries and tourism. The discharge must comply with EU standards to protect water quality and the ecological health of the coastal zone.

Environmental context

The treated effluent from INURRITZA flows into the Bay of Biscay, a northeastern Atlantic basin known for its rich marine biodiversity and productive fisheries. The coastal waters near Zarautz support habitats for various fish species and marine organisms. The plant's discharge is regulated to minimize nutrient loading and other pollutants, helping to preserve the ecological balance of this sensitive coastal environment.

Frequently asked questions

INURRITZA is located in Zarautz, in the province of Gipuzkoa, within the Basque Country (Euskadi), Spain. Its address is Mollarri kargaderoa, Alonso, Talaimendi, Zarautz.

The plant serves approximately 38,500 people, classifying it as a medium-sized agglomeration under EU wastewater treatment regulations.

The plant discharges treated effluent into the coastal waters of the Bay of Biscay, part of the Atlantic Ocean. The discharge is regulated to meet EU standards for coastal water quality.

As a Spanish plant, INURRITZA operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges into coastal waters from agglomerations of this size.

For medium agglomerations in Spain, secondary treatment is standard under the EU directive. If the receiving waters are sensitive, additional nutrient removal may be required.