Overview
Heilongjiang wastewater treatment plant serves Wudalianchi City in Heilongjiang Province, China, with a population of approximately 35,000. It operates under China's national wastewater regulations.
The Heilongjiang wastewater treatment plant is located in Wudalianchi City, within the Qing Shan Jie Dao subdistrict, in Heihe City, Heilongjiang Province, China. The plant serves a population of about 35,000, placing it in the medium-sized agglomeration category for Chinese municipal wastewater infrastructure. As a facility in China, the plant is subject to the national Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002), which sets effluent limits for conventional pollutants and nutrients. For plants serving populations of this scale, secondary biological treatment is typically required, with potential nutrient removal in sensitive areas. The treated effluent from this plant likely discharges into a local watercourse within the Heilongjiang River basin, which ultimately flows into the Sea of Okhotsk via the Amur River. The region's cold continental climate and proximity to the Wudalianchi volcanic area create unique ecological conditions, with the receiving waters supporting diverse aquatic life and providing important ecosystem services.
Environmental context
The plant's discharge enters a tributary of the Nen River, which flows into the Songhua River and then the Amur River (Heilongjiang), eventually reaching the Sea of Okhotsk. This watershed supports important fisheries and migratory bird habitats. The Wudalianchi area is known for its volcanic landscapes and mineral springs, making water quality protection critical for both ecological integrity and local tourism.
Frequently asked questions
The plant is located in Wudalianchi City, Qing Shan Jie Dao subdistrict, Heihe City, Heilongjiang Province, China.
The plant serves approximately 35,000 people, classifying it as a medium-sized municipal wastewater treatment facility.
The treated effluent is discharged into a local watercourse within the Nen River basin, part of the larger Amur River system that flows to the Sea of Okhotsk.
The plant operates under China's national standard GB 18918-2002, which sets discharge limits for pollutants. For plants of this scale, secondary treatment is typically required, with possible nutrient removal in sensitive areas.
Plants of this size in China commonly use activated sludge or similar secondary biological treatment processes, often with nutrient removal to meet GB 18918-2002 standards.
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