ROWP Parva Wastewater Treatment Plant - Parva, Bistrița-Năsăud, Romania

ROWP Parva is a wastewater treatment facility located in the commune of Parva, Bistrița-Năsăud County, Romania. The plant serves a small population of 325 residents, reflecting its role in a rural community. Its location along DJ172B places it within the Someș River basin, which drains into the Tisza River and ultimately the Danube River. The plant provides primary treatment, which involves physical processes like sedimentation to remove solids. With a designed capacity of 1,950 m³/day, the current discharge volume of 36.29 m³/day indicates low utilization. Under Romanian and EU regulations, small agglomerations under 2,000 population equivalents are subject to appropriate treatment requirements, though primary treatment may be considered adequate for this scale. The treated effluent from ROWP Parva enters local streams that feed into the Someșul Mare River, a tributary of the Someș River. This waterway flows through northwestern Romania into Hungary, joining the Tisza and then the Danube. The plant's operations help protect the Someș River ecosystem, which supports diverse aquatic life and is important for regional biodiversity.

The plant discharges into the Someșul Mare River catchment, part of the Someș River basin. The Someș flows into the Tisza River in Hungary, which then joins the Danube River before reaching the Black Sea. This watershed supports diverse aquatic habitats and is an important corridor for migratory fish species. The primary treatment provided helps reduce suspended solids but may not fully address nutrient loads, which could impact downstream water quality in the Tisza and Danube.