These include a lined aeration pond and stabilization pond, as well as an unlined infiltration pond. Three ponds comprise the 100-N Sewage Lagoon treatment system. Waste is also received by trucks that transport domestic waste pumped from on site septic tanks and holding tanks. A network of sanitary sewer piping and lift stations transfers domestic waste water from the 100-N Area buildings directly to the 100-N Sewage Lagoon. The 100-N Sewage Lagoon serves the 100-N Area and other Hanford Site areas by receiving domestic waste from two sources. Although the 100-N Sewage Lagoon is not a Public Owned Treatment Works, the Public Owned Treatment Works application is more applicable than the application for industrial waste water.
Since the influent to the sewer lagoon is domestic waste water, the State Waste Discharge Permit application for Public Owned Treatment Works Discharges to Land was used. This document constitutes the State Waste Discharge Permit application for the 100-N Sewage Lagoon. As a result of this decision, the Washington State Department of Ecology and the US Department of Energy, Richland Operations Office entered into Consent Order No.
1994), the US Department of Energy, Richland Operations Office, the US Environmental Protection Agency, and the Washington State Department of Ecology agreed that liquid effluent discharges to the ground on the Hanford Site which affect groundwater or have the potential to affect groundwater would be subject to permitting under the structure of Chapter 173-216 (or 173-218 where applicable) of the Washington Administrative Code, the State Waste Discharge Permit Program. State Waste Discharge Permit application, 100-N Sewage LagoonĪs part of the Hanford Federal Facility Agreement and Consent Order negotiations (Ecology et al. The paper focuses on the challenges met in planning and designing the collection system Features unique to the proposed new sanitary waste water handling systems include: (1) cost effective operation of the treatment system as evaporative lagoons with state-of-the-art liner systems, and (2) routing collection lines to avoid historic contamination zones.
Currently sanitary waste water from the 200 Area Plateau is handled with on-site septic tank and subsurface disposal systems, many of which were constructed in the 1940s and most do not meet current standards. As part of the TPA, discharges of hazardous waste water to the ground and waters of Washington State are to be eliminated in 1995. Over the last 50 years at Hanford dicard of hazardous and sanitary waste water has resulted in billions of liters of waste water discharged to the ground. The reactor fuel processing and waste management facilities are located in the 200 Areas. mi) of semiarid land set aside for activities of the DOE. The Hanford Site is approximately 1,450 sq. The US Department of Energy (DOE) Hanford Site is located in southeastern Washington State. International Nuclear Information System (INIS) Hanford 200 area (sanitary) waste water system
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