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The Sierra Nevada Brewing Company opened a 500,000-barrel-per-year facility, which includes an on-site industrial wastewater pretreatment plant. The pretreatment technology comprises an anaerobic sequencing batch reactor (ASBR) to remove solids and organics prior to discharge to the local sewer. Since the predominant livestock in the region is swine, it is not cost-effective to sell the…
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The Township of Delhi operates a conventional wastewater treatment plant designed to treat 4 to 5 mgd. The facility currently treats an average of 2.5 mgd of wastewater. Waste solids generated in the plant are combined with third-party organic wastes in a co-digestion process. The resultant biogas is used to heat the digesters and generate…
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The Highspire Borough Authority’s wastewater treatment plant is designed to treat up to 2 mgd of wastewater. The current treatment process includes primary screening and grit removal, grinding or commutation, biological treatment for biochemical oxygen demand and nutrient removal, secondary clarification, anaerobic sludge digestion with biogas flared, centrifuge dewatering, and disinfection using UV light. The…
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The University Area Joint Authority’s (UAJA) Spring Creek Pollution Control Facility provides wastewater treatment, solids handling, and reuse water to the Centre Region and comprises an advanced wastewater treatment facility with tertiary effluent standards and advanced water reclamation. The facility is currently rated for 10.56 mgd hydraulically (MMAF) and 50,000 pounds/day of biochemical oxygen demand….
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The City of Wooster, Ohio, through a public–private partnership, invested in a biosolids facility to process the waste sludge generated on site at the City’s municipal wastewater plant, as well as third-party septage, biosolids, and food wastes. This new facility, called the Water Resource Recovery Facility (WRRF), includes a traditional mechanically mixed thermophilic and mesophilic…
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The University Area Joint Authority’s (UAJA) Spring Creek Pollution Control Facility previously disinfected its wastewater discharge using an ultraviolet (UV) system. While the UV system was effective at removing viruses and bacteria, it could not remove pharmaceutical products in the wastewater effluent. UAJA desired a new system that combines disinfection and advanced oxidation to remove…
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Sanitary surveys revealed that more than 40 percent of surveyed on-lot disposal systems on North Neshannock Road, North Darby Road, and South Darby Road in the City of Hermitage were classified as suspected or confirmed malfunctions according to Pennsylvania Department of Environmental Protection regulations. These results suggested untreated sewage was being discharged into “Waters of…
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The Municipal Authority of the Town of Bloomsburg was experiencing significant infiltration and inflow of stormwater to their sanitary system, which was overwhelming their downstream wastewater treatment facilities. Under budgetary constraints, the Authority identified a high-priority portion of their sewershed for immediate evaluation and condition assessment. RETTEW’s Subsurface Utility Engineering team used Envirosight RovverX robotic…
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RETTEW managed the design and construction of multiple extensions to the Paradise Township Sewer Authority’s sewage collection system. Each project was funded through the Community Development Block Grant program for low- to moderate-income residents. RETTEW’s services included survey, environmental clearance, design, permitting, bidding assistance, construction administration, construction resident project representation, and grant administration. The projects…
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The Paradise Township Sewer Authority owns and operates a wastewater treatment plant that serves all existing sewer areas in Paradise Township. Growth in the service area necessitated an expansion of the hydraulic and organic capacity of the existing plant from 120,000-gpd to 220,000-gpd. Additionally, the Pennsylvania Department of Environmental Protection required the expanded treatment plant…
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Go to NewsroomRETTEW Charitable Foundation Awards Grant to Good Karma Garage
RETTEW is excited to announce Good Karma Garage is the recipient of a $7,000 grant from the RETTEW…
Read MoreEvolving With Our Clients and Technology
For the last decade, RETTEW has been providing North America’s largest flat-rolled steel producer with visual structural inspections…
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