sanitary wastewater Articles

  • Integrating Rural Wastewater Management: Crow Wing County Sanitary Management District

    ABSTRACTDouble-digit population growths and skyrocketing development has resulted in a dramatic increase in unsewered development in Minnesota’s popular lakes county. To help assure protection of human health and the quality of the waters, a county wide decentralized sanitary district with pilot subordinate districts is being established in Crow Wing County. The objective of the district is to ...

  • Saticoy Wastewater Treatment Plant Saticoy Sanitary District Ventura, California - Case Study

    Project Overview: The Saticoy Sanitary District (Saticoy) owns the Saticoy wastewater treatment plant (WWTP). Saticoy contracts with Ventura Regional Sanitation District (VRSD) for engineering and operations expertise. The WWTP collects and treats the sanitary waste of approximately 400 residences, and 600 customers. Originally designed in 1955 as a simple septic tank, it was improved to ...

  • Evaluation of Alternative Operation Modes for Aerobic Digester at the Fountain Hills Sanitary District Wastewater Treatment Facility

    Recycle streams from sludge digestion facilities to activated sludge processes can be important in the overall performance of wastewater treatment facilities. The recycling streams at the wastewater treatment plant for the fountain Hills Sanitary District Wastewater Treatment Plant include digested sludge dewatering centrate, waste activated sludge thickening centrate, and filter backwash water. ...

  • Assessing antibiotic resistance of microorganisms in sanitary sewage

    The release of antimicrobial substances into surface waters is of growing concern due to direct toxic effects on all trophic levels and the promotion of antibiotic resistance through sub-inhibitory concentration levels. This study showcases (1) the variation of antibiotics in sanitary sewage depending on different timescales and (2) a method to assess the antibiotic resistance based on an ...


    By IWA Publishing

  • Case study - Washington Suburban Sanitary Commission

    After WSSC began experiencing major PCCP failures in the 1970s, it developed a strong commitment to infrastructure management technology in favor of large capital replacements. Beginning in 2007, WSSC and Pure Technologies began a partnership to create a comprehensive PCCP management program. The Washington Suburban Sanitary Commission (WSSC) is the 8th largest water and wastewater utility in ...

  • Skimming Oily Wastewater

    As large generators of oily wastewater tighten effluent controls, the U.S. Environmental Protection Agency (EPA) is targeting smaller generators. Some of the firms receiving their attention are smaller manufacturing plants, automotive garages, mobile equipment service shops and truck farms. Many of these firms do not have access to a sanitary sewer system that will accept oily wastewater. Because ...


    By Abanaki Corporation

  • ACTIFLO® Clarifiers to Treat Sanitary Sewer Overflow in Lawrence, KS WWTP

    The ACTIFLO Process was evaluated as an alternative for sanitary sewer overflow (SSO) treatment at the City of Lawrence, Kansas's wastewater treatment plant (WWTP). Prior to implementation of the ACTIFLO Process and expansion of the existing biological treatment trains, the facility struggled with handling wet weather events that exceeded the 9 MGD (average) or 18 mgd (peak) flow ...

  • Aquidneck Place wastewater system information

    Institutional facilities typically have larger wastewater flows with lower organic concentration than commercial waste streams.  However, some institutions such as schools may have exceptionally high concentrations of ammonia nitrogen and very erratic peak flows.  It is critical to understand the institution’s lifestyle and sanitary routines when designing a treatment system. The ...


    By Aquapoint

  • Developing an Effective Sanitary Sewer Management Plan Utilizing Innovative GIS Solutions

    As California’s wastewater collection system infrastructure begins to age, the need to proactively manage this valuable asset becomes increasingly important. The first step in this process is to have a reliable reporting system for Sanitary Sewer Overflow (SSOs). Although there are some data systems to record spills and various spill-reporting requirements have been developed, inconsistent ...

  • CMOM in california – the race to implement waste discharge requirements for sanitary sewer collection systems

    On May 2, 2006, the California State Water Resources Control Board adopted Order Number 2006-0003, the statewide General Waste Discharge Requirements (WDRs). The WDRs establish minimum operation, maintenance and management standards to significantly reduce sanitary sewer overflows (SSOs) from publicly owned collection systems greater than one mile in length. The agencies that own or operate ...

  • St. Claude wastewater case study

    The dairy plant located in St. Claude, Manitoba was facing operational and regulatory pressure due to the significant amounts of BOD it was discharging into the community wastewater system. Levels of BOD discharged from the plant were steadily increasing creating pressures on the Town’s lagoon system, increasing from 450 mg/L in June – November 1990 to 2,512 mg/L in the January ...


    By Nordevco Associates Ltd.

  • Bayview Community - Wastewater Treatment System

    Formed just after the Civil War, “Bayview” is a 300 year‐old predominately African American community. The residents of the community organized and created the Bayview Citizens for Social Justice In 1998. The group formed partnerships to improve the lives of the community by installing a water and wastewater treatment system. Funding came from multiple Federal. State and County ...


    By BioMicrobics, Inc.

  • WDRs: Developing an Effective Sanitary Sewer Management Plan Utilizing Innovative GIS Solutions

    As California’s wastewater collection system infrastructure begins to age, the need to proactively manage this valuable asset becomes increasingly important.  The first step in this process is to have a reliable reporting system for Sanitary Sewer Overflow (SSOs). Although there are some data systems to record spills and various spill-reporting requirements have been developed, inconsistent ...

  • Chlorine Disinfection of Blended Wastewater Effluents

     KeywordsBlended Wastewater, Disinfection IntroductionFlow to publicly owned treatment works (POTWs) increases during wet weather events, due to intrusion of storm water into sanitary collection systems and use of combined sewer systems. When such flows exceed the hydraulic capacity of a POTW alternate flow management techniques must be employed to ensure that ...

  • Wastewater master plan - south of Missouri river

    Client: Kansas City, Mo.   Completion Date: 1999   Services Provided Collection system modeling Pumping station analysis Combined and sanitary sewer wet weather flow management Project Summary  Burns & McDonnell performed a master plan of wastewater facilities for Kansas City, ...


    By Burns & McDonnell

  • Lowes Plaza commercial wastewater system information

    Commercial wastewater is usually highly concentrated in organic content and complicated by sanitary routines and house keeping habits that shorten the expected life of the soil disposal system.  Advanced wastewater treatment will preserve the disposal system indefinitely and often represents a one to three year return on investment for commercial facilities. This Aquapoint wastewater ...


    By Aquapoint

  • Study on wastewater treatment systems in hospitals of Iran

    Water resources shortage is one of the most important issues due to the population growth and ever increasing water demands as well as its conservation. Wastewater treatment can serve as a logical way to recycle water to consumption cycle. Due to variety of water uses, it seems that there are certain treatment techniques for different types of wastewater, such as municipal and hospital ...


    By University of Tehran

  • Lessons Learned from Large Diameter Sanitary Sewer Pipe Bursting Project: Conversion of Abandoned Gravity Sewer Main Into Upsized Sanitary Force Main South San Francisco, CA

    ABSTRACTAs an increasing number of large diameter pipe bursting jobs are attempted, more is being learned about the capabilities and potential of pneumatic pipe bursting. The large diameter pipe bursting project in South San Francisco is one of the most challenging and innovative bursting projects ever attempted in North America. It is being heralded as a landmark pipe bursting job. ...

  • Process to Estimate Sanitary Sewer Pipe Remaining Life Provides MWWSSB Remedial Decision Information

    ABSTRACTA condition assessment study for the Water Works and Sanitary Sewer Board of the City of Montgomery’s (MWWSSB’s) West Catoma Interceptor (WCI) was conducted in 1998 and 2003. The WCI was evaluated in 1998 using core sampling, closed-circuit television, and manhole (MH) inspections. Approximately 193 MHs and 65,000 linear feet (LF) of pipe were inspected. A subsequent study conducted in ...

  • Improved Wastewater Treatment at Hess Collection Winery

    Winery wastewater treatment at Hess Collection Winery (Napa, CA) features floating horizontal brush aerators, data logging, and computer monitoring and control to simplify required water quality reporting. Since installation in 2001, Hess Collection Winery has never been out of compliance with state discharge limits. Wineries generate a strong organic wastewater that is highly depending on ...


    By S&N Airoflo Inc.

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