Large-diameter interceptor sewers form the backbone of regional wastewater collection systems. They convey substantial flows across long distances, often…
Southern California’s water agencies are managing a difficult balance: population growth, limited land, stricter discharge requirements, drought, energy costs,…
Energy is one of the largest controllable expenses at a small or medium wastewater treatment plant. Electricity powers aeration blowers, influent and effluent…
Per- and polyfluoroalkyl substances, commonly called PFAS, are a large family of synthetic chemicals used in products that resist water, grease, heat, and…
Sewer networks are among the most valuable and least visible public assets. Beneath streets, parks, and commercial districts, miles of gravity pipe, force…
A regulatory compliance audit examines whether a water or wastewater organization is meeting the requirements set by permits, statutes, regulations, and…
Biosolids composting can transform a treatment residual into a stable, useful soil amendment while reducing the volume and disposal burden associated with…
California’s Title 22 Water Recycling Criteria establish the public health safeguards required when treated wastewater is reused. They define acceptable…
Los Angeles operates one of the largest and most varied wastewater collection systems in the country. Its sewer network includes vitrified clay, concrete,…