These topics are cross-references. Activated Sludge Microorganisms - Discusses and illustrates the organisms in sludge, and what can be learned by microscopic analysis of biological treatment systems for wastewater.
Topics run from industrial pretreatment to sludge disposal.
Flush Gordon's Wastewater Page - Introduction to water pollution, wastewater treatment, and water analysis. Useful as an educational resource, with diagrams and many links. How King County regulates industrial discharges into its wastewater system, including discharge limits, approvals, enforcement, and fees. Problems with onsite sewage treatment plants - A forum for reporting problems with onsite sewage treatment plants and lack of manufacturer support. Rivercare Sources of water pollution - Abstracts and ratings on over 3500 wastewater facilities across the United States.