Advanced Onsite Wastewater Systems Technologies discuss a regulatory and management infrastructure for ensuring long-term, reliable applications of onsite systems for wastewater management.

Features:

• Covers currently available advanced onsite wastewater system technologies
• Presents details on two of the most commonly used advanced onsite wastewater treatment technologies - Media Filters and Aerobic Treatment Units
• Explores new concepts on how onsite systems should be regulated so that professionals can select, install, and use an appropriate system
• Contains information on how to fix failing septic tank systems, whether 30-plus years old or recently installed
• Provides tables and computer spreadsheets to be used in calculations for selecting and approving onsite wastewater systems
• Includes access to a supporting Web site that provides spreadsheets and ancillary details on projects described in the book

Contents

Onsite Wastewater Management - An Overview

• Septic Systems versus Advanced Onsite Systems versus Centralized Treatment
• Managed Advanced Onsite Treatment
• Wastewater Treatment Levels and Receiving Environment
• Septic Systems Cannot Do It Alone
• Onsite Treatment to Levels Greater Than Septic Tanks
• Use of Soil for the Majority of the Treatment Is Not Required
• Assimilation: Subsurface or Surface Dispersal of Effluent
• Responsible Management and Regulations
• Onsite Technology Is Ready for the 21st Century
• Advanced Onsite Treatment Systems
• Onsite Effluent Dispersal Systems
• Remote Monitoring System
• Regulatory Framework

Decentralized Wastewater Soluitions

• The Term Decentralized
• Centralized Versus Decentralized Solutions
• The Science of Wastewater
• Pollution Scale
• Wastewater Treatment Basics
• Determining Wastewater Characteristics
• A Simple Look at Wastewater Treatment
• Concept of Overall Treatment Levels
• Soil and Site Issues

Media Filters

• Theory of Attached Growth Wastewater Treatment Systems
• Types of Natural and Synthetic Media Used for Treating Wastewater
• Flow and Load Estimates
• Single- Pass Systems
• Methods and Benefits of Recirculation
• Textile Filters
• Controls
• Level Sensors
• Determining Timer Settings
• Pump Selection
• Other Fixed Film Processes
• System Monitoring and Maintenance
• Soil Dispersal of Packed Bed Filter Effluent

Aerobic Treatment Units

• Theory of Biochemical Wastewater Treatment Using Aerobic Treatment Processes
• Aerobic Treatment Unit (ATU) Operation
• Typical ATU Configurations
• Oxygen Transfer
• ATU Influent
• Hydraulic and Organic Loading
• Flow Equalization
• Nitrogen and Phosphorus in Wastewater
• Operational Issues
• Performance Certification

Effluent Dispersal and Recycling Systems

• Effluent Dispersal Technologies
• Soil and Site Evaluation: Then and Now
• Assimilation: Subsurface Dispersal of Effluent
• New Concept for Effluent Dispersal System Design
• Experimental Design Example
• Nitrogen Reduction and the Effluent Dispersal System
• Nitrogen Model
• Total Maximum Yearly Load (TMYL)

Management Framework For Using Advanced Onsite Wastewater Systems Technologies

• Centralized Versus Onsite Wastewater Systems' Management
• EPA Management Models
• Responsible Management Entity (RME)
• Who Can Be An RME?
• Utility/RME System Concept
• Value-Added Services
• Redefining the Roles
• Helping the Onsite Industry
• Serving the People and the Environment
• Long-Term Cost
• Regulatory Changes Needed
• Examples of Utility Programs

Regulatory Framework For Using Advanced Onsite Wastewater Systems Technologies

• Regulatory Framework for Use of Septic Systems
• Regulatory Framework for Use of Advanced Onsite Systems
• Building a Foundation for Performance Based Regulations
• Performance Monitoring Requirements Matrix
• Approval Process for Advanced Onsite Technology
• Soil and Site Issues
• Building Agreement

Planning With Advanced Onsite Systems Technologies

• Integrating the Use of Advanced Onsite Systems in Planning
• Onsite versus Centralized Wastewater Systems
• Wastewater and the Receiving Environment
• Operation and Management Infrastructure

The Future of Advanced Onsite Systems Technologies

• Managed Onsite Systems
• Why Treat Beyond The Septic Tank?
• Fixing Current Problems and Addressing Future Needs
• Performance Monitoring Is Now Possible
• Regulating Use of Onsite Systems Online
• Five Steps to E-Government for Onsite Systems

Index

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