Florida's First Permitting Experience with the New NWRI/AWWARF UV Disinfection Guidelines
Publication: World Water & Environmental Resources Congress 2003
Abstract
The Florida Department of Environmental Protection (FDEP) recently adopted the Ultraviolet Disinfection Guidelines for Drinking Water and Water Reuse, published in December 2000 by the National Water Research Institute / American Water Works Association Research Foundation (NWRI/AWWARF). These guidelines now serve as the design basis for new stand-alone, high-level UV disinfection systems at wastewater treatment facilities in Florida. The NWRI/AWWARF guidelines establish minimum design requirements for UV disinfection of filtered reclaimed water. An integral part of the guidelines is performance-based testing in which the dose delivery capability of the UV reactor is experimentally validated. The City of Auburndale's Raymond Allred Wastewater Treatment Plant (WWTP) recently became the first facility in Florida permitted under the new guidelines. Several issues related to UV dosage, reactor and reliability design, monitoring requirements, and manufacturers' validation studies came to light as a result of the FDEP permitting process. Unlike California, the FDEP does not "conditionally accept" specific models of UV systems. Rather, Florida approves a system on an individual basis and requires the engineer of record to provide assurance that the system design and validation comply with the NWRI/AWWARF guidelines. Key aspects of the NWRI/AWWARF guidelines and validation requirements will be presented using Auburndale's permitting experience as a "case study".
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Copyright
© 2003 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Case studies
- Chemical processes
- Chemistry
- Drinking water
- Ecosystems
- Engineering fundamentals
- Environmental engineering
- Methodology (by type)
- Radiation
- Research methods (by type)
- Ultraviolet radiation
- Validation
- Wastewater treatment plants
- Water (by type)
- Water and water resources
- Water management
- Water reclamation
- Water treatment
- Water treatment plants
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