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Elements to Successful Rainfall Monitoring

Best Management Practices for the Urban Sewer Environment
PART 2: Mar 17th, 2020 @ 12 Noon EDT, 11 AM CDT, 10 AM MDT, 9AM PDT
Important engineering decisions are made every day regarding sanitary sewer, combined sewer, and storm sewer systems and often require the use of rainfall data. Although these decisions involve significant capital investment and expenditures required to protect public health and the environment, the integrity of rainfall measurements supporting them is often overlooked. Over the past several years, Kevin Enfinger, P.E. has examined guidance from a variety of professional organizations in engineering, water resources, and meteorological fields and has consolidated his findings into a concise and flexible approach to obtain appropriate rainfall data to support sound engineering evaluations and decisions related to the urban sewer environment. This approach will be presented and discussed in a two-part webinar series:
Once a suitable rainfall monitor density has been selected and preliminary locations have been proposed, final locations are selected to provide the best possible rainfall measurements. Siting guidelines that provide the most accurate results are discussed, as well as competing concerns such as site access and security.

Once properly sited and installed, rainfall monitors cannot be forgotten and should be serviced periodically to ensure proper operation. Inadequate or insufficient operation and maintenance (O&M) can adversely affect the accuracy or availability of rainfall measurements. Common O&M problems associated with rainfall monitors often originate from environmental factors or equipment problems. Best management practices and practical advice are provided to support successful rainfall monitoring.

Selecting rainfall monitor technologies and products suitable to support sewer system design and evaluation requires that two questions be asked and answered. What accuracy is required, and over what rainfall intensity range? Answering these questions provides insight into which technologies are most appropriate and provides a means to evaluate which products can deliver the desired results.

Once suitable equipment has been selected, consideration should then be given to the number of rainfall monitors required. Rainfall monitors measure rainfall at discrete locations. Therefore, multiple rainfall monitors placed in strategic locations will show a clearer picture of the rainfall variations across larger geographic areas. Technical recommendations from several professional organizations are discussed to estimate the number of rainfall monitors required and determine their preliminary locations.

Presentation Duration: 1 Hour (including Q&A)
Kevin Enfinger, P.E.

Product Manager at ADS Environmental Services with 25 years of experience in environmental engineering and consulting. He holds a Bachelor of Science in Chemical Engineering from the University of Florida and is a member of the American Society of Civil Engineers and the Water Environmental Federation.

Kevin is a Product Manager at ADS Environmental Services with 25 years of experience in environmental engineering and consulting.  He holds a Bachelor of Science in Chemical Engineering from the University of Florida and is a Registered Professional Engineer in AL, KY, NC, SC, TN, and TX.  Kevin is a member of the American Society of Civil Engineers and the Water Environmental Federation and has authored numerous technical papers and presented numerous presentations through these organizations to advance the science of wastewater collection systems evaluation.

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Take a peek at some of the webinars in the archive. Request access to all past ADS Webinars.

SPEAKER: Kevin Enfinger, P.E.
Important engineering decisions are made every day regarding sanitary sewer, combined sewer, and storm sewer systems and often require the use of rainfall data. See how selecting the right equipment in the right quantities for your local rainfall conditions and your specific applications will lead to a successful rainfall monitoring program.

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