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How to use the course catalog: You may scroll down the names of the courses OR you may search by keyword using the search boxes below. To view full information on any course, click on the magnifying glass to the left of the course title.

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If you cannot attend a NEWWA event you have registered for you must contact NEWWA in writing two business days prior to the start of a program to request a refund or credit minus a $30 administrative fee. If you contact NEWWA within one business day you will be charged 100% of the original course registration fee. This charge is non-refundable and non-transferable. Written refund/credit requests made for special circumstances will be considered if received within 2 weeks from the start date of the program. Credits issued are valid for 6 months from the date of the program.

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Title: Well Rehabilitation and Maintenance
Description: This course will assist water utility superintendents and managers in assessing their groundwater supplies with an eye towards preventive maintenance and well rehabilitation as cost-effective alternatives to new source development. Topics covered include types of wells, terminology, well construction, and materials; well plugging (how and why); techniques and applications for unplugging wells; economics of well development; purchasing well rehabilitation services; and utility experiences. A segment on “Well Consumer Awareness” will present a utility manager’s view of the overall well maintenance process, including a variety of tips, methodologies, and parameters to yardstick your own groundwater supply. The final segment involves a case study on unplugging an iron-plugged well, tying together all coursework covered throughout the day.
Who Should Attend: This workshop is designed for water utility superintendents and managers who rely on groundwater for their supplies. It will also be of interest to consulting engineers, public health professionals and regulatory officials who wish to gain a better understanding of the topic.
Pre-requisites: None
CEUs: 0.6
Learning Objectives/Outcomes: In this interactive workshop participants will have an opportunity to: Examine preventative maintenance strategies to sustain/enhance well performance; Examine proven cost effective well rehabilitation strategies to restore well performance as alternatives to new source development; and Develop a step-wise approach to the assessment of your groundwater supply drawing on the information provided in the course’s instructional units and case studies. Upon completion of this workshop you will be able to: identify and describe well types, well design, materials used; describe how groundwater flows into a well screen; describe the meaning of the term “entrance velocity” and why it is important; describe how to determine if a well is actually deteriorating or if there are other factors effecting performance; identify and describe three key factors that may contribute to reduced well performance in addition to deterioration; describe how biofilms are formed and how they impact well productivity; identify and describe remediate techniques commonly used to control biofilms; describe three collaborative interactions in the problem solving model; describe the objectives of well cleaning; identify and describe two “mainstream” well cleaning techniques; describe how these two “mainstream” well cleaning techniques are applied; list and describe the environmental impact sources associated with wells; describe the impact of source development discharges; identify and describe three specific environmental impact considerations in the “balance” when planning well rehabilitation; identify and describe two steps needed to calculate key costs to operate an inefficient well; identify and describe two examples of inefficiency; identify and describe two actions you can take to justify the cost of well rehabilitation; identify two steps needed to calculate key costs to operate and inefficient well; list and describe two “best practices” for inspection and management; identify two key similarities between the case study well specifications and your own well; identify and describe two potential causes for reduced productivity in the case study well; describe the “law of diminishing returns;” describe how the length of time between well cleanings impacted well production; and describe how the law of diminishing returns tracks back to well data and specific capacity graphs.
Learning Outcome/Assessment Method: In addition to the course’s interactive discussions and report-outs to the overall group, a multiple choice written self-assessment of learning outcomes will be administered following completion of the morning and afternoon sessions of the course. The written assessment will be comprised of straight forward multiple choice questions covering the core content of each instructional segment (presentation) and general course information for a total of ten questions. Each multiple choice question will examine your knowledge and understanding with regard to key concepts and information presented in a given segment and the overall course. There will be no trick questions. Following the completion of each assessment, a group review of the assessment will be conducted by the course facilitators and the NEWWA Education Staff proctor. Participants will “self correct” their assessments during this review and indicate their score on the top of their answer sheets. Participants must achieve a score of 7 out of 10 correct for a “passing grade”. Answer sheets will be submitted to/reviewed by NEWWA Education Staff proctor during the course sign-out process. Any participant who does not achieve the required passing score will meet with the NEWWA Education Staff proctor for an oral review/debrief following completion of the course. This will provide learners with an opportunity to re-examine assessment questions and answers, clarify information, and develop insight into their responses. It will also provide an opportunity to access additional learning support if needed.
Technology Requirements: None

Changed at: 7/14/2016 9:15 AM Changed by: Kirsten
Created at: 4/19/2011 8:20 AM Created by: Kirsten King

New England Water Works Association   125 Hopping Brook Road   Holliston, MA   01746   PH: (508) 893-7979   FAX:(508) 893-9898

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