Print Page | Contact Us | Report Abuse | Sign In | Register
Share |


Class/Grade I & II Math Review #91963 (a 2-Day course)

Class Description:
Join us for a refresher course designed to help water and wastewater professionals improve their basic math skills. Are you preparing for a water or wastewater certification exam? If so, this course is for you! We will review the basic mathematical concepts to rearrange equations, make conversions and accurately solve word problems. In addition, we will practice calculating area, volume, detention time, removal efficiencies, flow, chemical feed rates, motor/pump/wire to water efficiencies and much, much more.

Dates: November 5 & 7, 2019 (Snow Date - November 8, 2019

Bangor Water District
614 State Street
Bangor, ME 04401

: 8:00 am – 8:15 am

Class Time:  
8:15 am – 2:15 pm (includes two 15-minute breaks and a half-hour lunch break)

Class Fee:  
$150 per attendee
(This class is funded through USEPA and MRWA. The participant fee reflects the expenses incurred in the development, preparation and presentation of this seminar, as well as ancillary expenses such as administrative time.)

State Agency Approval:
Maine BLWSO: 10.0 TCHs for Water Operators (303-1902-MRW)
Maine DEP: 10.0 TCHs for Wastewater Operators (MRWA-531-WW-10)

(excludes registration and break)

Kathy Martel, P.E.,  is a registered professional engineer with more than 30 years of experience in the drinking water industry. She does sanitary surveys of public water systems and has worked with many utilities on projects. She provides technical support to USEPA on evaluating existing drinking water regulations and identifying needs for new regulations. She has written many guidance manuals and research reports for EPA and other private entities on maintaining water quality in distribution systems and managing aging infrastructure. Kathy has a Master’s degree in Environmental Engineering.


Biochemical Oxygen Demand (BOD) #91978

Class Description:
This training class will cover BOD and the impact on process, procedure, and quality assurance/quality control. 

This workshop will address:
     What is BOD
          - Components
          - Source

     Impacts on Process
          - Oxygen demands and Soluble vs. Insoluble
     BOD Procedures
          - Sampling
          - Sample preservation & pretreatment   
          - Seeding
          - Dilution
          - Instrument calibration
          - Calculations

     Quality Assurance/Quality Control
          - SOPs, interference, blanks
          - Standard and equipment criteria
          - Control charts and detection levels

Date: November 20, 2019

Bangor Water District
614 State Street
Bangor, ME 04401

Registration Time: 8:00 am - 8:15 am

Class Time: 8:15 am - 2:15 pm
(includes one 15-minute break and a lunch break. Lunch is included!)

Class Fee: FREE
(This class is funded through USDA and MRWA)

State Agency Approval:
Maine DEP: 5.0 TCHs for Wastewater Operators (MRWA-580-WW-5)

Instructor: Janet Abrahamson, Circuit Rider, MRWA
Ms. Abrahamson has over 30 years experience in the wastewater industry. She has a bachelor's degree in Chemistry and assists wastewater systems all over the State of Maine.



We continue to hear from many of you looking for our most recent classes or for specific classes in your area. Please give us a call at (207) 737-4092 with all your training requests, suggestions, and ideas. We are working on finalizing the last few details on the classes listed below, and then we will open registrations for each class, where you may register online.

Class Name



Class I & II Distribution Cert Exam Prep – 4-Day Course

January 21, 23, 28, 30, 2020


39 Annual Technical Conference & Trade Show
Registration is now Open!

December 10-12, 2019

Cross Insurance Center Bangor

Class II Treatment Cert Exam Prep – 4-Day Course

January 7, 9, 14, 16, 2020


Introduction to Technology: Your Computer & Excel for WW Operators

January/February 2020

Will be held at 6
locations throughout Maine


Class III & IV Treatment Cert Exam Prep – 4-Day Course

April 2020


Class III & IV Distribution Cert Exam Prep – 4-Day Course

April 2020


MRWA is a fully approved ME Department of Environmental Protection and Maine BLWSO training provider.



Individuals registered for one of MRWA's training classes or seminars will be charged the class fee if we have not received notice of cancellation at least five (5) business days prior to the event. Anyone contacting MRWA to cancel enrollment from a class will receive a cancellation number. In the event of an emergency, which would prevent attendance, please contact the office or Kathleen Brill at 207-737-4092 as soon as possible.