New Mexico Environment Department Water Operator Training


On behalf of the New Mexico Environment Department Drinking Water Bureau (NMED DWB), DBS&A is offering the following Water Chemistry, Ground Water Hydrology and Wells, Distribution System Management, Understanding Disinfection/Breakpoint Chlorination, CT Theory and Application, Revised Total Coliform Rule, Water System Sampler Certification, Pumps and Motors, Operator Math and SDWA Rules and Regulations Overview training classes for free throughout New Mexico.

New Mexico-registered Professional Engineer, and a State of New Mexico-certified Drinking Water System Operator and Sampler and Training Specialist, Peter Nathanson, P.E., will be teaching upcoming NMED DWB operator certification and continuing education courses. He has been providing water and wastewater training and technical assistance to municipalities, small, rural, and Native communities throughout New Mexico and Alaska since August 2001.  Most recently he served as the Technical Services Manager for the NMED DWB.  Prior to that Peter was an assistant professor in the Water Technology Program at the Doña Ana Community College in Las Cruces, New Mexico, and a trainer for the New Mexico Rural Water Association.

The training is sponsored by NMED DWB and conducted by DBS&A. All sessions are FREE, unless otherwise stated, and open to any public water system staff and operators.

Registration is required*

To register, or cancel an existing registration, contact Nancy Rebarchik at or (505) 353-9013.

*A minimum number of participants is required for the class to move forward as scheduled.   If the minimum is not met by the Thursday before the classes are to begin, the classes will be cancelled and registrants notified.

Current Trainings

Links to the training announcements, presentations, handouts, and other class material are provided below; click on the + to expand the folders. Presentations are not required to be printed and brought to class, however, ALL handouts referenced on the specific training announcement should be printed and brought to class. Hardcopies will no longer be provided. Links are also provided on the individual training announcements.



    Revised Total Coliform Rule (RTCR) (April 23, 2019)
    Advanced Water Treatment (April 24, 2019)
    CT Theory and Application (April 25, 2019)
    Operator Math (May 1, 2019)
    Chlorine Contact Time (CT) Theory (May 2, 2019)
    Pumps & Motors (May 3, 2019)
    Water System Sampler Training (WSST) (January 8, 2019)
    PLANS (Emergency Response and Operations and Maintenance Plans) (January 9, 2019)
    Water Loss Audits (January 10, 2019)
     Water System Sampler Training (WSST) (February 26, 2019)
    PLANS (Emergency Response and Operations and Maintenance Plans) (February 27, 2019)
    Water Loss Audits (February 28, 2019)
    Operator Math (March 5, 2019)
    Chlorine Contact Time (CT) Theory (March 6, 2019)
    Pumps & Motors (March 7, 2019)


     Operator Math (December 6, 2018)
     Distribution Systems, Pumps & Motors, and Groundwater Hydrology & Wells (December 5, 2018)
     Operator Cert. Program Facts, Basic Water Chemistry, SDWA Regs Overview, Breakpoint Chlorination (December 4, 2018)
     Chlorine Contact Time (CT) (November 29, 2018)
     Water Chemistry, Groundwater Hydrology & Wells, and Distribution Systems (November 28, 2018)
     Water System Sampler Training (WSST) (November 27, 2018)
     Revised Total Coliform Rule (RTCR) (October 4, 2018)
     Chlorine Contact Time (CT) (October 3, 2018)
     Water Chemistry, Groundwater Hydrology & Wells, and Distribution Systems (October 2, 2018)
     Pumps & Motors, Groundwater Hydrology & Wells, and Operator Math (September 27, 2018)
     Water System Sampler Training (WSST) (September 26, 2018)
     Water Chemistry, Breakpoint Chlorination, Distribution Systems (September 25, 2018)


Concentration-Time (CT)
    CT WorkSheet and Tables
    Documentation of Chlorine Inactivation Level 092916
    EPA CT Tables
    Log Removal Graph
    Table of Log Removal
    Drinking Water Tech Tips for Surveyors: Chlorine Contact Time for Small Water Systems
Distribution Systems Maintenance
      Asset Management IQ Quiz
      COA Thrust Block Detail
Pumps & Motors
      Hazen Williams Head Loss and Velocity Table
      Model DB2
      Model DB3
      Model 8H-1000 Performance Characteristics
      Model 8H-1000 Performance Characteristics
      Model S6-290 Performance Characteristics
      Nomograph 2016
      Pump Curve Example
      85 GPM Performance Curves
      385 GPM Performance Curves
      800 GPM Performance Curves
Water Loss Handouts
      A#1 Rockville Water Supply Corporation Background Information
      A#1 Software Exercise Results
      A#2 Data Validity Applied Activity
      A#2 Data Validity Exercise Results with Data Grades
      A#2 Data Validity Exercise without Data Grades
      A#2 Data Validity Exercise Trainer Notes
      A#2 Data Validity Exercise
      A#3 Real Loss Leakage Component Analysis Applied Activity
      A#3b Leakage Component Analysis Exercise
      A#4 Toolbox Decision Applied Activity
      A#4 Toolbox Decision Exercise Trainer Notes
      A#4 Toolbox Decision Exercise
      Vertical Validity Matrices
Water System Sampler Training (WSST)
      Required Items to be Filled Out on Chain-of-Custodies
      TC COC Template
     Acronym List
     NMED District 1 Office Map
     ABCWUA Office Map


Educational Offerings

DBS&A’s professionals can create and present a short course or workshop for your organization’s members. Past workshops include:

  • “Water Well and Recharge Workshop” for Water Utilities.
  • “Water Balance Covers for Landfills, Waste Repositories and Mine Waste: Design, Modeling, Construction, and Monitoring” for the U.S. Environmental Protection Agency.
  • “Technology Symposium on Water Reuse and Advanced Water Treatment Technologies” with Air Products.
  • “Evapotranspiration Covers: Assessment and Design Techniques” with PhytoLink Australia Pty. Ltd.
  • “The Art of Water Supply”  (An introduction to the science, engineering, and other components involved in identifying, developing, and securing our clients’ future water supply. Designed for managers and operators from municipalities, water districts, and public utilities, and previously presented to New Mexico Office of the State Engineer and the New Mexico Finance Authority.)
  • “Rural Water Workshop” for the New Mexico Rural Water Association.
  • “Principles of Vadose Zone Hydrology” for various organizations.

In addition, DBS&A professionals frequently present at conferences hosted by organizations such as:

  • American Water Resources Association
  • American Water Works Association
  • Rocky Mountain Water Environment Association
  • American Institute of Professional Geologists
  • American Planning Association
  • National Ground Water Association
  • International Network of Environmental Forensics
  • Soil Science Society of America

If you are interested in DBS&A presenting a short course or workshop, please contact:

Janet Wolfe, CPSM
(505) 822-9400