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Contact WPI

9400 Plum Drive, Suite 160
Urbandale, IA 50322
Phone +1 (515) 232-3623
Send an email

MENU

About WPI
Contact WPI
PO
Prepare for your WPI Exam
Make a Payment
Log In
Facebook Twitter Linkedin Youtube Instagram
  • TESTING SERVICES
    • Information for Testing Clients
      • Exam Validation
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  • TESTING SERVICES
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    • Examination Resources
      • Information for Examinees
      • Study Guides
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      • Need-to-Know Criteria
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  • CERTIFICATION
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Awards

  • Jeff Oxenford
  • James W. Grassiano
  • Mike Gosselin, PO
  • Caribbean Water & Sewerage Association
  • Ignatius Jean
  • Harris F. Seidel
  • Glenn R. Greve
  • Terry M. Regan
  • Jane Winkler
  • Dr. Kenneth D. Kerri award: Dr. Ramzi J. Mahmood
  • American Water Works Association, Water Environment Federation
  • Dr. John Rowe
  • Steven D. Wilson
  • Dr. Gregory Boardman
  • Dennis Royal Smith, PO
  • LeAnna Risso, PO
  • Robert Hoyt
  • Andrew (Andy) O’Neill, PO
  • Ray Olson
  • Dr. Pamela Murawski, Ari Copeland, PO
  • John Solvie, Margaret Doss, PO
  • Peggy Barton
  • “The Math Squad” – Andrew Houlihan, Chris Kerman, AScT, PO, LeAnna Risso, PO, Margaret Doss, PO
  • Cheryl Capron, PO
  • Paul Krauth
  • Lonn Rasmussen, PO
  • Brian Thorburn, PO
  • Margaret Doss
  • Jack Vanderland
  • Laurie Sharp
  • William “Bill” Hyslop
  • Jenny Chambers
  • Chris Wisniewski
  • Collection, Distribution, Water Treatment, & Wastewater Treatment V&E Committees
  • Harris F. Seidel
  • Chuck Van Der Kolk
  • WPI Cross-Connection Control Validation and Examination Committee
  • Jess Jones
  • Martin Nutt
  • Chris McCord
  • Mary Howell
  • Raymond G. Olson
  • Bridget O’Grady
  • Mike Gosselin, PO
  • Chuck Van Der Kolk, HPO
  • David Flowers
  • Chip Mackey
  • John Solvie
  • Robert “Bob” Hoyt
  • Cheryl Bergener
  • Margaret Doss
  • Kim Dyches
  • Howard Hendrickson
  • Peg O’Donnell
  • Peggy Barton
  • Ernest U. Earn
  • Gerald Samuel
  • Bob Hegg
  • John Scheltens
  • David Rossiter
  • James L. Current
  • Alva Storey
  • Robert McAnespie
  • Donald Razy
  • J. Andre Provencial
  • Robert Briggs
  • Clarence Sherer
  • Daniel Campbell
  • Terry Regan
  • Kenneth Kerri
  • Joseph Hanlon
  • Robert Wubbena
  • A.H. Paessler
  • Grant Borg
  • Roy Dodson
  • Robert Leaver
  • William Hasfurther
  • Ralph Soule
  • Julian Fleming, Allen Jones, and Don Pierce
  • George Burke and Walter Weers
  • Andrew Barienbrock
  • James (Jim) W. Grassiano
  • Kalpna Solanki
  • Brian Bennon
  • Rachel Neville, Tanya Hunter
  • Ken Smith
  • Martin Nutt
  • Brian Gildner
  • Jennifer McMartin
  • Judy Carter
  • Kathy Abramowski
  • Laurie Sharp
  • Bill Hyslop
  • Jenny Chambers
  • Louise Cordova
  • Shirley J. Quick
  • Kathleen M. Cook
  • Cheryl L. Bergener
  • Robert W. Rivard
  • Joseph Nestico
  • Larry Fox
  • Cynthia Finan
  • Gerald Samuel
  • Colorado Certified Water Professionals and Water and Wastewater Facility Operators Certification Board
  • Alabama Water & Wastewater Operation Certification Program
  • Alberta environment and Parks Operator Certification
  • ITCA National Tribal Operator Certification Program
  • EOCP (Kalpna Solanki, Heather Reynolds, Stephanie Hall, Brian Dean, Mike Firlotte, and Rob Fleming)
  • Iowa Operator Certification Program
  • Massachusetts Board of Certification of Operators of Drinking Water Supply Facilities
  • Ontario Water and Wastewater Operator Certification Program
  • Ohio Environmental Protection Agency (EPA)
  • United South & Eastern Tribes, Inc. (USET)
  • NC AWWA-WEA Maintenance Technologist Training and Certification Program
  • Alaska Department of Environmental Conservation
  • Massachusetts Department of Environmental Protection & Department of Professional Licensure
  • New Brunswick Department of Environment
  • New Mexico Utility Operator Certification Program
  • New York State Department of Health Bureau of Water Supply Protection Operator Certification Program
  • Colorado Water and Wastewater Facility Operators Certification Board
  • Connecticut Department of Public Health Drinking Water Division Operator Certification Program
  • Georgia State Board of Examiners for Certification of Water and Wastewater Treatment Plant Operators and Laboratory Analysts
  • North Carolina Division of Water Quality Technical Assistance and Certification Unit
  • Montana Water and Wastewater Operator Certification Program
  • Utah Wastewater Operator Certification Program
  • State of Louisiana Committee of Certification for Water and Wastewater Operators

Aha Moments Feed

  • Jenny Strobel
  • Terry Highsmith
  • Megan Brech
  • Larisa Oringdulph
  • Phillip A. Thompson-King
  • Phillip A. Thompson-King
  • Tessa Scheuer
  • Kim Eames
  • Kim Eames
  • Megan Brech
  • Tessa Scheuer
  • Jessica Morgan
  • Somto Ufondu
  • Brandi Adams
  • Danielle Manscill
  • Terry Highsmith
  • Danielle Manscill
  • Somto Ufondu
  • Kim Parker
  • Somto Ufondu
  • Somto Ufondu
  • Courtney Lee
  • Megan Brech
  • Kim Eames
  • Kim Eames
  • Megan Brech
  • Ignatius Jean
  • Margaret Doss
  • Cheri
  • Megan Brech
  • Brandi Adams
  • Jennifer Mason
  • Megan Brech
  • Kim Eamed
  • Jennifer Mason
  • Cheri
  • Tessa Scheuer
  • Courtney Lee
  • Ignatius Jean
  • Ashley Jacobson
  • John Solvie
  • Alan Dillon

Data Listings

  • Emily Pautsch
  • Haley Vanness
  • James Hilchen
  • Kelly McCord
  • Tom Healy
  • Paul D. Bishop, CAE
  • Water Laboratory Analyst IV Reciprocity
  • Water Laboratory Analyst III Reciprocity
  • Water Laboratory Analyst II Reciprocity
  • Water Laboratory Analyst I Reciprocity
  • Wastewater Treatment IV Reciprocity
  • Wastewater Treatment III Reciprocity
  • Water Treatment IV Reciprocity
  • Water Treatment III Reciprocity
  • Water Treatment II Reciprocity
  • Water Treatment I Reciprocity
  • Physical/Chemical Industrial Waste IV Reciprocity
  • Physical/Chemical Industrial Waste III Reciprocity
  • Physical/Chemical Industrial Waste II Reciprocity
  • Physical/Chemical Industrial Waste I Reciprocity
  • Wastewater Laboratory Analyst IV Reciprocity
  • Wastewater Laboratory Analyst III Reciprocity
  • Wastewater Laboratory Analyst II Reciprocity
  • Wastewater Laboratory Analyst I Reciprocity
  • Plant Maintenance III Reciprocity
  • Plant Maintenance II Reciprocity
  • Plant Maintenance I Reciprocity
  • Distribution IV Reciprocity
  • Distribution III Reciprocity
  • Distribution II Reciprocity
  • Distribution I Reciprocity
  • Wastewater Treatment II Reciprocity
  • Wastewater Treatment I Reciprocity
  • Very Small Water System Reciprocity
  • Biosolids Land Appliers II Reciprocity
  • Biosolids Land Appliers I Reciprocity
  • Biological Industrial Waste IV Reciprocity
  • Biological Industrial Waste III Reciprocity
  • Biological Industrial Waste II Reciprocity
  • Biological Industrial Waste I Reciprocity
  • Collection IV Reciprocity
  • Collection III Reciprocity
  • Collection II Reciprocity
  • Collection I Reciprocity
  • Small Wastewater System Reciprocity
  • Collection III
  • Wastewater Treatment IV
  • Wastewater Treatment III
  • Wastewater Treatment II
  • Wastewater Treatment I
  • Wastewater Treatment OIT
  • Small Wastewater System
  • Water Treatment IV
  • Water Treatment III
  • Water Treatment II
  • Water Treatment I
  • Water Treatment OIT
  • Wastewater Laboratory Analyst IV
  • Wastewater Laboratory Analyst III
  • Wastewater Laboratory Analyst II
  • Wastewater Laboratory Analyst OIT
  • Water Laboratory Analyst IV
  • Water Laboratory Analyst III
  • Water Laboratory Analyst II
  • Water Laboratory Analyst I
  • Water Laboratory Analyst OIT
  • Plant Maintenance III
  • Plant Maintenance II
  • Plant Maintenance I
  • Plant Maintenance OIT
  • Distribution IV
  • Distribution III
  • Distribution II
  • Distribution I
  • Distribution OIT
  • Collection II
  • Collection I
  • Collection OIT
  • Biosolids Land Appliers II
  • Biosolids Land Appliers I
  • Biosolids Land Appliers OIT
  • Biological Industrial Waste IV
  • Biological Industrial Waste III
  • Biological Industrial Waste II
  • Biological Industrial Waste I
  • Biological Industrial Waste OIT
  • Physical/Chemical Industrial Waste III
  • Physical/Chemical Industrial Waste II
  • Physical/Chemical Industrial Waste I
  • Physical/Chemical Industrial Waste OIT
  • Wastewater Laboratory Analyst I
  • Physical/Chemical Industrial Waste IV
  • Collection IV
  • Very Small Water System

Certification Contacts

  • Missouri Department of Natural Resources
  • West Virginia Department of Health & Human Resources Certification & Training Program
  • Texas Commission on Environmental Quality, Occupational Licensing Section
  • US Army Corps of Engineers
  • Wyoming Department of Environmental Quality
  • Wisconsin DNR - Operator Certification Program - Drinking Water
  • Water Resources Program at the Washington State Department of Ecology
  • Washington Landfill & Incinerator Operator Certification Program
  • Washington Certification Services, on behalf of Washington Dept. of Health - Office of Drinking Water
  • State of Washington Department of Ecology
  • Washington Dept. of Health - Office of Drinking Water
  • Vermont Wastewater Facility Operator Certification Program - Vermont Office of Professional Regulation
  • Vermont Dept of Environmental Conservation Drinking Water & Groundwater Protection Division
  • Virginia Board for Waterworks & Wastewater Works Operators & Onsite Sewage System Professionals - Virginia Department of Professional and Occupational Regulation
  • Utah Wastewater Operator Certification Program
  • USET - United South & Eastern Tribes, Inc. Certification Board
  • Texas Water Utilities Association Laboratory Analysts
  • Tennessee Cross-Connection Control Certification Program - Division of Water Resources
  • Water Security Agency
  • South Dakota Operator Certification Program
  • Water Environment Association of South Carolina
  • South Carolina Environmental Certification Board
  • Rocky Mountain Water Environment Association
  • Rocky Mountain Water Quality Analyst Association
  • Rhode Island Drinking Water Operators Certification Board
  • Prince Edward Island Environment, Energy and Climate Action Drinking Water and Wastewater
  • Oregon Department of Environmental Quality - Wastewater Operator Certification
  • Oregon Health Authority Drinking Water Program
  • Ontario Water & Wastewater Operator Certification Program
  • Oklahoma Water Environment Association
  • Ohio Environmental Protection Agency Division of Drinking and Ground Waters
  • Ohio Water Environment Association
  • New York Water Environment Association
  • New York Department of Environmental Conservation - Operators of Wastewater Plants
  • Nevada Division of Environmental Protection, Bureau of Safe Drinking Water
  • Nevada Water Environment Association
  • Government of the NW Territories, Dept. of Municipal and Community Affairs
  • Navajo Nation EPA
  • Commonwealth of Northern Mariana Islands
  • New Mexico Environment Department - Drinking Water Bureau
  • UNM Center for Water & Environment & Southwest Environmental Finance Center
  • New Jersey Water Supply & Wastewater Operators Board of Examiners
  • New Hampshire Department of Environmental Services: Drinking Water & Groundwater Bureau
  • Newfoundland Department of Environment & Climate Change
  • NEWWA-New England Water Works Association
  • Nebraska Wastewater Operator Certification Program
  • North Carolina American Water Works Association & Water Environment Association
  • New Brunswick Department of Post-Secondary Education, Training and Labour Apprenticeship and Occupational Certification Branch
  • Native American Water Association
  • Montana Department of Environmental Quality - Operator Certification Program
  • Mississippi Department of Environmental Quality
  • Mississippi State Department of Health Bureau of Public Water Supply
  • Missouri Water Environment Association
  • Minnesota Department of Health
  • Maine Wastewater Operator Certification Program
  • Maine Board of Licensure of Water System Operators
  • Maryland Department of the Environment Water Supply Program
  • Manitoba Conservation and Climate
  • Massachusetts Board of Certification of Operators of Wastewater Treatment Facilities
  • Massachusetts Board of Certification of Operators of Drinking Water Supply Facilities
  • Kentucky Water and Wastewater Operators' Association, Inc.
  • Kansas Dept of Health and Environment, Bureau of Water
  • Kansas Water Environment Association Voluntary Certification Program
  • Inter-Tribal Council of Arizona, Inc.
  • Indiana Water Environment Association
  • Idaho Division of Occupational and Professional Licenses
  • Iowa Water Environment Association
  • Iowa Department of Natural Resources Water Quality Bureau - Drinking Water & Wastewater Treatment Operator Certification Program
  • Hawaii State Department of Health Wastewater Branch
  • Hawaii Department of Health, Safe Drinking Water Branch
  • Guam Environmental Protection Agency
  • Georgia Association of Water Professionals
  • Georgia State Board of Examiners for Certification of Water & Wastewater Treatment Plant Operators and Laboratory Analysts
  • Connecticut Department of Energy and Environmental Protection, Bureau of Water Protection and Land Reuse
  • Connecticut Department of Public Health, Drinking Water Section
  • Colorado Water & Wastewater Facility Operators Certification Board (WWFOCB)
  • California-Nevada Section, AWWA Certification Program
  • Caribbean Water and Sewerage Association Inc (CAWASA)
  • Environmental Operators Certification Program
  • City of Phoenix Water Services
  • Arizona Operator Certification Program - Arizona Department of Environmental Quality
  • Arkansas Water Environment Association
  • Arkansas Department Energy & Environment, Div. of Environmental Quality
  • Arkansas Drinking Water Advisory and Operators Licensing Committee
  • Alabama Department of Environmental Management
  • Alaska Department of Environmental Conservation
  • Alberta Environment and Parks

About Us

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Services

  • Small Wastewater System Operator Exam References
  • Physical Chemical Industrial Waste Treatment Operator Exam References
  • Standardized Wastewater Collection Operator Exams
  • Formula/Conversion Tables
  • Standardized Water Treatment Operator Exams
  • Standardized Water Distribution Operator Exams
  • Standardized Wastewater Treatment Operator Exams
  • Examination Study Resources
  • WBT Demo & Sample Exam Questions
  • Information for Examinees
  • ABC Testing
  • FAQ
  • Study Guide
  • Need-to-Know Criteria
  • Exam Delivery & Reporting
  • Exam References
  • Exam Development Option
  • Exam Validation
  • Computer-Based Testing Demo
  • Examination Resources
  • Standardized Exams
  • Testing Options
  • Very Small Water System Operator Exam References
  • Biosolids Land Applier Exam References
  • Backflow Prevention Assembly Tester Exam References
  • Plant Maintenance Technologist Exam References
  • Wastewater Laboratory Analyst Exam References
  • Water Laboratory Analyst Exam References
  • Water Distribution Operator Exam References
  • Biological Industrial Waste Treatment Operator Exam References
  • Wastewater Collection Operator Exam References
  • Wastewater Treatment Operator Exam References
  • Water Treatment Operator Exam References
  • Information for Testing Clients
  • Testing Introduction for Examinees
  • Information for Testing Clients
  • WPI Certification Program Frequently Asked Questions
  • Course Reviewer Biographies
  • Review Criteria
  • Submit a Course
  • Renew Your WPI Certification

Download Categories

  • Annual Reports
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  • Water Treatment

Download Tags

  • 5-9-2023
  • Need to Know

Award Types

  • Certification Program Award
  • Dr. Kenneth D. Kerri Excellence in Workforce Development Award
  • Founder’s Award
  • Harris F. Seidel Lifetime Achievement Award
  • Jess Jones Excellence in Service Award
  • Lifetime Service Award
  • Robert C. McAnespie Outstanding Certification Officer Award

Data Type

  • Biological Industrial Waste
  • Biological Industrial Waste Reciprocity
  • Biosolids Land Appliers
  • Biosolids Land Appliers Reciprocity
  • Certification Through Examination
  • Certification Through Reciprocity
  • Collection
  • Collection Reciprocity
  • Distribution
  • Distribution Reciprocity
  • Physical/Chemical Industrial Waste
  • Physical/Chemical Industrial Waste Reciprocity
  • Plant Maintenance
  • Plant Maintenance Reciprocity
  • Small Wastewater System
  • Small Wastewater System Reciprocity
  • Very Small Water System
  • Wastewater Laboratory Analyst
  • Wastewater Laboratory Analyst Reciprocity
  • Wastewater Treatment
  • Wastewater Treatment Reciprocity
  • Water Laboratory Analyst
  • Water Treatment
  • Water Treatment Reciprocity
  • WPI Staff

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Upcoming Events

WPI will be hosting a POWER event in San Antonio, Texas June June 13th at AWWA’s ACE22 where we will be honoring the most recent PO Certifications in a pinning ceremony.  Contact us if you would like us to honor YOU.

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9400 Plum Drive, Suite 160
Urbandale, IA 50322
Phone +1 (515) 232-3623
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