Schedule of Exams
2025 NDEE Test Dates for Wastewater Treatment Facility Operators Offered by the Nebraska Department of Environment and Energy
Updated: March 2025
We offer in-person exams listed below and on-line testing is still available at PSI Testing Centers
**IMPORTANT**
Submit the completed application and citizenship attestation forms to NDEE along with your payment by check or money order to be received no later than 30 DAYS BEFORE the testing date you plan to attend. Please contact the OnSite Administrative Specialist at 402-471-4285 to assist with any exam scheduling needs. A certificate will not be given without all documentation and payment received.
| 2025 | ||||
|---|---|---|---|---|
| Date | Time | Location | Address | Maximum # allowed |
| February 20, 2025 | 9:00 am | Lincoln | Nebraska Department of Environment and Energy (NDEE) 245 Fallbrook Blvd, RM 006, Lincoln, NE | 15 |
| March 13, 2025 | 9:00 am | Hastings | Hastings Central Community College 550 S. Technical Blvd Larson Lifestyle Center, Rm TBD Hastings, NE 68901 | 30 |
| April 17, 2025* | 9:00 am | North Platte | City Training Center 720 N. Walnut Street North Platte, NE 69101 | 26 |
| May 22, 2025 | 9:00 am | Grand Island | Grand Island Wastewater Treatment Plant (WTTF) 508 S. Shady Bend Road, Grand Island, NE 68801 | 20 |
| June 12, 2025* | 9:00 am | Lincoln | NDEE 245 Fallbrook Blvd, RM 006 Lincoln, NE | 15 |
| June 26, 2025 | 9:00 am | Wahoo | Wahoo Public Library 637 N. Maple ST | 20 |
| July 18, 2025 | 9:00 am | Kearney | Heartland Conference Holiday Inn 110 2nd Ave Kearney, NE 68847 | 20 |
| August 28, 2025* | 9:00 am | Lincoln | NDEE 245 Fallbrook Blvd, RM 006 Lincoln, NE | 15 |
| October 16, 2025 | 9:00 am | Norfolk | Northeast Community College Lifelong Learning Center Bldg., Rm TBD | 20 |
| November 20, 2025 | 9:00 am | Grand Island | Grand Island WWTF 508 S. Shady Bend Road Grand Island, NE 68801 | 20 |
* Exam dates with an asterisk indicate that the exam will follow a training event. Attending the training is not required to take the exam. However, professionals must apply for the training and the exam separately if they wish to participate in both.
Please review EXAM SITE policy information BELOW:
| Examination Site Policy |
|---|
| Candidates are asked to follow the facility policy regarding mask wear. |
| Photo identification required |
| Please bring a calculator (non-graphical & non-programmable) |
| Exams are closed-book |
| ABC Formula Conversion Table, scratch paper, and pencils are provided |
| No reference material is allowed into the examination site |
Examinees are forbidden to copy, record and/or otherwise take exam content material from the examination site.
Contact NDEE | ||
|---|---|---|
| Exam Coordinator | Op. Cert. Program Desk | NDEE Main Phone |
| 402-471-4244 | 402-471-4285 | 402-471-2186 |
| The NDEE is a Testing Service Partner with the Association of Boards of Certification (ABC; www.abccert.org*) and administers the Nebraska Wastewater Operator Certification using ABC customized exams. More information is available on the Wastewater Treatment Facility Operator Certification Program webpage. See ABC webpage (www.abccert.org*) for additional information and study guide references (including formula/conversion table). | ||
| Description | Current Fee * |
| Test | $150.00 |
| Retest | $125.00 |
* Fees are nonrefundable.
**IMPORTANT**
Submit the completed application and citizenship attestation forms to NDEE along with your payment by check or money order to be received no later than 30 DAYS BEFORE the testing date you plan to attend.
Make checks payable to the Nebraska Department of Environment and Energy.
Mail your completed forms and fees to:
Nebraska Department of Environment and Energy
P.O. Box 98922
Lincoln, NE 68509-8922
If you have questions please call the NDEE Operator Certification Program at 402.471.4244.
Forms are available from the NDEE website.
Please bring a non-programmable, non-graphical calculator to the testing site along with your photo ID.
Use of a cell phone, cell phone calculator, or any device capable of taking pictures or copying any materials during the exam is not allowed.
NDEE contracts with the Association of Boards of Certification (ABC) to provide legally defensible and nationally accredited wastewater operator certification exams. More information about ABC can be found at https://www.gowpi.org/ .