Alaska Certified Water/Wastewater Operator Database
Regulated System Record

The current classification scoring system for the selected facility is shown below. You may also return to search results.

Facility Name: Nenana Wastewater Treatment System
Location: Nenana
Owner/Employer: Nenana, City of
Type of Facility: Wastewater Treatment
Classification Level: Class 2

Wastewater treatment systems are classified according to a point rating system. Point values are recognized for each of the various components found in a treatment plant. Points are totaled once all components have been recognized. The total number of points determines the classification of the wastewater treatment system. Click here to view the entire list of components for which points can be counted for wastewater treatment. The specific components that have been recognized toward the classification of this wastewater treatment system are as follows:

Score CategoryScore
Size (Peak day design capacity, gallons per day) - 50,001 - 100,0004
Pretreatment - Flow equalization basin1
Pretreatment - Fine screens, including microscreens3
Secondary Treatment - Rotating biological contactor10
Secondary Treatment - Secondary clarifiers4
Sludge Stabilization and Conditioning - Aerobic digestion5
Solids Disposal - Off-site disposal1
Disinfection - Liquid and powdered hypochlorites3
Total31

Total Score    System Classification
1-30 Class 1
31-55 Class 2
56-75 Class 3
>75 Class 4

Operators:
NameRoleCert. LevelExpiration DateCEU Req. Met
Clinton BerryPrimaryWWT-112/31/2027No

For more information, please review the Water and Wastewater Operator Certification and Training Regulation (18 AAC 74).
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