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: Craig Wastewater Treatment System
Location: Craig
Owner/Employer: Craig, 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) - 500,001 - 1,000,00012
Pretreatment - Manually cleaned screens1
Pretreatment - Fine screens, including microscreens3
Pretreatment - Grit removal2
Primary Treatment - Primary clarifiers4
Sludge Thickening and Dewatering - Sludge decant tank2
Sludge Thickening and Dewatering - Belt filter press, plate-and-frame press, or vacuum filter8
Sludge Stabilization and Conditioning - Chemical stabilization with lime3
Solids Disposal - Off-site disposal1
Effluent Discharge - Plant pumping of effluent2
Total38

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
David NelsonPrimaryWWT-212/31/2025Yes
Jose CerveraPrimaryWWT-212/31/2027No
Tony NelsonPrimaryWWT-112/31/2026No
Andrew LillorenPrimaryWWT-112/31/2026No

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