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: Mendenhall Wastewater Treatment System
Location: Juneau
Owner/Employer: Juneau, City of
Type of Facility: Wastewater Treatment
Classification Level: Class 3

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) - 1,000,001 - 5,000,00016
Pretreatment - Influent pumping2
Pretreatment - Fine screens, including microscreens3
Pretreatment - Grit removal2
Secondary Treatment - Activated sludge: Sequencing batch reactor (SBR), intermittent cycle extended aeration system (ICEAS), or other batch treatment method 20
In-plant Odor Control - Adsorption with activated carbon or equal adsorbent3
Sludge Thickening and Dewatering - Belt filter press, plate-and-frame press, or vacuum filter8
Sludge Thickening and Dewatering - Sludge bagger3
Solids Disposal - Off-site disposal1
Disinfection - Ultraviolet light3
Other Treatment - Other wastewater treatment10
Total71

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 DiamondSecondaryWWT-212/31/2027No
David MillerPrimaryWWT-312/31/2026No
Ryan HosmanSecondaryWWT-412/31/2026No
Catherine CarlsonSecondaryWWT-312/31/2026No
Erin VeterPrimaryWWT-212/31/2026No
Walter PrussingPrimaryWWT-212/31/2027No
Ruth BellUnknownWWT-312/31/2026No
Jedidiah BellPrimaryWWT-112/31/2028No
Jimmy DiamondPrimary   
Collin SielbachPrimaryWWT-Provisional12/31/2025Yes

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