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: Offshore Systems Dutch Harbor Water Treatment System
Location: Dutch Harbor
Owner/Employer: Offshore Systems, Dutch Harbor
Type of Facility: Water Treatment
Classification Level: Class 2

Water 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 water treatment system. Click here to view the entire list of components for which points can be counted for water treatment. The specific components that have been recognized toward the classification of this water treatment system are as follows:

Score CategoryScore
Size (Peak day design capacity, gallons per day) - 50,001 - 100,0004
Water Supply Source - Surface water6
Pretreatment - Roughing filter: Non-backwashable strainer or filter2
Oxidation - Hydrogen peroxide5
Coagulation - Primary coagulant5
Mixing - In-line static mixers0
Filtration - Cartridge or bag filters - staged, multiple units4
Filtration - Granular media8
Disinfection - Liquid and powdered hypochlorites3
Disinfection - Additional points if hypochlorites are generated on-site2
Sludge Treatment - Discharge to sewer or other off-site treatment0
Disinfection - Ultraviolet light, for meeting required inactivation4
Storage - Water storage tank, for achieving CT3
Total46

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
Doug ElderPrimaryWT-212/31/2027No
Phillip CraryPrimaryWT-212/31/2027No

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