Regulated System Record
The current classification scoring system for the selected facility is shown below.
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LKSD Tuntutuliak Angapak School Water Treatment System |
|
Tuntutuliak |
|
LKSD Tuntutuliak Angapak SC |
|
Water Treatment |
|
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:
| Size (Peak day design capacity, gallons per day) - less than 10,000 | 1 |
| Water Supply Source - Groundwater | 2 |
| Pretreatment - Roughing filter: Non-backwashable strainer or filter | 2 |
| Adjustment and Corrosion Control - Corrosion inhibitor | 3 |
| Aeration / Ion Exchange - Aeration: Mechanical or diffused | 3 |
| Activated Carbon - Granular activated carbon contactors | 4 |
| Oxidation - Potassium permanganate | 4 |
| Coagulation - Primary coagulant | 5 |
| Flocculation - Hydraulic flocculator | 4 |
| Sedimentation - Tube settlers | 2 |
| Filtration - Membrane filtration | 8 |
| Disinfection - Liquid and powdered hypochlorites | 3 |
| Sludge Treatment - Discharge to sewer or other off-site treatment | 0 |
| Storage - Tank capacity less than 50,000 gallons | 1 |
| Storage - Pressure tanks | 0 |
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1-30 |
Class 1 |
|
31-55 |
Class 2 |
|
56-75 |
Class 3 |
|
>75 |
Class 4 |
Operators:
For more information, please review the Water and Wastewater Operator Certification
and Training Regulation (18 AAC 74).
