EIELSON AIR FORCE BASE, Alaska -- Staff Sgt. Brad Gurley from the Base Water Treatment Plant pours a chlorine reagent powder into a vile of water to test for free chlorine, which is a disinfectant. When the water turns pink, the disinfectant is present. This is part of a Water Analysis process. Water Analyis tests for the major elements, Chlorine, Floride, Phosphate, Maganese, Iron, and PH levels, among many others present in the base distrobution system. (U.S. Air Force photo by Senior Airman Rachel Walters)

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EIELSON AIR FORCE BASE, Alaska -- Staff Sgt. Brad Gurley from the Base Water Treatment Plant tests a vile of chlorinated water in a Spectrophotometer to determine it's chlorine level, which must range between 1.0 and 1.5 milligrams per liter. This is part of a Water Analysis process. Water Analyis tests for the major elements, Chlorine, Floride, Phosphate, Maganese, Iron, and Ph levels, among many others present in the base distrobution system. (U.S. Air Force photo by Senior Airman Rachel Walters)

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EIELSON AIR FORCE BASE, Alaska -- SSgt Brad Gurley from the Base Water Treatment Plant explains that these numbers indicate the MIOX (mixed oxinate) machine's tank level of disinfectant for the base's water. If the tank level is below 180 then, the MOX must be turned on, which is all automated. This is part of a Water Analysis process. Water Analyis tests for the major elements, Chlorine, Floride, Phosphate, Maganese, Iron, and Ph levels, among many others. (U.S. Air Force photo by SrA Rachel Walters)

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EIELSON AIR FORCE BASE, Alaska -- Staff Sgt. Brad Gurley from the Base Water Treatment Facility controls the operations of the service pumps at the Base Water Plant's main control panel. The service pumps control the base water pressure and keeps the water flowing throughout the system. (U.S. Air Force photo by Senior Airman Rachel Walters)

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EIELSON AIR FORCE BASE, Alaska -- This is where the Base Water Treatment Plant begins and ends it's process to ensure quality water is flowing throughout the base's main distrobution system. Water is pumped from the base Well House (through the bottom pipeline) to 6 filters inside the plant, which filter this raw water to become treated water. Treated water (begins it's process in the top, black pipeline) goes into a clear well and is pumped out from the service pumps, and injected with disinfectant and Phosphate. Floride is then, injected at the service water line as the last process to ensure water is ready to go through the base distrobution system (treated water ends it's process at the top, black, pipeline). (U.S. Air Force photo by Senior Airman Rachel Walters)

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EIELSON AIR FORCE BASE, Alaska -- Staff Sgt. Brad Gurley from the Base Water Treatment Facility adjusts the chemical injection pump for Floride, the last process in the water treatment process. Floride levels must be 1 milligram per liter. (U.S. Air Force photo by Senior Airman Rachel Walters)

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Published May 3, 2007