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2013 Water System Plan, Volume II - Seattle City Clerk's Office - City ...

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<strong>Water</strong> Treatment Chemicals<br />

February 2012<br />

Facility<br />

Tolt <strong>Water</strong> Treatment Facility<br />

Cedar <strong>Water</strong> Treatment Facility<br />

Landsburg Diversion & Pre-<br />

Treatment Facility<br />

<strong>Seattle</strong> Wells*<br />

In-Town Reservoir Treatment<br />

Facilities<br />

Chemical<br />

Liquid Oxygen<br />

Carbon Dioxide<br />

Chlorine<br />

Ferric Chloride<br />

Hydrofluorosilicic Acid<br />

Lime<br />

Cationic Polymer<br />

Anionic Polymer<br />

Sodium Bisulfite (has not been used)<br />

Sodium Hydroxide<br />

Liquid Oxygen<br />

Chlorine<br />

Lime<br />

Sodium Bisulfite<br />

Sodium Hydroxide<br />

Chlorine<br />

Hydrofluorosilicic Acid<br />

Sodium Hypochlorite<br />

Sodium Hydroxide<br />

Hydrofluorosilicic Acid<br />

Sodium Hypochlorite<br />

Salt (used for on-site hypochlorite generation)<br />

Chlorine<br />

Notes:<br />

* Indicates the facilities are only used seasonally during the high demand period. Chemicals may<br />

not be stored on site during the off season.<br />

<strong>Seattle</strong> Public Utilities Page 1 of 1 February 2012

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