a. Mark the water source, using the standard NBC contamination markers, and ensure that personnel do not consume the water until approved.
b. Notify the commander that the water source is contaminated and unfit for drinking, food preparation, and personal hygiene.
c. Notify the supporting water production unit, such as the quartermaster water production and distribution unit of the contaminated water source.
d. The commander establishes safeguards to prevent personnel from using the contaminated water supply.
e. An alternative source of uncontaminated water is sought and used. The primary source for obtaining water is from quartermaster-operated water production and distribution points. Other sources are considered only when quartermaster-operated faculties are not available. Alternative sources that may be considered include—
- Ground water sources that are least likely to be contaminated.
- Local fixed facility water supplies. However, these supplies must be tested before use. If NBC contamination is found do not use.
- Using another location to obtain an uncontaminated water source, when the tactical situation permits.
f. Contaminated water must not be used until it has been treated by quartermaster water production and distribution units or other equally capable water purification units and approved for use by the medical authority.
I-4. Treatment of Contaminated Water
Contaminated water requires additional equipment and supplies to remove the contamination. Quartermaster water purification and distribution units are equipped to perform these duties. See FM 10-52 for details.