ATP 4-44 — Water Support Operations
ATP 4-44 governs Army and Marine Corps water support operations, including planning, organization, distribution, safety, equipment, and treatment.
- Publication number: ATP 4-44
- Title: WATER SUPPORT OPERATIONS
- Date: 07/08/2026
- Proponent: T2COM
- Status: ACTIVE
View ATP 4-44 on armypubs.army.mil
It covers water treatment, storage, transportation, supply, organizational structures, reconnaissance, distribution management, water quality, and extreme cold weather considerations. It requires potable-water certification before consumption and addresses the production, storage, and distribution of water to supported units.
Applies to: This publication has been prepared under our direction for use by our respective Service commanders and other commands as appropriate.
Topics covered
- Water treatment
- Water storage and distribution
- Water support organizations
- Water support planning
- Water reconnaissance
- Water quality standards
- Water support equipment
- Extreme cold weather operations
Questions and answers
What information does water support planning include?
Planning considerations include, but are not limited to, supported force structure, water source information (types, volume, and locations), purification and storage capabilities, and source protection. (paragraph 1-26)
Can host-nation water be assumed to be available?
Planners should not assume host-nation water is available, particularly in locations with extreme climates. (paragraph 3-117)
Who must certify water before it is consumed?
Preventive medical personnel must certify all water as potable before it is consumed, regardless of how it is packaged, produced, or procured. (paragraph 3-117)
What safety precautions apply when inspecting or maintaining the OISS?
Do not attempt inspection or maintenance while equipment is connected to a power source. (paragraph 4-8)