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AMedP-4.9

AMedP-4.9 water quality during operations

Contractors, national military authorities and units producing, testing or supplying water to NATO forces on operations

NATO's minimum water-quality and monitoring requirements for deployed forces, covering bulk, packaged and bottled water and personal sanitation use.

Edition
B
Published
2022-10
Evaluated by
accredited-body

What it is

AMedP-4.9, "Requirements for water quality during operations", is the NATO Allied Medical Publication setting minimum requirements for the water supplied to deployed forces. Nations agree to use it through STANAG 2136, and this edition - Edition B, version 1, promulgated in October 2022 - supersedes Edition A. NATO publishes it free of charge through the NATO Standardization Document Database; we do not hold or sell a copy. Its own stated aim is threefold: a standardised approach for ensuring water quality, minimum requirements and maximum levels for what the water can contain, and a minimum testing capability that has to exist in the field.

Four categories of water, not one standard

The document does not treat "water" as a single case. Bulk water is water moved and stored in volume, including through fixed waterworks, and it is judged against a different bar depending on the situation: a routine situation, secured by an ongoing water safety plan, or an emergency situation - an exceptional case where hostile activity or another severe, unforeseeable condition stops water that meets the routine bar being produced or resupplied in time. Packaged field water is water treated and sealed in pouches or bottles, by a military unit or a contracted service, for distribution to individuals. Commercial bottled water is water sealed by a civilian producer and bought in. Personal sanitation water - washing, showering, bathing - is treated as its own case, and can be held to a lower bar than drinking water where a risk assessment supports it.

Who is responsible for producing, testing and approving it

Responsibility follows the water through the chain. A military or contracted plant producing packaged field water "must be approved by the competent national military authority", against criteria that include an initial audit with extended sampling, production run to hazard-analysis principles, and written procedures with a quality-monitoring plan. A commercial bottled water facility should be approved the same way, on the basis of an audit, an accepted civilian certificate, or information a partner nation shares about it.

In a multinational supply arrangement, the producing nation answers for the water it treats, the purchasing nation for commercial bottled water it buys in, and each of the producing, purchasing and receiving nations for the water's quality during their own stretch of storage, distribution and transport. A nation producing water for others at a fixed site is expected to test it and share the results - covering things like the source, the treatment used, and whether the water met the standard - with the nations it is supplying; a receiving nation tests again at its own point of use.

Contractors get a clause of their own: "Water provided by a contractor must comply with all the requirements specified for the routine situation." A contractor is expected to produce a water supply plan covering the supply system, the raw water source, the treatment system, the test equipment, the qualifications of its operators, a monitoring plan, and a corrective-action procedure. Materials and chemicals used in its treatment equipment have to be certified to a recognised scheme, and its operators trained - and certified, where that applies - to run the equipment and test the water.

How compliance is monitored

There is no body that certifies an organisation against AMedP-4.9 itself. What runs through the document instead is periodic or continuous monitoring along the supply chain - to characterise the source, confirm quality at the point of use, catch deterioration after treatment, and watch the critical steps in between - with any departure from the sampling approach written down in an operational analysis plan. Testing "should preferably be done by a laboratory accredited to ISO 17025 or working to equivalent procedures according to good laboratory practice", and results, together with any operational incident affecting water quality, have to be recorded and kept available where the water is actually supplied. A minimum field-testing capability also has to be available, for both routine and emergency situations, so a result does not have to wait on a laboratory.

Its relation to civilian standards

AMedP-4.9 leans on civilian schemes rather than replacing them. A contractor's water supply plan is expected to rest on a quality-management system "based on NEN-EN-ISO 9001 or equivalent" - see ISO 9001. Laboratory testing is preferably done by a body "accredited to ISO 17025" (see ISO/IEC 17025), or to an equivalent good-laboratory-practice standard. Neither of these is a certificate against AMedP-4.9: they are certificates a laboratory or a contractor holds in their own right, against ISO 9001 or ISO/IEC 17025, which this document simply expects to see.

What it does not cover

The document is explicit that it covers water for consumption, food preparation, personal sanitation and medical treatment; the quality of water used for anything else "is not described in this AMedP." It also does not set out how a nation should physically source, drill for or transport water; that is the domain of the other Allied Publications and STANAGs it points to, not this one.

How we help

AMedP-4.9 is an operational and technical standard: meeting it means actually producing, treating, testing and moving water in the field, and that work is done by people and equipment, not by software. What a contractor, or a unit holding a stretch of the supply chain, does need is somewhere reliable to keep the paperwork the document asks for - the water supply plan, the monitoring plan, the operating procedures, the corrective-action record when a result comes back outside expectations, and the test results and incident records that have to be handed to the nations receiving the water.

ComplyTrain gives that a structured, version-controlled home: documented procedures, training records for the operators certified to run the equipment, and a record of every corrective action, so the evidence exists when a producing nation or a contracting authority asks for it, rather than being reconstructed after the fact. It does not test water, does not stand in for an accredited laboratory or a national military authority's approval of a facility, and does not make a treatment plant something a certification body can audit against this document. The requirements that actually apply on a given tasking are set by the contract and the customer's own quality clause; the standards explorer shows what sits alongside AMedP-4.9 if you want to see the wider picture, and we are glad to talk through what a specific tender is asking for.

Standards it references

Questions

Is AMedP-4.9 mandatory?

Not by itself. It binds through STANAG 2136, which records that "the agreement of nations to use this publication is recorded in STANAG 2136" - so it applies to a nation once that nation has ratified the STANAG, and it reaches a contractor once a tasking or contract says so, not automatically.

Can a company be "AMedP-4.9 certified"?

No. The document describes national military authorities approving production and bottling facilities, and civilian schemes like ISO/IEC 17025 and ISO 9001 that a laboratory or contractor can hold in their own right, but no body certifies an organisation against AMedP-4.9 itself.

What is the difference between the routine and emergency situations?

The routine situation is the normal case, secured by an ongoing water safety plan and judged against the document's long-term standard. The emergency situation applies only where hostile activity or another severe, unforeseeable event stops water meeting that standard being produced or resupplied in time, and it is meant to be exceptional rather than a fallback of convenience.

Does AMedP-4.9 apply to water used for anything other than drinking?

It covers water for consumption, food preparation, personal sanitation and medical treatment. The document says plainly that the quality of water for other purposes "is not described in this AMedP."

What edition is current, and what changed?

Edition B, version 1, promulgated in October 2022, is current, and it supersedes Edition A, version 1. The document itself does not describe what changed between the two editions.