Royal Army College

Lesson Overview

Every flow this course has traced runs forward, supplies arriving to be consumed. But consumption produces something that the earlier lessons have not yet faced: waste. A force that drinks, eats, and works in the field produces human waste, rubbish, used water, and spoilage, and the people a relief operation gathers produce far more, and all of it has to go somewhere. If it is left to accumulate, it does not merely offend; it breeds disease, fouls the water, draws vermin, and turns a relief site into the source of the next emergency. So sustainment has a rearward concern as real as the forward flow of supplies: the sanitation and waste management that keeps a force, and a relief population, healthy by dealing properly with what they produce. This lesson is about that concern, the unglamorous but life-or-death discipline of keeping a field site clean, its water uncontaminated, and its waste away from its people.

The governing idea is that a sustained force and the people it gathers produce waste that breeds disease if it is left to accumulate, so sanitation, the safe disposal of waste and the protection of clean water, is a part of sustainment as vital as supply, because in the field disease kills more surely than shortage. The water, rations, and welfare flow forward and keep people alive; but the waste that flow produces, if not managed, contaminates the very water that keeps them alive and spreads the disease that fills the casualty chain, so a force that supplies brilliantly but sanitates poorly poisons itself with its own waste. Sanitation is therefore not an afterthought to supply but its necessary other half: dispose of human waste safely and away from water, manage the rubbish and spoilage so it does not breed vermin and sickness, and above all keep the clean water clean by separating it absolutely from the waste, so that the site sustains its people rather than sickening them. This matters most on a humanitarian task, where many people are gathered in one place, often already weakened, and where poor sanitation can kill more than the disaster did. The force that manages its waste and protects its water keeps its people healthy; the force that neglects sanitation breeds the epidemic that no resupply can cure. Keeping the field site clean and the water safe, the rearward half of sustainment, is the whole of this lesson.

This is the knowledge layer; the actual building and running of field sanitation, the siting and digging of latrines, the setting up of waste disposal, the treatment of water, is a practical skill taught and signed off in person under those qualified, and on health matters under medical direction, because it is done by hand to a standard that protects life. It draws on recognised field-hygiene and humanitarian practice, the field-sanitation discipline of military health and the water-and-sanitation standards of Sphere for relief, scaled to this Army's role, and connects closely to MED 210 Field Health (the health side), to the water and welfare of Lesson 03, and to the humanitarian task of Lesson 10. Read this for the logistics and the principle; the building and the health judgements are done in person and under medical direction.

By the end you will be able to explain why sanitation and waste management are part of sustainment, describe the kinds of waste a field force and a relief population produce and the danger each carries, explain how human waste is disposed of safely away from water, explain how clean water is protected from contamination, and understand the heightened sanitation demands of a humanitarian task and the boundary with the health skills taught in person.

Key Terms

Sanitation: the safe disposal of waste and the protection of clean water, the discipline that keeps a field site from breeding disease.
Field hygiene: the practices that keep a force healthy in the field, of which sanitation is the core, covering waste, water, and cleanliness.
Human waste: the bodily waste a force and a population produce, the most dangerous waste because it carries the organisms that cause disease.
Latrine: the prepared place for disposing of human waste safely, sited and built so it does not contaminate water or attract vermin.
Greywater (used water): the waste water from washing and cooking, which must be drained away so it does not pool, foul the ground, or breed insects.
Refuse (rubbish): the solid waste, packaging, spoiled food, and general rubbish, which breeds vermin and disease if it accumulates.
Contamination: the fouling of clean water or food by waste or disease organisms, the chief danger sanitation exists to prevent.
Separation (of clean and dirty): the absolute keeping-apart of clean water and food from waste, the central rule of field sanitation.
Siting: the choosing of where latrines, waste, and water points go, so that waste is downhill and downstream of water and away from people.
Disease prevention: the purpose of sanitation, stopping the spread of the illnesses that waste and contamination cause, which in the field kill more than shortage.

Why sanitation is part of sustainment

The reason sanitation belongs in a sustainment course at all is that consumption produces waste, and waste, left alone, kills. Everything the force consumes, the water drunk, the food eaten, the stores used, becomes waste once used: human waste from the people, used water from washing and cooking, rubbish and packaging from the stores, spoiled food. This waste does not vanish; it accumulates wherever the force is, and if nothing is done with it, it breeds disease. Human waste carries the organisms that cause the diseases that have always been the soldier's deadliest enemy in the field, dysentery, cholera, typhoid, the sicknesses of filth; rubbish draws flies and rats that spread illness; used water pools and breeds insects. The grim historical truth, true of every army before modern sanitation and true still where sanitation fails, is that disease kills more than the enemy or the disaster does: more soldiers have died of the filth-borne sicknesses of bad camps than of wounds, and in disasters poor sanitation in relief camps has killed more than the original event. Sanitation is the discipline that prevents this, and it is part of sustainment because a force is only sustained if it stays healthy, and it stays healthy only if its waste is managed.

This makes sanitation the necessary other half of supply. The forward flow of supply keeps people fed and watered and alive; the management of waste keeps the supply from becoming poison. The two are linked directly: the water supplied is life, but the human waste produced, if it reaches that water, makes the water deadly, so the same operation that supplies the clean water must dispose of the waste that would contaminate it. A force that supplies brilliantly but sanitates poorly does not stay sustained; it poisons its own water, sickens its own people, fills its own casualty chain (Lesson 08) with the diseased, and is brought down not by shortage but by filth. So sanitation is not a tidy afterthought, a matter of keeping the camp neat; it is a load-bearing part of keeping a force alive and effective, as vital as the supply it complements, and the logistician who plans sustainment plans the waste out as carefully as the supplies in.

The principle is sharpest where the stakes are highest, which for this Army is the humanitarian task. When the force gathers many people in one place for relief, a flood camp, a distribution site, a shelter, it concentrates not just need but waste: many people producing human waste, used water, and rubbish in one place, often people already weakened by the disaster and so more vulnerable to disease. A relief site with poor sanitation is a disease waiting to happen, and an outbreak there, cholera in a crowded camp, can kill more than the flood or storm that caused the relief, turning the place of help into a new disaster. This is why humanitarian sanitation, the Sphere water-and-sanitation standards, is taken so seriously in relief work, and why a logistician running a relief task must plan the latrines and the waste and the clean water from the very start, before the people gather, as a first-order concern. Sanitation is part of sustainment everywhere, but on a relief task it is among the most important things the force does, because here the failure to manage waste does not just weaken the force, it kills the very people the force came to help.

Disposing of waste and protecting the water

The practical work of sanitation has two sides: getting rid of the waste safely, and keeping the clean water clean, and they are joined by one central rule. Take the waste first. Human waste, the most dangerous, is disposed of in a prepared latrine, a place built for it, sited and constructed so the waste is contained and kept away from people, water, and food, and from the flies that would carry it. Human waste is never just left, because it is the chief carrier of disease; it is put in a proper latrine, used by everyone, maintained, and kept far from where people live, eat, and draw water. Used water (greywater) from washing and cooking is drained away so it does not pool (standing water breeds the insects that spread disease) and does not foul the ground or the water supply. Refuse, the rubbish, packaging, and spoiled food, is collected and disposed of, burned, buried, or carried away, so it does not accumulate and breed the vermin, the flies and rats, that spread sickness. Each kind of waste has its safe disposal, and the discipline is that all of it is dealt with, none left to pile up, because any neglected waste becomes a source of disease.

The other side is protecting the clean water, and it rests on the absolute rule of separation: clean water and food are kept rigidly apart from all waste, so the two never meet. Contamination, the fouling of clean water or food by waste, is the chief danger sanitation exists to prevent, because contaminated water is how the deadliest field diseases spread, one fouled water source can sicken a whole force or camp at once. So the clean water supply (Lesson 03) is protected absolutely: the water point is kept clean, upstream and uphill of any waste, handled so nothing dirty reaches it, and never allowed to be touched by the waste streams. The link between this lesson and Lesson 03 is direct: Lesson 03 supplies the clean water; this lesson keeps it clean by separating it from the waste that would contaminate it, and the two together, supply and protection, are what gives people safe water. Break the separation, let waste reach the water, and the supplied water becomes the very thing that spreads the disease.

The rule that joins both sides is siting: choosing where everything goes so that clean and dirty are separated by ground itself. Latrines and waste are sited downhill and downstream of the water point and away from where people live and eat, so that water runs from clean to dirty, never the reverse, and waste cannot drain into the water or sit among the people. The water point is sited high and clean; the living and eating areas in the middle; the latrines and waste downhill and apart. Good siting builds the separation into the layout of the site so that even ordinary rain and drainage carry contamination away from the water, not toward it; bad siting, a latrine uphill of a well, waste beside the kitchen, builds contamination into the site and guarantees disease however careful people try to be afterward. So the logistician sites the site deliberately, water high and clean, waste low and apart, because where things are placed is the first and most important sanitation decision, made before anyone arrives and hard to undo after. Disposing of the waste, protecting the water, and siting so the two stay separate, this is the practical content of field sanitation.

   SANITATION: THE REARWARD HALF OF SUSTAINMENT (consumption produces WASTE)

   SITE BY THE GROUND (siting builds in SEPARATION):

      WATER POINT        (clean, HIGH and UPSTREAM, protected absolutely)
          |
      LIVING / EATING    (in the middle, away from both)
          |
      LATRINES / WASTE   (DOWNHILL + DOWNSTREAM, away from people + water)

   DEAL WITH EVERY WASTE (none left to accumulate):
     HUMAN WASTE   -> proper LATRINE (the most dangerous; carries disease)
     GREYWATER     -> drained away (don't let it pool + breed insects)
     REFUSE        -> burned / buried / removed (or it breeds vermin)

   CENTRAL RULE: SEPARATE clean from dirty. Contaminated water spreads the
   deadliest field disease. In the field, DISEASE kills more than shortage.
   Highest stakes: the HUMANITARIAN task (many, weakened, gathered in one place).

The heightened demand of relief, and the boundary

Everything in this lesson intensifies on a humanitarian task, and the logistician must plan for it accordingly. A relief operation gathers many people in one place, far more than the force itself, and they produce waste in proportion: a camp of hundreds produces human waste, used water, and rubbish on a scale that overwhelms casual arrangements and demands real sanitation infrastructure, enough latrines for the numbers, proper waste disposal, protected water for all, planned and built from the start. And the people gathered are often already weakened, by the disaster, by hunger, by exposure, and so are more vulnerable to the diseases poor sanitation breeds, which means an outbreak spreads faster and kills more readily than it would among a fit force. This is why the humanitarian water-and-sanitation standards (Sphere) set out minimums, so many latrines per so many people, water sources protected and sufficient, waste managed, because experience has shown that relief without sanitation kills. The logistician planning a relief task treats sanitation as a first-order concern, planned before the people arrive, scaled to the numbers expected, because once a crowd has gathered without adequate sanitation, the disease is already coming and is far harder to stop than it would have been to prevent.

Through all of it the boundary of the knowledge layer holds, and it is a double boundary here. First, the building and running of field sanitation, the actual siting and digging of latrines, the setting up of waste disposal and water treatment, is a practical skill taught and signed off in person under the qualified, because it is done by hand to a standard that protects life and done carelessly it fails. Second, the health judgements, what is sanitary enough, how disease is prevented and controlled, are made under medical direction, because they are health matters belonging to the medical trade (MED 210 Field Health), not the logistics trade. The logistician's part is to understand sanitation as a part of sustainment, to plan it into an operation, to site the camp, to provide the means and the labour, and to insist it is done; the hands-on building is signed off in person, and the health standards are set under medical direction. The logistician who understands this plans the waste out as carefully as the supplies in, sites the relief camp so its water stays clean and its waste stays apart, scales the sanitation to the numbers, and so keeps the force and the people it helps healthy, which is the rearward half of sustainment and, in the field, as much a matter of life and death as the supply itself. Managing the waste and protecting the water is how a force keeps its people alive once it has fed them, and it completes the picture of sustainment this course has built: supplies forward to sustain, equipment maintained to keep moving, casualties evacuated and treated, and waste managed so the force does not sicken on what it has consumed.

In Practice: Keeping a Relief Camp Healthy

A logistician of the Royal Kaharagian Army helps set up a relief camp for families displaced by a flood, and knows that the camp will be sustained only if it stays healthy, which means the waste of hundreds of gathered, weakened people must be managed from the very first, before sickness can take hold. Before the families arrive, the logistician sites the camp by the ground: the protected water point high and upstream, the living and eating areas in the middle, the latrines and waste downhill and downstream and well away from both, so that drainage carries contamination away from the water, never toward it. The separation is built into the layout before anyone is there, because it is far easier to site well than to fix a fouled camp later.

As the camp fills, the logistician ensures every waste is dealt with. Enough latrines for the numbers, scaled to the Sphere minimums, are provided so human waste, the most dangerous, goes to proper disposal and not to the ground or the water; greywater from washing and cooking is drained so it does not pool and breed insects; refuse is collected and disposed of so it does not accumulate and draw vermin. Above all the clean water is kept clean by absolute separation from the waste, because the logistician knows that one contaminated water source could sicken the whole camp at once, an outbreak that in a crowd of weakened people could kill more than the flood did.

The logistician plans and insists on the sanitation but leaves the building of it, the digging of latrines, the setting up of disposal, to the qualified who sign it off in person, and takes the health standards under medical direction (MED 210), because how clean is clean enough is a medical judgement, not a logistics one. By planning the waste out as carefully as the relief stores in, siting the camp so its water stays safe, and scaling the sanitation to the numbers, the logistician keeps the camp from breeding the disease that poor sanitation always brings. The families are not only fed and sheltered but kept healthy, which on a relief task is among the most important things the force does, and which is what managing waste and protecting water, the rearward half of sustainment, exists to achieve.

Check Your Understanding

Explain why sanitation and waste management are part of sustainment, why consumption produces waste that breeds disease if left alone, and why in the field disease kills more than shortage, making sanitation the necessary other half of supply.
Describe how the different wastes are dealt with (human waste to a latrine, greywater drained, refuse disposed of) and how clean water is protected by absolute separation and good siting (water high and upstream, waste downhill and apart).
Explain why sanitation is a first-order concern on a humanitarian task (many, often weakened, people gathered in one place), and the double boundary: the building of sanitation signed off in person, and the health standards taken under medical direction (MED 210).

Reflection (write a short paragraph): This lesson argues that sanitation is as vital a part of sustainment as supply, because a force that supplies brilliantly but manages its waste poorly poisons its own water and sickens its own people. Why is it true that, in the field, disease has historically killed more than shortage or the enemy, and what does that imply about how seriously a logistician should treat the unglamorous work of latrines and waste? Then consider the humanitarian task: why does gathering many already-weakened people in one place make sanitation a first-order, plan-it-before-they-arrive concern, and why can a failure of sanitation in a relief camp kill more people than the disaster that caused the relief?

Summary

A sustained force and the people it gathers produce waste, human waste, used water, refuse, spoilage, that breeds disease if left to accumulate. Sanitation (safe disposal of waste, protection of clean water) is therefore a part of sustainment as vital as supply, because in the field disease kills more than shortage: a force that supplies well but sanitates poorly poisons its own water and sickens its own people.
The work has two sides joined by one rule. Dispose of every waste: human waste (the most dangerous) to a proper latrine, greywater drained so it does not pool, refuse burned, buried, or removed so it does not breed vermin, none left to accumulate. Protect the clean water by the absolute rule of separation, keeping clean water and food rigidly apart from all waste, because contaminated water spreads the deadliest field diseases.
Siting builds the separation into the ground: water point high and upstream, living and eating in the middle, latrines and waste downhill and downstream and away from people, so drainage carries contamination away from the water. Siting is the first and most important sanitation decision, made before anyone arrives.
Sanitation is a first-order concern on a humanitarian task, where many, often weakened, people are gathered in one place and an outbreak (such as cholera in a crowded camp) can kill more than the disaster did. The Sphere water-and-sanitation standards set minimums; the logistician plans and scales sanitation before the people arrive.
The boundary is double: the building and running of field sanitation is a practical skill signed off in person, and the health standards are taken under medical direction (MED 210). The logistician plans the waste out as carefully as the supplies in. This completes the picture of sustainment: supplies forward, equipment maintained, casualties evacuated, and waste managed so the force does not sicken on what it has consumed. It connects to Lesson 03 (clean water), MED 210 (field health), and the humanitarian task of Lesson 10.

Sanitation, Waste, and the Field Environment