# Campaign 134: Purify the Source

## The Complete Water Filtration, Purification, and Safe Drinking Water Guide

### A Sovereignty Module of the Practitioner Community

## Preamble

Water is the first requirement of life. A human can survive three weeks without food but only three days without water. However, drinking contaminated water kills more people worldwide than violence. Waterborne diseases — cholera, typhoid, dysentery, giardia, cryptosporidium — have killed more humans throughout history than all wars combined. The ability to take any water source and make it safe to drink is the single most life-saving skill in this entire Codex. This campaign covers every method of water purification from the simplest (boiling) to the most sophisticated (multi-stage filtration), using materials available in any environment.

## Part I: Water Contaminants

### Chapter 1: What Makes Water Unsafe

| Contaminant Type | Examples | Health Effect | Removal Method |
|---|---|---|---|
| Bacteria | E. coli, Salmonella, Cholera, Typhoid | Diarrhea, vomiting, fever, death | Boiling, chemical treatment, UV, filtration (0.2 micron) |
| Viruses | Hepatitis A, Norovirus, Rotavirus | Diarrhea, liver damage, death | Boiling, chemical treatment, UV (filters alone insufficient) |
| Protozoa | Giardia, Cryptosporidium, Amoeba | Severe diarrhea, cramps, long-term illness | Boiling, filtration (1 micron), UV |
| Parasitic worms | Guinea worm, Schistosoma | Organ damage, chronic illness | Filtration (cloth filter sufficient for large parasites) |
| Sediment | Dirt, sand, silt, organic matter | Turbidity, harbors pathogens | Settling, cloth filtration, sand filtration |
| Chemical pollutants | Pesticides, heavy metals, industrial waste | Cancer, organ damage, neurological damage | Activated charcoal, distillation, reverse osmosis |
| Dissolved minerals | Iron, manganese, calcium, arsenic | Taste issues, long-term health effects | Distillation, specific chemical treatment |

### Chapter 2: Water Source Risk Assessment

| Source | Risk Level | Primary Concerns | Treatment Needed |
|---|---|---|---|
| Deep well (50+ ft) | Low | Minerals, possible chemical contamination | Test, may need no treatment |
| Spring (at source) | Low-moderate | Bacteria if surface contamination | Filtration + disinfection recommended |
| Rainwater (clean catchment) | Low | Possible bird/animal contamination on roof | First-flush diversion + filtration |
| Flowing stream (clear, fast) | Moderate | Bacteria, protozoa, upstream contamination | Full treatment required |
| Lake/pond | Moderate-high | Bacteria, protozoa, algae, chemicals | Full treatment required |
| Stagnant water | High | All pathogen types, chemical concentration | Full treatment + settling/pre-filtration |
| Floodwater | Very high | Everything: sewage, chemicals, pathogens, debris | Avoid if possible. Full treatment if no alternative. |

## Part II: Purification Methods

### Chapter 3: Boiling (Most Reliable Method)

| Step | Action | Details |
|---|---|---|
| 1. Collect water | Gather from cleanest available source | Pre-filter through cloth if turbid |
| 2. Bring to rolling boil | Heat until vigorous bubbling | Rolling boil, not just simmering |
| 3. Maintain boil | Keep at rolling boil for 1 minute | At elevations above 6,500 ft: boil for 3 minutes |
| 4. Cool | Let cool naturally in clean container | Do not add ice (ice may be contaminated) |
| 5. Store | Keep in clean, covered container | Boiled water can be recontaminated if stored improperly |

**BOILING KILLS:** All bacteria, all viruses, all protozoa, all parasitic worms. Boiling is 100% effective against all biological contaminants. It does NOT remove chemical contaminants or improve taste.

### Chapter 4: Chemical Disinfection

| Chemical | Dose | Contact Time | Effectiveness | Notes |
|---|---|---|---|---|
| Household bleach (5-6% sodium hypochlorite) | 2 drops per quart (clear water), 4 drops per quart (cloudy water) | 30 minutes | Kills bacteria, most viruses | Does not kill Cryptosporidium. Water should have slight chlorine smell after treatment. |
| Iodine (2% tincture) | 5 drops per quart (clear), 10 drops (cloudy) | 30 minutes | Kills bacteria, viruses, most protozoa | Not for pregnant women or those with thyroid conditions. Taste can be improved with vitamin C after treatment. |
| Calcium hypochlorite (pool shock) | 1/4 teaspoon per gallon of stock solution, then use stock to treat water | 30 minutes | Same as bleach | Long shelf life in dry form (years vs. months for liquid bleach) |
| Potassium permanganate | 3-4 crystals per quart until light pink | 30 minutes | Kills bacteria, some viruses | Also useful as wound antiseptic and fire starter |
| Solar disinfection (SODIS) | Fill clear PET bottle, place in direct sun | 6 hours (sunny) to 2 days (cloudy) | Kills most bacteria and viruses | UV from sunlight + heat. Bottle must be clear, water must be clear. |

### Chapter 5: Filtration Methods

| Filter Type | Removes | Flow Rate | Lifespan | Complexity |
|---|---|---|---|---|
| Cloth filter (cotton, silk) | Large parasites, sediment | Fast | Indefinite (wash and reuse) | Simplest possible |
| Sand filter (slow) | Bacteria (95-99%), protozoa, sediment | 1-2 liters/hour | Years (clean periodically) | Moderate (build once) |
| Bio-sand filter | Bacteria (98-99%), protozoa, turbidity | 1-2 liters/hour | 10+ years | Moderate (biological layer develops over 2-3 weeks) |
| Ceramic filter (pot or candle) | Bacteria (99.9%), protozoa, sediment | 1-3 liters/hour | 2-5 years | Requires manufactured ceramic element |
| Activated charcoal | Chemicals, taste, odor, some bacteria | Variable | Replace when taste degrades | Can be made from hardwood charcoal |
| Multi-stage (sand + charcoal + gravel) | Most contaminants | 1-3 liters/hour | Years with maintenance | Best DIY option |

### Chapter 6: Building a Bio-Sand Filter

| Step | Action | Details |
|---|---|---|
| 1. Container | 5-gallon bucket, barrel, or concrete box with outlet near bottom | Outlet must be above sand level to keep sand submerged |
| 2. Gravel layer (bottom) | 2 inches of washed gravel (1/4" to 1/2") | Supports sand, prevents outlet clogging |
| 3. Coarse sand layer | 2 inches of coarse sand | Transition layer |
| 4. Fine sand layer | 18-24 inches of fine, clean sand | This is the primary filtration medium |
| 5. Diffuser plate | Perforated plate or cloth over sand surface | Prevents disturbing the biological layer when pouring water |
| 6. Biological layer (develops naturally) | Biofilm of beneficial microorganisms on top sand layer | Develops over 2-3 weeks of regular use. This is what kills bacteria. |
| 7. Standing water | Maintain 2 inches of water above sand at all times | Sand must never dry out (kills biological layer) |

**CRITICAL:** The bio-sand filter's effectiveness depends on the biological layer (schmutzdecke) that develops on the sand surface. This takes 2-3 weeks of regular use. During this period, STILL BOIL OR CHEMICALLY TREAT the filtered water. After the biological layer is established, the filter removes 98-99% of bacteria.

### Chapter 7: Activated Charcoal Production

| Step | Action | Details |
|---|---|---|
| 1. Make charcoal | Burn hardwood in low-oxygen environment (see Charcoal Campaign) | Completely carbonized, no brown spots |
| 2. Crush | Break charcoal into small pieces (pea-sized or smaller) | Smaller = more surface area = better filtration |
| 3. Activate (optional) | Soak crushed charcoal in calcium chloride or lemon juice solution for 24 hours | Activation increases absorption capacity |
| 4. Rinse | Rinse activated charcoal with clean water until water runs clear | Removes dust and activation chemicals |
| 5. Pack in filter | Layer charcoal between sand layers in filter, or pack in tube | 4-6 inches of charcoal in filter column |
| 6. Replace | When filtered water develops taste or odor | Typically every 2-4 weeks with heavy use |

## Part III: Distillation

### Chapter 8: Water Distillation

| Step | Action | Details |
|---|---|---|
| 1. Heat source water | Bring contaminated water to boil in pot | Any heat source |
| 2. Capture steam | Direct steam into tube or coil (condenser) | Copper or stainless steel tube works best |
| 3. Cool condenser | Run cool water over condenser tube, or coil through cold water bath | Steam condenses back to liquid water |
| 4. Collect distillate | Clean water drips from condenser into collection container | This water is pure H₂O |

**DISTILLATION REMOVES EVERYTHING:** Bacteria, viruses, chemicals, minerals, heavy metals, salt. It is the only method that removes all contaminant types. Disadvantage: requires fuel and equipment. Use when chemical contamination is suspected.

### Chapter 9: Solar Still (Emergency)

| Step | Action | Details |
|---|---|---|
| 1. Dig hole | 3 ft wide, 2 ft deep in sunny location | Morning sun exposure is best |
| 2. Place container | Set clean collection container in center of hole | This catches the distilled water |
| 3. Add contaminated water | Pour dirty water around (not in) the collection container | Or place wet vegetation around container |
| 4. Cover with plastic | Stretch clear plastic sheet over hole, seal edges with soil | Must be airtight |
| 5. Place weight | Set small stone on plastic directly above collection container | Creates low point for condensation to drip |
| 6. Wait | Sun heats water, evaporates, condenses on plastic, drips into container | Produces 1-3 cups per day depending on sun and temperature |

## Part IV: The Practitioner Water Purification Reference Card

**WHEN IN DOUBT, BOIL:** Boiling for 1 minute (3 minutes above 6,500 ft) kills 100% of biological contaminants. It is the most reliable method and requires no chemicals or equipment beyond a container and heat.

**BLEACH IS YOUR BACKUP:** 2 drops of household bleach per quart of clear water, wait 30 minutes. Water should have a slight chlorine smell. If no smell, add 2 more drops and wait 15 minutes.

**FILTER THEN DISINFECT:** Filtration removes particles and most protozoa. Chemical treatment or boiling kills bacteria and viruses. The combination provides the safest water. Neither alone is as effective as both together.

**CLEAR WATER IS NOT SAFE WATER:** Crystal-clear water can contain invisible bacteria, viruses, and chemicals. Always treat water regardless of appearance. The deadliest pathogens are invisible.

**BIO-SAND FILTERS NEED TIME:** The biological layer that makes bio-sand filters effective takes 2-3 weeks to develop. During startup, still boil or chemically treat filtered water. Never let the sand dry out.

**DISTILLATION FOR CHEMICALS:** If you suspect chemical contamination (industrial runoff, pesticides, heavy metals), only distillation removes these. Boiling and filtration do not remove dissolved chemicals.

**REMEMBER:** Safe water is the foundation of all human health. More people die from contaminated water than from violence, war, or natural disasters. A Practitioner who can purify water from any source has the most fundamental survival skill. Every other skill in this Codex depends on having safe water first.

## Council Approval

**Council Result: 12/12 APPROVED.**