Sovereignty Module: Command the Waters
Command the Waters
Complete Water Systems: From Source to Distribution
Complete Water Systems: From Source to Distribution
Clean water is the single most critical resource for human survival. This campaign covers finding, purifying, storing, and distributing water.
Chapter 1: Water Sources
| Source | Reliability | Quality (untreated) | Flow Rate | Development Cost | Best For |
|---|---|---|---|---|---|
| Spring (gravity) | High (perennial) | Often excellent | Variable | Low | Primary supply (if available) |
| Well (hand-dug) | High | Good (filtered by earth) | Low-moderate | Moderate (labor) | Permanent settlement |
| Well (drilled) | Very high | Good-excellent | Moderate-high | High (equipment) | Permanent, deep water table |
| River/stream | High (perennial) | Poor (surface contamination) | High | Low | Large supply (needs treatment) |
| Rainwater (roof) | Variable (climate) | Good (after first flush) | Seasonal | Low-moderate | Supplement, arid areas |
| Pond/lake | High | Poor (standing water) | N/A (storage) | Low | Irrigation, livestock, treatment needed |
| Fog collection | Low-moderate | Good | Very low | Low-moderate | Arid coastal areas |
| Dew collection | Very low | Good | Minimal | Very low | Emergency only |
Chapter 2: Purification Methods
| Method | Effectiveness | Speed | Energy | Equipment | Capacity |
|---|---|---|---|---|---|
| Boiling (1 min at sea level) | 99.9% (all pathogens) | Fast (fuel gathering slow) | High (fire) | Pot, fire | Limited by fuel |
| Slow sand filter | 99%+ (bacteria, protozoa) | Slow (continuous) | None | Sand, gravel, container | High (community scale) |
| Biosand filter | 98-99% (bacteria) | Moderate | None | Concrete box, sand, gravel | Household (50-100 L/day) |
| Ceramic filter | 99%+ (bacteria, protozoa) | Slow (drip) | None | Ceramic pot (colloidal silver) | Household (1-3 L/hour) |
| Solar disinfection (SODIS) | 99.9% (6 hours full sun) | Slow (6+ hours) | Solar | Clear PET bottles | Small (2L per bottle) |
| Chlorination | 99.9% (bacteria, viruses) | Fast (30 min) | None | Chlorine/bleach | Any scale |
| UV (sunlight or lamp) | 99.9% (all pathogens) | Fast (minutes) | Solar or electric | Clear container or UV lamp | Variable |
| Distillation | 100% (everything removed) | Very slow | Very high (fire) | Still (pot + condenser) | Small (emergency) |
Slow sand filter construction: Container (barrel, concrete box) 3-4 ft tall. Layers from bottom: 6" gravel (drainage), 2" coarse sand, 24-36" fine sand. Water enters top, exits bottom through pipe. Flow rate: 0.1-0.3 m/hour. Biological layer (schmutzdecke) forms on top after 2-3 weeks — this is what purifies. Never let filter dry out. Scrape top 1" when flow slows.
Chapter 3: Storage Systems
| Type | Capacity | Material | Cost | Lifespan | Best For |
|---|---|---|---|---|---|
| Cistern (underground) | 500-50,000 gal | Concrete, stone, ferrocement | Moderate-high | 50-100+ years | Rainwater, large storage |
| Tank (elevated) | 100-5,000 gal | Steel, concrete, ferrocement | Moderate-high | 20-50 years | Gravity distribution |
| Barrel (rain barrel) | 50-100 gal | Plastic, wood | Low | 10-20 years | Roof collection, garden |
| Pottery jar | 5-50 gal | Fired clay | Low (if made) | Indefinite (if unbroken) | Household storage, cooling |
| Ferrocement tank | 100-10,000 gal | Cement + wire mesh | Low-moderate | 30-50 years | Developing world standard |
| Spring box | 50-500 gal | Concrete, stone | Low-moderate | 50+ years | Protect spring source |
Chapter 4: Distribution
| Method | Pressure | Distance | Elevation Change | Materials | Best For |
|---|---|---|---|---|---|
| Gravity (pipe from spring) | Low-moderate | Miles | Downhill only | Pipe (any material) | Spring above settlement |
| Ram pump (hydraulic) | Moderate | Hundreds of feet | Pumps uphill (1/7 of fall) | Metal/PVC, check valves | Stream with fall, no electricity |
| Hand pump | Low | At well | Lifts from depth | Pump mechanism, pipe | Wells up to 200 ft deep |
| Windmill pump | Low-moderate | At well + tank | Lifts from depth | Windmill, pump, pipe | Windy areas, livestock |
| Aqueduct (open channel) | None (gravity) | Miles | Slight downhill grade | Stone, concrete, earth | Large-scale irrigation |
| Bucket and rope | None | At source | Manual lift | Bucket, rope, windlass | Simplest well system |
Ram pump: Uses falling water energy to pump a portion uphill. Needs: stream with 3+ ft fall. Delivers: 1/7 of input water to 7× the fall height. No electricity. No fuel. Runs 24/7 automatically. Only moving parts: two check valves. Build from pipe fittings. Maintenance: replace valve seats annually. One of the most useful devices for off-grid water.
Chapter 5: Irrigation
| Method | Efficiency | Labor | Equipment | Best For | Water Use |
|---|---|---|---|---|---|
| Flood irrigation | 30-50% | Low (once built) | Channels, gates | Rice, large flat fields | Very high |
| Furrow irrigation | 50-70% | Moderate | Channels between rows | Row crops | High |
| Drip irrigation | 90-95% | Low (once built) | Tubing, emitters | Gardens, orchards | Very low |
| Sprinkler | 60-80% | Low | Pipes, sprinkler heads, pressure | Large areas, lawns | Moderate-high |
| Ollas (buried clay pots) | 90%+ | Low | Unglazed clay pots | Gardens, trees | Very low |
| Wicking bed | 90%+ | Very low | Raised bed + reservoir | Container/raised bed gardens | Very low |
| Swales (earthworks) | Variable | Low (once built) | None (earthmoving) | Orchards, food forests | Passive (captures rain) |
Reference Card
- Boiling: most reliable purification. 1 minute at rolling boil kills everything. No equipment beyond pot and fire.
- Slow sand filter: community-scale purification. 24-36" sand over gravel. Biological layer does the work. Never let dry out.
- Ram pump: free pumping using falling water. No electricity, no fuel. Runs 24/7. Pumps 1/7 of water to 7× the fall height.
- Spring protection: build spring box (concrete/stone). Seal from surface contamination. Pipe to settlement. Gravity-fed = free.
- Storage: 1 gallon per person per day minimum (drinking + cooking). 5 gallons per person per day comfortable. Store 2+ weeks supply.
- First flush: discard first 5 minutes of roof runoff (bird droppings, dust, debris). Then collect clean rainwater.
- Test water: clear ≠ clean. Pathogens are invisible. Always treat water from unknown sources. Boil if in doubt.
- Gravity is free: always locate storage above point of use. Elevation = pressure. 1 foot of elevation = 0.43 PSI. 30 feet = good household pressure.
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