6-15-2 Potable Water Supply Requirements For Ground Forces

Question 1

Unit Commander

Answer 1

• Ensures sufficient quantities of safe water for drinking, cooking and bathing
• Water discipline

Question 2

Engineering Officer

Answer 2

• Provides sufficient water for the population
• Constructs, operates and maintenance of all facilities used for collection, treatment and distribution of potable water

Question 3

What influences water choice?

Answer 3

• Quality
• Quantity
• Accessability

Question 4

Potential Water Sources

Answer 4

Public Water
- Easiest and safest
- Unsafe until approved
Surface Water
- Quality may be a problem
- From lakes, rivers and streams
Ground Water
- Wells and Springs
Bottled Water
- Must be tested to be potable
- Sealed in bottles and packages

Question 5

ROWPU

Answer 5

Reverse Osmosis Water Purification Kit
- Most Common
- Can produce potable water from fresh, brackish and sea water

Question 6

LMT

Answer 6

Marine Corps Lightweight Medium Tactical freshwater purification kit
- Non-reverse osmosis kit
- 3,000 gallons per hour
- Only treats fresh water

Question 7

LWP

Answer 7

Lightweight Water Purifier
- Purifies small military units
- 12 gallons per hour/mobile

Question 8

Tactical Water Purification System

Answer 8

An ISO or International Organization for Standardization
- Transportable by truck
- 1,500 gallons per hour
- Replacing ROMPU

Question 9

Chlorination

Answer 9

• Most common method
• Sufficient chlorine is added to get desired FAC after 30 min contact time
• Uses Calcium Hypochlorite (HTH) 65-70% granular form, most common
• Sodium Hypochlorite 5-10% (Unscented Bleach)

Question 10

Required Chlorine Residuals

Answer 10

• Point of Production 2ppm FAC after 30 mins
• Delivery to secondary storage (Water Buffalo, 5-gal jug) 1 ppm FAC
  If between .2-1 FAC rechlorrinate to 1ppm
  If less than 0.2 dechlorinate to 2ppm and ensure 1 ppm remains after 30 mins

Question 11

Iodine Tabs

Answer 11

Steel grey in color, discard if yellow or brown
- Canteens
2 tabs per quart
4 tabs per 2 quarts
Wait 5 mins, loosen cap and tighten and wait 25 mins

• 5 Gallon Can
  40 tabs in canteen cup
  add to 5 gallon jug, wait 5 mins, loosen cap and shake
  Tighten cap, wait 25 mins
• Personal Hydration System
  Add 4 tabs for 70-72 oz, 6 for 100-102 oz
  30 min wait to drink
  If water is still undesirable, double tabs