Potable Water Supply REQ for Ground Forces Flashcards
what chapter in the P5010 discuses the Potable Water Supply requirements for Ground Forces
chapter 10
what are the CO’s responsibilities in regards to potable water in the field
Ensures sufficient quantities water
Enforce water discipline
Inform troops of consuming untreated water hazards
Know personal water. disinfection methods
what are the engineering responsibilities in regards to potable water in the field
Provides sufficient water
Construction, operation, and maintenance water facilities
select source of water
what are the medical department’s responsibilities in regards to potable water in the field
Advises CO on water quality issues
Halogen and BAC-T testing
assist engineers with
- water source selection
- survey potable water system
All water sources in the field should be considered
unsafe
what Influences water source
Quality
Quantity
Accessibility
what are potential field water sources
Public water supply
Surface water
Ground water
Commercial bottled water
what are Typical field water treatment process
Straining
Chemical addition
Coagulation
Sedimentation
Various kinds of filtration
what is the most common field water treatment system
Military ROWPU (Reverse Osmosis Water Purification Unit).
Military ROWPU can produce potable water from what sources
Fresh water
Brackish water
Sea water
Characteristics of the Marine Corps Lightweight Medium Tactical (LMT) freshwater purification unit.
Produces 3,000 gallons per hour
Characteristics of the Lightweight water purifier (LWP)
125 gallons per hour
characteristics of Tactical water purification system
Produces 1500 gallons of water per hour
what is the most common method of disinfection in the field
Chlorination
what are the type of chlorination types
Calcium Hypochlorite (HTH)
Sodium Hypochlorite
Chlorine dioxide
Chlorine gas
Bromine
Chloramines ozone
UV radiation
what is the required chlorine residual at Point of production and initial distribution
2ppm FAC after 30 minute contact
time
what is the required chlorine residual for delivery to secondary storage and unit level storage
1ppm FAC
before delivery to secondary storage site and water is between 0.2ppm and 1ppm FAC what must be done
re-chlorinate to 1ppm and deliver.
before delivery to secondary storage site and water is less than 0.2ppm FAC what must be done
re-chlorinate to 2ppm and ensure that at least
1ppm FAC remains after 30 minutes.
how much FAC should water in Filling canteens, personal hydration system, or other individual-use containers have
0.2 PPM FAC
ground water approved for drinking must have what FAC
2ppm FAC after 30min
natural surface water or well water under the direct influence of surface water for drinking, no other treatment available should be disinfected to have what FAC
5ppm FAC after 30 min
Emergency only
how many iodine tabs go in a 2 quart canteen
2 tabs
how many iodine tabs go in a water jug (5GAL)
40 tabs
the Onion tank holds how many gallons
3000
Load handling system (LHS) water tank rack (Hippo). holds how many gallons
2000
Semitrailer-Mounted Fabric Tank (SMFT) can transport how many gallons
3000 - 5000
Tactical Water Distribution system (TWDS) can distribute water for how many miles
10 miles
how many gallons can a water trailer hold
400
unit water pod system (Camel) can hold how many gallons
800
what are the steps for method 1 disinfecting
(a) Chlorinate the water in the container to at least 100 ppm FAC.
(b) Run some solution through the valves and spigots.
(c) Keep all interior surface wet with the solution for at least 60 minutes.
(d) Drain the disinfecting solution into a sanitary sewer or other approved location.
(e) Rinse the container and spigots twice with potable water.
what are the steps for method 1 disinfecting
(a) If either water or the required chemical are in short supply, use the following
method.
(b) Prepare 5 gallon of water with a 100ppm chlorine solution.
(c) Using a long-handled brush, stick, or rod with a cloth secured to the end, swab
the interior of the tank every 10 minutes or as often as necessary to keep the
walls wet for 1 hour.
(d) Run some solutions through the valves and spigot.
(e) Drain the accumulated solution.
(f) Rinse the container and spigots twice with potable water
what are the steps for Alternative procedure
(a) Chlorinate the water to 10ppm FAC.
(b) Hold for 24 hours
(c) Drain the disinfecting solution into a sanitary sewer or other approved location.
(d) Rinse the container and spigots twice with potable water.
