6-15 Potable Water Supply for Ground Forces Flashcards by Miranda Buckley

Potable water for ground forces
Who is responsible for:
-ensuring there is sufficient water
-water discipline
-ensuring troops are aware of the dangers of drinking untreated water
-know proper methods of disinfection

How well did you know this?

Not at all

Perfectly

Potable water for ground forces
Who is responsible for:
-providing sufficient potable water quantities
-construction, operation, and maintenance of facilities
-selecting sources of raw water

Engineering Officer

How well did you know this?

Not at all

Perfectly

Potable water for ground forces
Who is responsible for:
-advises the CO on water quality issues
-assists engineers in selection of water, surveying potable water system
-conduct routine bacteriological test
-test for halogen residuals
-inform engineers of quality/treatment required
-chemical analysis

medical depart

How well did you know this?

Not at all

Perfectly

All water sources in the field should be considered _____ until they have been evaluated and approved by the _____

unsafe

- medical department

How well did you know this?

Not at all

Perfectly

What influences water choice?

quality
quantity
accessibility

How well did you know this?

Not at all

Perfectly

What are the 4 types of potential water sources?

public water supply
surface water
ground water
commercial bottle water

How well did you know this?

Not at all

Perfectly

Which potential water supply is:

easiest and safest source
water has been treated to some extent

public water supply

How well did you know this?

Not at all

Perfectly

Which potential water supply source is:

more accessible than other sources
more contaminated than other sources
river, streams, lakes, ponds, seas, oceans

surface water

How well did you know this?

Not at all

Perfectly

Which potential water supply is:

existing wells and springs
usually less contaminated
located at least 30 yards upgradient from known contamination

ground water

How well did you know this?

Not at all

Perfectly

Typical field water treatment process includes?

straining
chemical addition
coagulation
sedimentation
various kinds of filtration

How well did you know this?

Not at all

Perfectly

What is the most common method of water treatment for potable water in the field?

military ROWPU (reverse osmosis water purification unit)

How well did you know this?

Not at all

Perfectly

What can be used to produce potable water from:

fresh water
brackish water
sea water

military ROWPU

How well did you know this?

Not at all

Perfectly

A multi-process system that will remove all waterborne infectious microorganisms such as parasites, bacteria, viruses?

military ROWPU

How well did you know this?

Not at all

Perfectly

Which water treatment for potable water in the field is:

non reverse osmosis water treatment unit
3,000 gallons/hr
only used in treating fresh water

marine corps lightweight medium tactical (lmt) freshwater purification unit

How well did you know this?

Not at all

Perfectly

Which water treatment for potable water in the field is:

used to purify water for small military detachments
125 gallons/hr

lightweight water purifier (lwp)

How well did you know this?

Not at all

Perfectly

Which water treatment for potable water in the field is:

replacing RO water purification unit
produces 1500 gallons/hr

tactical water purification system

How well did you know this?

Not at all

Perfectly

What are the two types of water chlorination in the field?

chlorine

- iodine

How well did you know this?

Not at all

Perfectly

Which method is the most common for disinfection of field water?

chlorination

How well did you know this?

Not at all

Perfectly

At the point of production and initial distribution, what is the required chlorine residual?

-2 ppm FAC after 30 minutes

How well did you know this?

Not at all

Perfectly

What is the required chlorine residual at the delivery to secondary storage and unit level storage, such as water bulls, 5 gal containers?

1 ppm FAC

What is the required chlorine residuals for filling canteens, personal hydration systems?

0.2 ppm FAC

What is the required chlorine residual for ground water approved for drinking?

-2 ppm FAC for 30 minutes

What is the required chlorine residual for natural surface water, well water?
When to drink this?

5 ppm after 30 min

Emergency only!

What is used for disinfecting water contained in small containers such as canteens or water jugs?

iodine tablets

Discard the iodine tables when:

- color turned yellow or brown | - crumbling apart, stick together

How many iodine tablets are used for 1 quart of water?

2 iodine tablets

How many iodine tablets are used for 4 quarts of water?

4 iodine tablets

Once the iodine tablets are dissolved how long do you wait before loosening the cap and tipping the canteen?

5 minutes

When treating water with iodine, after tightening the cap, wait an additional____ before drinking?

25 minutes

For iodine water purification of 5 gallon water jugs, how many iodine tablets are dissolved in a canteen cup of water?

40 iodine tablets

For personal hydration systems, how many iodine tablets are added for 70-72 oz of water?

4 iodine tablets

For personal hydration systems, how many iodine tablets are added for 100-102 oz of water?

6 iodine tablets

If the water to be treated is cloudy or discolored, ______ the amount of iodine tablets

double

What does PWS/DS stand for?

Potable water storage and distribution system

What is the primary means for the receipt and storage of bulk drinking water and for issue to combat forces under tactical conditions?

PWS/DS

Which type of container used for storing field water is: - highly mobile, inflatable/collapsible fabric water tank - "the onion"

3,000 gallon tank

Which type of container used for storing field water is: - the "hippo" - hard wall tank, stainless steel interior - 2,000 gallon

load handling system (lhs) water tank rack

Which type of container used for storing field water is: - portable, self contained - gas or diesel operated

-forward area water point supply system (FAWPSS)

What does FAWPSS stand for?

forward area water point supply system

Which type of container used for storing field water is: - 3,000 or 5,000 gallons - transports only drinking water - collapsible rubberized tank

semitrailer-mounted fabric tank (SMFT)

Which type of container used for storing field water is: - highly mobile - distributes water for up to 10 miles on level terrain

tactical water distribution system (TWDS)

The water distribution and waste management system has which three modules?

- water distribution set - hospital - deployable medical system (DEPMEDS)

Which type of container used for storing field water is: -primary means for the receipt and storage of bulk potable water for wastewater management for the DEPMEDS hospital under tactical conditions?

water distribution and wastewater management system (WDWMS)

Which type of container used for storing field water is: | -used to distribute drinking water to field units

400 gallon water trailer

Which type of container used for storing field water is: - replacing the M107, M149, M1112 - "camel"

800 gallon unit water pod system

Field potable water contained disinfection | -method 1 steps

- chlorinate to 100 ppm FAC - keep interior wet for 60 mins - drain - rinse twice with potable water

Field potable water contained disinfection - method 2 steps - when is it conducted over other methods?

- prepare 5 gallons of water at 100 ppm FAC - swab interior of tank every 10 mins or as much to keep the interior wet for 60 mins - drain - rinse twice with potable water - used when water or chemicals are in short supply

Field potable water contained disinfection | -alternative procedure steps

- chlorinate to 10 ppm FAC - hold for 24 hours - drain - rinse twice with potable water