POTABLE WATER SUPPLY REQUIREMENTS FOR GROUND FORCES

Question 1

NAVMED P-5010, Chapter 10

Answer 1

Sanitary Control and Surveillance of Field Water Supplies.

Question 2

Unit Commanders Responsibilities

Answer 2

(a) Ensures that there is enough safe water for drinking, cooking, and bathing.
(b) Enforcement of water discipline.
(c) Inform troops about the dangers of consuming untreated water.
(d) Know the proper methods of disinfection of personal drinking water.

Question 3

Medical Department responsibilities

Answer 3

(a) Advises the Commanding Officer on water quality issues.
(b) Assists the engineers with selection of water sources, surveying the potable water system.
(c) Conduct routine bacteriological examination of the potable water supplies.
(d) Test water for halogen levels.
(e) Inform engineers of water quality and type of treatment required.
(f) Chemical analysis of field water supplies made on a case by case basis assigned by medical and engineering personnel.

Question 4

Most common water treatment process

Answer 4

Military ROWPU (Reverse Osmosis Water Purification Unit)

Question 5

Military ROWPU Can be used to produce potable water from

Answer 5

(a) Fresh water
(b) Brackish water
(c) Sea water

Question 6

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

Answer 6

Military ROWPU

Question 7

What Purification unit?

(1) Non-Reverse osmosis water treatment unit
(2) Produces 3,000 gallons per hour
(3) Only used in treating fresh water

Answer 7

Marine Corps Lightweight Medium Tactical (LMT) freshwater purification unit

Question 8

What Purification unit?
(1) Used to purify water for small military units and detachments, Special Operations
Forces, and temporary medical facilities during a range of contingency operations.
(2) 125 gallons per hour
(3) Provides a more mobile, further-forward deployed water production.

Answer 8

Lightweight water purifier (LWP)

Question 9

What Purification unit?
(1) An International Organization for Standardization (ISO) - compatible flat rack and is
transportable by the load handling system or palletized load system trucks.
(2) Produces 1500 gallons of water per hour.
(3) Replacing reverse osmosis water purification unit.

Answer 9

Tactical water purification system

Question 9

What Purification unit?
(1) An International Organization for Standardization (ISO) - compatible flat rack and is
transportable by the load handling system or palletized load system trucks.
(2) Produces 1500 gallons of water per hour.
(3) Replacing reverse osmosis water purification unit.

Answer 9

Tactical water purification system

Question 9

What Purification unit?
(1) An International Organization for Standardization (ISO) - compatible flat rack and is
transportable by the load handling system or palletized load system trucks.
(2) Produces 1500 gallons of water per hour.
(3) Replacing reverse osmosis water purification unit.

Answer 9

Tactical water purification system

Question 9

(1) An International Organization for Standardization (ISO) - compatible flat rack and is
transportable by the load handling system or palletized load system trucks.
(2) Produces 1500 gallons of water per hour.
(3) Replacing reverse osmosis water purification unit.

Answer 9

Tactical water purification system

Question 10

(1) An International Organization for Standardization (ISO) - compatible flat rack and is
transportable by the load handling system or palletized load system trucks.
(2) Produces 1500 gallons of water per hour.
(3) Replacing reverse osmosis water purification unit.

Answer 10

Tactical water purification system

Question 11

surface water can only be disinfected for use under what circumstance?

Answer 11

EMERGENCY ONLY

Question 12

natural surface water or well water under the direct influence of surface water for drinking is treated to what

Answer 12

5ppm FAC after 30 minute contact time

Question 13

Water purification tablets (Iodine tablets) are for

Answer 13

For disinfecting water contained in small containers such as canteens or water jugs.

Question 14

Highly mobile, easily transportable manually inflatable/collapsible fabric water tank.

Answer 14

3,000-gallon onion tank

Question 15

Load handling system (LHS) water tank rack (Hippo).

Answer 15

(1) Compatible with ARMY’s LHS

(2) 2,000 gallons

Question 16

Forward Area Water Point Supply System (FAWPSS)

Answer 16

(1) Portable, self contained
(2) Gas or diesel operated unit
(3) Employs centrifugal pump to distribute water.

Question 17

Semitrailer-Mounted Fabric Tank (SMFT)

Answer 17

(1) Transport only drinking water.
(2) Collapsible rubberized tanks.
(3) 3,000 or 5,000 gallons

Question 18

Tactical Water Distribution system (TWDS)

Answer 18

(1) Highly mobile

(2) Designed to distribute water for distance up to 10 miles on level terrain.

Question 19

(1) Three modules
(a) Water distribution set
(b) Hospital
(c) Deployable Medical System (DEPMEDS)
(2) Primary means for the receipt and storage of bulk potable water and for wastewater management for the DEPMEDS hospital under tactical conditions.

Answer 19

Water distribution and waste management system (WDWMS)

Question 20

400-gallon water trailer

Answer 20

Used to distribute drinking water to field units.

Question 21

5-gallon water can

Answer 21

Unit water storage

Question 22

Disinfecting Method 1

Answer 22

(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.

Question 23

Disinfecting Method 2

Answer 23

(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.

Question 24

When is method 2 used

Answer 24

If either water or the required chemical are in short supply

Question 25

Alternative procedure

Answer 25

(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.