Classification of Water Bodies

Question 1

Salinity of freshwater

Answer 1

< 500 ppm

Question 2

Salinity of Marine Waters

Answer 2

< 30 parts per thousand

Question 3

Acronym

PNSDW

Answer 3

Philippine National Standards for Drinking Water

1993

Question 4

Unhabited watersheds; approved by disinfection only to be a drinking water

Answer 4

Class AA
Public Watter Supply Class I

Question 5

Water supply requires conventional treatment to be a drinking water

Answer 5

Class A: Public Watter Supply Class II

Question 6

Used for primary contact recreation (bathing swimming, etc)

Answer 6

Class B: Recreational Water Class I

Question 7

Protected waters and and Fishery Water Class I

Day 3 Items

Answer 7

Class SA

Question 8

Fishery water
Agriculture (indirect contact)

Answer 8

Class C

Question 9

For boating, fishing

Answer 9

Class C
Recreational Water Class II

Question 10

Navigable waters

Answer 10

Class D

Question 11

Protected waters (national parks, reserves)

Answer 11

Class SA

Question 12

Fishery Water Class I

Answer 12

Class SA

Question 13

Shellfish harvest for direct consumption

Answer 13

Fishery Water Class I

Question 14

Water for shellfish propagation

Answer 14

Fishery Water Class II

Question 15

What is included in Class SB?

Answer 15

Fishery Water Class II, Tourism Zone, and Recreational Water Class I

Question 16

Water for propagation of fish and other aquatic spcies

Answer 16

Fishery Water Class III

Question 17

What is included in Class SC?

Answer 17

Fishery Water Class III, Recreational Water Class I, and Mangroves

Question 18

Navigable waters of Marine

Answer 18

Class SD

Question 19

BOD Concentration

Class AA

Answer 19

≤ 5 ppm

Question 20

BOD Concentration

Class A

Answer 20

≤ 10 ppm

Question 21

BOD Concentration

Class B

Answer 21

≤ 10 ppm

Question 22

BOD Concentration

Class C

Answer 22

≤ 50 ppm

Question 23

BOD Concentration

Class D

Answer 23

≤ 100 ppm