GEOLOGY OF GROUNDWATER OCCURENCE Flashcards
how many identified watershed in davao city
9
describe water balance equation
P=Q+E+DELTA S
P= precipitation
q= runoff
E= evapotranspiration
delta s= change in storage
average rainfall in ph
2400 mm per year
average groundwater
20 Bcu.m
average surface water
125.8 Bcu.m
ph percentage use of water
agri 74%
industrial 9%
domestic 17%
who regulates the water resource?
National Water Resource Board
role of the National Water Resource Board
policy formulation and coordination
resource regulation
economic regulation
they implement of the water code of the ph
LEVELS OF WATER SUPPLY SERVICE
Level 1 Point Source
Level 2 - Communal Faucet System or Stand Post
Level 3 - Waterworks System
Level 1
A protected well or developed spring with an outlet but without a distribution system.
The farthest user is not more than 250 meters from the source.
level 2
communal faucets.
The farthest user is not more than 25 meters from the source.
level 3
Waterworks system or individual house connections
A system with a source, a reservoir, a piped distribution network and household taps
SERVICE PROVIDERS
. Local Government Units
. Water Districts
. Large-scale Private Operators
Small-scale independent providers
legal basis of water districts
PD 198
LOCAL
WATER
UTILITIES
ADMINISTRATION
WATER DISTRICT’S MANDATE
provide water supply;
provide, maintain and operate wastewater survices; and
pursue water resource development
