Classification of waste and waste management.

1. Water Conservation and Policies
of the Philippines
A.PD No. 424 (1974) NATIONAL
WATER RESOURCES COUNCIL
(NWRC)
• Coordinate and integrate the plans and
policies for the appropriation and
utilization of ground water resources.
• Conduct research studies with other
government on water resource
development.

2. Water Conservation and Policies
of the Philippines
B. PD No. 1067 (1976) Water Code
• Consolidated the laws in governing the
ownership, utilization, exploitation,
development, conservation and protection
of country’s water resources subject to
the control of NWRC.

3. Water Conservation and Policies
of the Philippines
C. Executive Order No. 222 (1995)
• Establishment of Presidential Committee
on Water Conservation and Demand
Management for a nationwide Water
Conservation Plan
• This is brought about by experiences in
water crises.

4. Water Conservation and Policies
of the Philippines
D. National Water Crises Act of 1995
(RA No. 8041)
• Addresses country’s water problem
through integrated water management
program
• Development of new water resources and
conservation of watersheds

5. Water Conservation and Policies
of the Philippines
E. Philippine Clean Water Act of 2004
• Providing for a Comprehensive Water
Quality Management and for other
purposes
• Water management on: domestic uses,
municipal, irrigation, power generation,
fisheries, livestock raising, industrial,
recreational and other purposes

6. Waste Management
Reducing the production of waste in
home, school and around the community.

7. Waste Management
Generation
Prevention
MonitoringRecycling
Treatment

8. SOLID WASTES

9. A. Mining Waste
• Generated from great rock ores
obtained from the mining site.
• Extract from milling operations.
• Waste “tailings” from sorted
• Hazardous chemicals from
tailings may contaminate water.

10. B. Agricultural
Waste
• Waste generated from raising
animals and harvesting or
processing of crops.
• Agricultural waste could
contaminate surface and
ground water resources due to
toxic runoff.

11. C. Industrial Waste
• Variety of materials such as
demolition waste, scraps from
manufacturing processes and
ashes from combustion.
• They are classified as
hazardous waste and must be
disposed properly in landfills.

12. D. Municipal Solid
Waste
• Materials that people in a region
no longer want because of
destruction and spoilage.
• Origin: Households,
establishments, institutions and
etc.
• Organic solid waste can be used
as fertilizers.

13. METHODS OF WASTE DISPOSAL

14. A. Landfills
• Cheapest and the most convenient
way of disposing waste.
• Trash or piles of garbage are buried
and covered with layers of soil.
• Groundwater contamination will tend
to occur.

15. B. Incineration
• Burning waste materials in controlled
manner using incinerator.
• Gasses and particles are treated for
removal of pollutants before going in
to atmosphere.

17. C. Mulch and
Compost
• MULCH is an organic material that is
used to cover the soil.
• COMPOSTING is a natural way of
allowing the natural process of
decomposition to transform organic
materials into COMPOST.

18. D. Source Reduction
A method of designing,
manufacturing, purchasing,
using and reusing materials.
Amount of waste or its
level of toxicity is
reduced.

19. Waste Segregation
Waste
Solid Watse
Liquid Waste
Gaseous Wste