SUSTAINABLE BUILDING
TOPIC - WATER MANAGEMENT
SUBMITTED TO – SUBMITTED BY –
Ar. Siddhant Aarushi Barnwal
UID – 17BAR1047
INTRODUCTION TO WATER MANAGEMENT -
Water management is the activity of planning, developing, distributing and managing the optimum use of water resources. It is
an aspect of water cycle management.
Ways to Save Water
Water harvesting: The technique to save water is called water harvesting. In summers water level of
rivers goes below, people do not have sufficient amount of water to drink like in Rajasthan. Hence it
is important to save water.
It can be done by two major processes –
Rainwater harvesting: It is a method of collection and storage of rainwater into natural reservoirs or
tanks or the infiltration of surface water into subsurface aquifers.
Groundwater harvesting: Groundwater harvesting is a method to save water placed under the
ground to control the groundwater flow in an aquifer and to raise the water table.
Drip irrigation: Drip irrigation is a type of irrigation which that saves water and fertilizer by
dripping water slowly to the roots of various crops, either onto the soil surface or directly onto the
root zone, through a network of valves, pipes, tubing, and emitters.
Rainwater harvesting: Rainwater harvesting is the accumulation and deposition of rainwater for
reuse on-site, rather than allowing it to run off. Here, rainwater is stored for further use.
IMPORTANCE OF WATER MANAGEMENT -
Water Management is important since it helps determine future Irrigation
expectations.
1. Our access to water is limited
2. Water management addresses complex issues
3. Water management tackles serious challenges
4. Water management and food production are linked
5. Water scarcity affects over 40% of the world’s population
6. Poorly-managed water resources are deadly
7.Good water management benefits everyone
COMPONENTS OF WATER MANAGEMENT –
Water-control facilities and environmental elements work together in water resources systems to achieve water management
purposes.
Structural components used in human-made systems control water flow and quality and include
• conveyance systems (channels, canals, and pipes),
• diversion structures, dams and storage facilities,
• treatment plants,
• pumping stations and hydroelectric plants,
• wells,
• and appurtenances.
Elements of natural water resources systems include
• watersheds (drainage basins),
• stream channels,
• wetlands,
• floodplains,
• aquifers,
• lakes,
• estuaries,
• seas,
• and the ocean.
VARIOUS TREATMENT FOR WASTE WATER MANAGEMENT –
Physical Water Treatment
In this stage, physical methods are used for cleaning the wastewater.
Processes like screening, sedimentation and skimming are used to remove
the solids. No chemicals are involved in this process.
Biological Water Treatment
This uses various biological processes to break down the organic matter
present in wastewater.
It can be divided into three categories:
Aerobic processes: Bacteria decomposes the organic matter and converts
it into carbon dioxide that can be used by plants. Oxygen is used in this
process.
Anaerobic processes: Here, fermentation is used for fermenting the waste
at a specific temperature. Oxygen is not used in anaerobic process.
Composting: A type of aerobic process where wastewater is treated by
mixing it with sawdust or other carbon sources.
Sludge Treatment
This is a solid-liquid separation process where the least possible residual
moisture is required in the solid phase and the lowest possible solid
particle residues are required in the separated liquid phase.
Solid-liquid separation device
A solid-liquid separation device such as a centrifuge is used for removing
the solids from the wastewater.
Wastewater has a lot of impact on the natural world and it is important to
treat it effectively. By treating wastewater, you don't just save the
creatures thriving on it, but also protect the planet as a whole.
VARIOUS TECHNIQUES/TECHNOLOGIES WATER MANAGEMENT -
1. Meter/Measure/Manage
Metering and measuring facility water use help to analyze saving opportunities. This also
assures the equipment is run correctly and maintained properly to help prevent water
waste from leaks or malfunctioning mechanical equipment.
M-bus water Digital water
meter meter
2. Replace Restroom Fixtures
Toilets used 3.5 gallons per flush (gpf).
Nearly all EPA laboratories have since installed water-efficient fixtures, many of which
have earned EPA’s WaterSense label for efficiency and performance. These include:
New toilets with flow rates of 1.28 or 1.6 gpf.
WaterSense labeled urinals flushing at 0.5 gpf or less.
WaterSense labeled showerheads flowing at 2.0 gallons per minute (gpm) or less.
3. Use Water-Smart Landscaping and Irrigation
Planting native and drought-tolerant plant species minimizes the need for
supplemental irrigation. Landscape water use can also be reduced 10 to 20
percent by having an irrigation water audit
4. Control Steam Sterilizer Water
Steam sterilizers use cooling water to temper steam condensate discharge
from the sterilizer to the laboratory drain. Many older sterilizers discharge
a continuous flow of tempering water to the drain, even when it is not
needed.
5. Recover Rainwater
A rooftop rainwater recovery system at EPA’s Region 7 Science and Technology
Center in Kansas City, Kansas.
Recovery systems capture rainwater from the roof and redirect it to a storage tank.
This water is used for flushing toilets, supplying cooling towers and irrigating the
landscape.
EXAMPLES -
Brock environmental center
• Brock is truly net-zero water building.
• Two curve metal roofs capture rainwater, filling two 1650-gallon.
• Rainwater is filtered and disinfected, and supplies all water uses within the Center.
• Greywater from sinks and showers is piped to a greywater rain garden (raised above sea-level) that treats the water allowing it to
infiltrate.
• Excess roof runoff is diverted to raingardens that naturally filter and infiltrate runoff, managing all stormwater on site.
• All hardscape is composed of permeable pavers and gravel, with adjacent rain gardens and bioswales to treat runoff, allowing for
infiltration. All landscaping is native to the region.
The Center is net zero water and meets all water demand using
captured rainwater.
Percentage of water consumed onsite from rainwater capture -
100%
THANK YOU
