Water Tariff in Apartment Communities

The Wishing Well As presented in Water Workshop organized by ApartmentADDA.com Avinash Krishnamurthy (avinash@biome-solutions.com) Biome Environmental Trust Rainwater Club Biome Environmental solutions Pvt Ltd

So Why Tariffs for water ?
Integral to managing
Quantity
Quality
Tariffs – Single most important economic tool

Cost Account for Water Separately
(as for energy or any other infrastructure service)
Don’t bundle it into a single maintenance cost – you lose track of what’s happening
What cannot be measured cannot be managed

Metering Source
Metering Distribution
Metering Consumption
Metering Waste
Water Balance –
Embedded Energy in Water -

Metering a Borewell – Electricity and Water Knowing your numbers

Every household connection METERED !!!!

An Ecological Framework : Water Balance

Capital Infrastructure Costs
(The borewells, pipes, meters etc)
Typically already paid up for
OR
Raise explicitly monies for implementing new infrastructure

Production cost of water Cost component Example expenses Example Sources of data Cost of maintaining source groundwater management and borewell maintenance Cost accounting monies spent on these (Bills) Cost of pumping from source Borewell / well pumping costs Electricity bills Cost of treating source quality to consumption quality RO system for TDS management Electricity and “Outsourcing” bills Cost of distribution pumping and distribution maintenance Hydro pneumatic pumping, valves, pipes maintenance Electricity and maintenance bills Cost of Conveying waste Sanitation pipes maintenance Cost accounting monies spent on these (Bills) Cost of Waste Water treatment STP running costs Electricity and “Outsourcing” bills Cost of Treated Waste water disposal “ Pumps to throw it out” / Wells to recharge treated waste water to ground / reuse for gardening Cost accounting monies spent on these (Bills) and Electricity bills Ecological Cost of Water : Cost of Returning it to nature at the same quality you extracted it

Go to Indiawaterportal.org
Search for “When Pigs fly : Citizens at the centre of integrated urban water management”
Download
Production cost of water tool
Ecological framework

Principles for Tariff Setting
Financial sustainability
Cover all operating costs (pumping bills,salaries etc) – assuming equity issues not there
Sinking fund for infrastructure maintenance
Water supply security
Water supply continuity fund (digging new borewells)
Ecological security and responsibility
Source management / Sustainability fund (eg: recharge and maintenance of recharge, future investments for reuse etc)

Principles for Tariff Setting
Demand Management (most important ?)
Increasing block Tariff
Incentivize conservative use of water
Penalize wasteful use
Let the Water Bill tell the story – its more than numbers

Demand Management
Control Lever : Water Tariffs
Don’t bundle Water charges into other charges
A Water Bill can be a communication tool (Make your bill tell the story)
Understand Production cost of water
Can an increasing block tariff be imposed ?
Are there mechanisms to penalise wasteful use
Are there mechanisms to incentivise conservative use
Consumption slab Tariff 0 – 10 KL Rs 10/- 10 – 20 KL Rs 15/- 20 – 30 KL Rs 25/- 30 – 40 KL Rs 40/- > 40 KL Rs 60/-

Demand Management
Water Literate means Water responsible
Engage with the community
Communicate water issues, get the kids involved
Educate Community
Provide Data and Information
Voices for Water !!!!
Water Efficient Devices
Taps : Flow rate ? 75lpm or 2 to 10 lpm
Showers : Flow rate ? 30lpm or 10 to 12 lpm (Bucket Bath ?)
Water closets : 10/20 litres or 6/3 litre dual flush
Washing m/c : 150 litres or 70-100 litres, Front loading not top loading
Bath Tubs : DON’T USE THEM (Bucket Bath ?)

Biome Environmental Trust
Urban water and Groundwater research
Engaging with Schools
Urban and Rural Sanitation
Section 12A / 80G
Donate generously ;-)

Biome Environmental Trust
(Rainwater Club)
[email_address]
www.rainwaterclub.org
www.biome-solutions.com
1022, 1 st floor, 6 th Block,
HMT Layout, Vidyaranyapura,
Bangalore – 560 097,
Phone : 080 41672790

A yielding recharge well !!

Rainwater sent for recharge Recharging a bore well Outlet pipe in recharge well

… So What is water quality ?...
Is your piped water, borewell water or tanker water clean ?
How do you know ? Have you tested water you use ?
And have you tested it after your aquaguard, RO system or whatever-else ?
BIS 10500:1991 –
Drinking water Standards for India, 33 parameters.
Formal water testing conducted in
Accredited Labs found in cities.
Water Quality issues to watch out for in cities :
a) TDS – High TDS in groundwater. Health issues and Problem for Fixtures, pipes, taste etc
b) Hardness – High hardness in groundwater. Health issues, Soaping, taste and stains
c) TSS – High TSS – associated typically with surface water sources. Sometimes piped water in blore has silt !!!
d) High Nitrates and phoshates – Urban area sewage mixing with water or seeping into groundwater
e) Bacterial and viral contamination – Source of this can be anything including way water is handled and stored.
f) In specific geologies issues like Iron, Flouride, Arsenic needs to be checked

Good Ground Water Management :
A component of good water management
Demand & Catchment Management
Source and Supply Management (covered)
Waste Water Management

Waste Water Management What goes around comes around Bangalore Ground water has high nitrates (upto 100-150) Waste Water you throw out comes Back into your borewell

Waste Water Management Is your STP working or is it just getting rid of your waste water ? Do you do regular checks of STP output water ? Is the contract with your STP operator linked to quality of output ? Does he have metrics of performance ? Can you reuse waste water ? Can you separate out different kinds of waste water ? Does your flushing need good quality water ? Can you treat waste water to good enough quality that you can recharge it ?

Dewats

Dewats with Grey water recycle Reuse Waste Water (eg: Grey for flushing, Treated black/grey for irrigation) And use the treated waste water to irrigate Your roof farm that produces food

Getting Maverick : Turn sewage to a nutrient through Eco-san

The choice is yours:
Want to be part of the solution ?
or
Want to be part of the problem ?

Kunju Azhil, 57 Started digging surangas when was 16 Surangas of Kasargod

How much water do I use ? Real Consumption range : from 50 to 300 liters per person per day National Town planning Norms : Urban : 135 Lpcd Rural (Karnataka) : 55 Lpcd How much Water do YOU Use ? Use Litres/person Drinking 3 Cooking 4 Bathing 20 Flushing 40 Washing-clothes 25 Washing Utensils 20 Gardening 23 Total 135

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Water Tariff in Apartment Communities

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