Tim Byrne-(E Sci)Bridget Finnegan-(Ch

E)Monica Virga-(PNGE)Riley Wingert-(M E)

Rain Water CatchmentRain Water Catchment

RiverRiver

Mass storage60,000 L Capacity

AgricultureAgriculture

Waste waterWaste water

Daily water storage

Daily water storage

FilterFilter

Daily potable storage

Daily potable storage

Bio dieselBio diesel HousingHousing

Drinking

Showers

Washing

Toilets

40 L/day

16 L/day

24 L/day

80 L/day100 L/day

300 L/day

50 L/day

3.4 in. avg./mo.1.5 L per ft2 in

680 L/day

Roofspace: 4000 ft2

200 L/day

Cooking

40 L/day

Back up water source

300 L/day

300 L/day

300 L/day

Catchment and Treatment System

4000 ft2

Mass Storage

P

P

Filter

Agriculture and Wastewater350 L/day

Potable 300 L/day

Holding tank

4 foot prototype

Gravity feed

Flow Rate = 99.2 L/m2*dayDiameter = 6 in = 0.152 m

Experimentation/PrototypingObjective: Filter 300 L/day

Volume ~ 200 L0.57 m dia.0.85 m high

We will need 6 – 8 filters.

Anticipated flowrate = 130.4 L/m2*dayAreaexperimental = 3.0 m2 Areatheoretical = 2.3 m2

Biological Slow Sand Filter Design

Schmutzdecke

Collection Piping

Clean water Primary effluent

Testing for Coliform

Methods:

• Laboratory

• One time use field tests

• Presence tests

• Local means

Pros:

• Reveals

Fecal coliforms

Other bacteria

• Portable

• Easy to Use

Cons:

• Cost - $10/each

• Non-reusable

• Restricted to occasional use

Enjoy Clean Water!

Clean bio-layer

Switch filters

Set flow rates

Pump waterOwnership

Responsibility

Better Health

Added Convenience

User Experience

User Attributes User Actions

Business Model

The CYEC kids will own the system and they make it a success by applying the

system to other applications

Goal:

Provide reliable and cheap means of Coliform testing to the eco-village and the near-by

communities.

Will be saving $500 per year in Municipal Water costs!

Start up cost: $1,684.70