A crisp and precise presentaion on Arcata waste water treatment which will help you in your studies. For original ppt file, contact me at : Instagram: _s_a_k_s_h_a_m_ Twitter: @_SakshamAgrawal or mail me at saksham.agrawal512@gmail.com

1. An initiative in waste water
treatment in the town of
Arcata
Submitted By:
Saksham Agrawal
Class 12th A

2. “You start by working for the
ecosystem, but pretty soon you
figure out how to get the
ecosystem working for you!
2

3. Integrated Waste Water
Treatment
Natural
Process
Artificial
Process

4. Artificial Process
It includes:
⇨ The conventional sedimentation
⇨ Filtering and chlorine treatments but
⇨ The dangerous pollutants like dissolved
metals still remain

5. It includes:
⇨ a series of six connected marshes over 60
hectares of land
⇨ seeding of appropriate plants, algae, fungi and
bacteria to
⇨ neutralize, absorb and assimilate the pollutants
of water naturally as it passes through the marshes
Natural Process
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6. Benefits
⇨ Marshes constitute a sanctuary with a
high level of biodiversity
⇨ No sewage produced in the process
and hence, no sewage treatment
required which in turn saves money
⇨ Formation of a citizens group called
Friends of the Arcata Marsh [FOAM] to
upkeep and safeguard the project, this
also provides employment to the people.
6

7. EcoSan
⇨Abbreviation for Ecological Sanitation
⇨Sustainable system for handling human
excreta using dry composting toilets.
⇨A practical, hygienic, efficient and cost-
effective solution to human waste disposal
⇨With this method, human excreta can be
recycled into a resource (as natural
fertilizer)
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8. 8
Bibliography
NCERT Biology textbook for Class XII
Webliography
www.google.co.in
www.arcatamarshfriends.org