Quality parameters of septage that need to be tested

  • aasimmansuri
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  • Engineer Planner, Research Associate at Performance Assessment Systems (PAS) for Urban Water Supply and Sanitation project in India
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Quality parameters of septage that need to be tested

Hi All,

I would like to know from the forum users regarding which type of quality parameters need to be tested for septage/fecal sludge collected from HHs and community toilet septic tanks , before planning for a septage treatment option.

It would be great if you could share any quality test results that have been taken for septage.

Many thanks.


Aasim Mansuri
Senior Research Associate,
Center for Water and Sanitation
CEPT University, Ahmedabad-380009, Gujarat, India
M: +91 98 98 324874 | O: +91 79 26302470

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  • Moritz
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Re: Quality parameters of septage that need to be tested

Dear Aasim,

I recommend you to have a look at Chapter 2 of the FSM book on faecal sludge characterization. You will find following this link: www.eawag.ch/fileadmin/Domain1/Abteilung.../FSM_Ch02_lowres.pdf

You common parameters for characterization of faecal sludge to plan and design faecal sludge treatment are:
- pH, electric conductivity, temperature
- Total solids
- Total suspended solids
- Biological and chemical oxygen demand
- Total phosphorus, phosphate
- Total Nitrogen, nitrate nitrogen, ammonia nitrogen, total kjeldhal nitrogen

This is a long list of parameters and might not be economical for every project. pH, electric conductivity, total solids, total suspended solids and chemical oxygen demand gives you a good idea what kind of sludge you are dealing with.

I hope this helps.


Moritz Gold
PhD student ETH Zurich & Eawag/Sandec
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