How much dirt do you get in your daily household wastewater?

Generally, it is said that the amount of dirt that one person emits per day is 58g, nitrogen 13g, and 1.4g phosphorus.
Calculating the amount of water used by one person per day as about 200L, the dirt contained per liter of wastewater is as follows:

• BOD 0.29g
• Nitrogen 0.065g
• Phosphorus 0.007g

Normally, the BOD of the water quality of a clean river where ayu etc. can live is said to be about 0.005 g per liter.

[References]
Water Management and Land conservation Bureau, Ministry of Land, Infrastructure, Transport and Tourism Comprehensive sewerage improvement plan survey by basin 38p． January, 2015