1. Manual for selection of system
for waste-water purification for
country-houses in rural areas
Arvo Järvet
Estonian Water Association.

2. •Permanent living-hous
•Summerhous (second home)
1. STEP
2. STEP
•Latrine
•WC
3. STEP
•Latrine with classical collecting tank
•Latrine with separate urine tank
•Grey water into collecting tank
•Grey water to treatment
4. STEP

3. SPECIAL ATTENTION FOR LOCAL
TREATMENT NATURAL CONDITIONS
•Land use type
•Relief conditions
•Existence of recipient water-body
•Soil and Quaternary sedimets
•Ground water level (Hmin 1,2 m from surface)
•Ground water sensitivy at pollution risk

4. Collecting tanks

5. Collecting tank and individual treatment plant

6. Collecting tank + irrigation in summer and
individual treatment plant

7. All waste-waters into collecting tank, but
suspended partricles partly to composting

8. Separated black and grey water

9. All waste-waters together into collecting tank

10. Septic tank + filter for phosphorous removal

11. Septic tank + filter for phosphorous removal
combined in one tank

12. Septic tank + dosing device for phosphorous
removal combined in one tank

13. Septic tank + filter system

14. Septic tank + filter system in high groundwater conditions

15. Activated sludge treatment plant “Bio-fix”

16. Septic tank + infiltration into the ground

17. Septic tank + infiltration into the ground in high
groundwater conditions

18. Septic tank + limestone filter

19. Septic tank + limestone filter

20. SADEMEVESI –
IGAVENE PROBLEEM
Handbook for
selecting the
technical solution
of systems for
waste-water
purification in rural
areas
Compiled by Arno and
Terje Ilves.
Edited by prof Alex
Maastik.
Coordinator: Arvo
Järvet

21. Aitäh kuulamast ja kaasamõtlemast
ning sisukat arutelu soovides
ma lõpetan
Thank you for your attention and welcom to
Estonia!