Yen so Commune, Hanoi
Wastewater canal
(mainly septic tank effluent with some
industrial wastewater
and stormwater) with pumping
station to pump the
canal water into:
![Wastewater-fed fishpond](WSPphotos/Yenso2.JPG)
Wastewater-fed fish pond
![Local fish market](WSPphotos/Yenso3.JPG)
Wastewater-fed fish on sale in local market
![Vegetable irrigation](WSPphotos/Yenso4.JPG)
Vegetable production on fishpond embankment
![Aquatic vegetable production](WSPphotos/Yenso5.JPG)
Aquatic vegetable production with fishpond effluent
Photographs © Duncan Mara 2004-05
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