Our teams are working against the clock trying to provide a safe water supply to people struggling to find a drink amid muddy ponds. We're teaching families how to purify water and repair hand-powered water pumps as fast as we can. It's pouring now, but in the coming months a dry season threatens to boil water sources bone dry.
Makeshift toilets are dotted across the camp, dug in spare inches of soil. Water pumps are becoming contaminated and spreading disease. Diarrhoea spreads faster than a bushfire under these conditions, and it's fatal to the already malnourished children.
We're going from shelter to shack educating people about the importance of hygiene. Simple messages: washing hands saves lives; using toilets saves lives; storing clean water saves lives. But this place is not simple. I am in the middle of one of the most complex emergencies our region has ever seen.
Although conditions are extremely tough and precarious inside the camps, I see evidence everywhere I look of how the people are welcoming, resilient and resourceful. They support each other despite their hardships. It fills me with hope among all the anguish.
Soon we will have a population the size of Adelaide squashed into a tiny strip of land. No one knows when they can return home to Myanmar, if ever. Their uncertain future compounds the trauma.
I have seen how a little help can go a very long way to providing the basics that everyone here deserves.
Yes, the international community needs to do more to alleviate this crisis. But we can all do something today to make life just a little easier for women, children and men living in these most awful conditions.
I see how any donation can provide more food, equip more medical clinics, build better toilets and sustainable water pumps, and protect children from further harm. It can show these resilient, loving, brave people that they are not forgotten; that they matter.
I hope that my fellow Australians can dig in and help our neighbours in their hour of need.
Mark Handby is a water and sanitation engineer. He is working in the Bangladesh camps with the International Federation of Red Cross and Red Crescent response to help people who have fled from Myanmar.