#sanitation

[reasonsforhope]

"Namibia is the driest country in Sub-Saharan Africa, and home to two of the world’s most ancient deserts, the Kalahari and the Namib. The capital, Windhoek, is sandwiched between them, 400 miles away from the nearest perennial river and more than 300 miles away from the coast. Water is in short supply.

It’s hard to imagine life thriving in Windhoek, yet 477,000 people call it home, and 99 per cent of them have access to drinking water thanks to technology pioneered 55 years ago on the outskirts of the city. Now, some of the world’s biggest cities are embracing this technology as they adapt to the harshest impacts of climate change. But Namibia leads the way.

How did this come about? In the 1950s, Windhoek’s natural resources struggled to cope with a rapidly growing population, and severe water shortages gripped the city. But disaster forced innovation, and in 1968 the Goreangab Water Reclamation Plant in Windhoek became the first place in the world to produce drinking water directly from sewage, a process known as direct potable reuse (DPR). 

That may sound revolting, but it’s completely safe. Dr Lucas van Vuuren, who was among those who pioneered Windhoek’s reclamation system, once said that “water should not be judged by its history, but by its quality”. And DPR ensures quality. 

This is done using a continuous multi-barrier treatment devised in Windhoek during eight years of pilot studies in the 1960s. This process – which has been upgraded four times since 1968 – eliminates pollutants and safeguards against pathogens by harnessing bacteria to digest the human waste and remove it from the water. This partly mimics what happens when water is recycled in nature, but Windhoek does it all in under 24 hours...

Pictured: These ultrafiltration membranes help to remove bacteria, viruses and pathogens. Image: Margaret Courtney-Clarke

“We know that we have antibiotics in the water, preservatives from cosmetics, anti-corrosion prevention chemicals from the dishwasher,” Honer explains. “We find them and we remove them.”

Honer adds that online instruments monitor the water continuously, and staff ensure that only drinking water that meets World Health Organisation (WHO) guidelines is sent to homes. If any inconsistencies are detected, the plant goes into recycle mode and distribution is halted until correct values are restored. 

“The most important rule is, and was, and always will be ‘safety first’,” says Honer.  The facility has never been linked to an outbreak of waterborne disease, and now produces up to 5.5m gallons of drinking water every day – up to 35 per cent of the city’s consumption.

Namibians couldn’t survive without it, and as water shortages grip the planet, Windhoek’s insights and experience are more important than ever.

Interest from superpowers across the globe

In recent years, delegations from the US, France, Germany, India, Australia, Singapore, and the United Arab Emirates have visited Windhoek seeking solutions to water shortages in their own countries. 

Megadrought conditions have gripped the US since 2001, and the Colorado River – which provides 40 million people with drinking water – has been running at just 50 per cent of its traditional flow. As a result, several states including Texas, California, Arizona and Colorado are beginning to embrace DPR.

Troy Walker is a water reuse practice leader at Hazen and Sawyer, an environmental engineering firm helping Arizona to develop its DPR regulations. He visited Windhoek last year. “It was about being able to see the success of their system, and then looking at some of the technical details and how that might look in a US facility or an Australian facility,” he said. “[Windhoek] has helped drive a lot of discussion in industry. [Innovation] doesn’t all have to come out of California or Texas.”

Pictured: The internal pipes and workings of Namibia's DPR plant. As water becomes scarcer in some parts, countries are looking to DPR for solutions. Image: Margaret Courtney-Clarke

Namibia has also helped overcome the biggest obstacle to DPR – public acceptance. Disgust is a powerful emotion, and sensationalist ‘toilet to tap’ headlines have dismantled support for water reuse projects in the past. Unfortunately, DPR’s biggest strength is also its biggest weakness, as the speed at which water can re-enter the system makes it especially vulnerable to prejudice, causing regulators to hesitate. “Technology has never been the reason why these projects don’t get built – it’s always public or political opposition,” says Patsy Tennyson, vice president of Katz and Associates, an American firm that specialises in public outreach and communications.

That’s why just a handful of facilities worldwide are currently doing DPR, with Windhoek standing alongside smaller schemes in the Philippines, South Africa and a hybrid facility in Big Spring, Texas. But that’s all changing. Drought and increased water scarcity worldwide are forcing us to change the way we think about water. 

Now, the US is ready to take the plunge, and in 2025, El Paso Water will begin operating the first ‘direct to distribution’ DPR facility in North America, turning up to 10m gallons of wasterwater per day into purified drinking water – twice as much as Windhoek. San Diego, Los Angeles, California, as well as Phoenix, Arizona are also exploring the technology."

Of course, DPR is not a silver bullet in the fight against climate change. It cannot create water out of thin air, and it will not facilitate endless growth. But it does help cities become more climate resilient by reducing their reliance on natural sources, such as the Colorado River. 

As other nations follow in Namibia’s footsteps, Windhoek may no longer take the lead after almost six decades in front.

“But Windhoek was the first,” Honer reminds me. “No one can take that away.”"

-via Positive.News, August 30, 2023

[gavamont]

A janitorial wizard that uses a mop as his magic staff. The mop head is really good for summoning and unsummoning water, but also we appreciate the janitor wizard just for the great magicks he does of keeping Wizard Town safe and clean.

[watermelonsource]

gaza: refugees lack basic hygiene, menstrual supplies

bisan owda, reporting from gaza:

• all information verifiable with google

• follow @watermelonsource for more "too much news at once" 🍉

[spacedocmom]

Doctor Beverly Crusher @SpaceDocMom You shouldn't have to ask health care workers to mask up properly any more than you should have to ask them to wash their hands. You're right to be frustrated and concerned by their apparent lack of basic medical hygiene. emojis: black heart, blue heart, masked 1:29 PM · Aug 26, 2023

[fernshawart]

I JUST SAW THIS FOR THE FIRST TIME TODAY

WHAT DO YOU MEAN SANITIZATION ISN'T INJECTED

WHAT DO YOU MEAN THE OCTARIANS DRINK IT

I KNOW THAT IT COMES OUT FROM A BLENDER BUT THAT IS NOT A REASON TO DRAW THAT

[religion-is-a-mental-illness]

[ancientorigins]

Today, more than ever, we know the importance of good hygiene, but what about our ancestors? From the Sumerians to Victorians, this is how people used to keep it clean.

[derseprinceoftbd]

In Chapter 12, and this is not very subtle Ms. Urban.

[quotesfrommyreading]

It is August 1854, and London is a city of scavengers. Just the names alone read now like some kind of exotic zoological catalogue: bone-pickers, rag-gatherers, pure-finders, dredgermen, mud-larks, sewer-hunters, dustmen, night-soil men, bunters, toshers, shoremen. These were the London underclasses, at least a hundred thousand strong. So immense were their numbers that had the scavengers broken off and formed their own city, it would have been the fifth-largest in all of England. But the diversity and precision of their routines were more remarkable than their sheer number. Early risers strolling along the Thames would see the toshers wading through the muck of low tide, dressed almost comically in flowing velveteen coats, their oversized pockets filled with stray bits of copper recovered from the water's edge. The toshers walked with a lantern strapped to their chest to help them see in the predawn gloom, and carried an eight-foot-long pole that they used to test the ground in front of them, and to pull themselves out when they stumbled into a quagmire. The pole and the eerie glow of the lantern through the robes gave them the look of ragged wizards, scouring the foul river's edge for magic coins. Beside them fluttered the mud-larks, often children, dressed in tatters and content to scavenge all the waste that the toshers rejected as below their standards: lumps of coal, old wood, scraps of rope.

Above the river, in the streets of the city, the pure-finders eked out a living by collecting dog shit (colloquially called “pure”) while the bone-pickers foraged for carcasses of any stripe. Below ground, in the cramped but growing network of tunnels beneath London's streets, the sewer-hunters slogged through the flowing waste of the metropolis. Every few months, an unusually dense pocket of methane gas would be ignited by one of their kerosene lamps and the hapless soul would be incinerated twenty feet below ground, in a river of raw sewage.

The scavengers, in other words, lived in a world of excrement and death. Dickens began his last great novel, Our Mutual Friend, with a father-daughter team of toshers stumbling across a corpse floating in the Thames, whose coins they solemnly pocket. “What world does a dead man belong to?” the father asks rhetorically, when chided by a fellow tosher for stealing from a corpse. “'Tother world. What world does money belong to? This world.” Dickens' unspoken point is that the two worlds, the dead and the living, have begun to coexist in these marginal spaces. The bustling commerce of the great city has conjured up its opposite, a ghost class that somehow mimics the status markers and value calculations of the material world.  Consider the haunting precision of the bone-pickers' daily routine, as captured in Henry Mayhew's pioneering 1844 work, London Labour and the London Poor:

It usually takes the bone-picker from seven to nine hours to go over his rounds, during which time he travels from 20 to 30 miles with a quarter to a half hundredweight on his back. In the summer he usually reaches home about eleven of the day, and in the winter about one or two. On his return home he proceeds to sort the contents of his bag. He separates the rags from the bones, and these again from the old metal (if he be luckly enough to have found any). He divides the rags into various lots, according as they are white or coloured; and if he have picked up any pieces of canvas or sacking, he makes these also into a separate parcel. When he has finished the sorting he takes his several lots to the ragshop or the marine-store dealers, and realizes upon them whatever they may be worth. For the white rags he gets from 2d. to 3d. per pound, according as they are clean or soiled. The white rags are very difficult to be found; they are mostly very dirty, and are therefore sold with the coloured ones at the rate of about 5 lbs. for 2d.

The homeless continue to haunt today's postindustrial cities, but they rarely display the professional clarity of the bone-picker's impromptu trade, for two primary reasons. First, minimum wages and government assistance are now substantial enough that it no longer makes economic sense to eke out a living as a scavenger. (Where wages remain depressed, scavenging remains a vital occupation; witness the perpendadores of Mexico City). The bone collector's trade has also declined because most modern cities possess elaborate systems for managing the waste generated by their inhabitants. (In fact, the closest American equivalent to the Victorian scavengers – the aluminium-can collectors you sometimes see hovering outside supermarkets – rely on precisely those waste-management systems for their paycheck.) But London in 1854 was a Victorian metropolis trying to make do with an Elizabethan public infrastructure. The city was vast even by today's standards, with two and a half million people crammed inside a thirty-mile circumference. But most of the techniques for managing that kind of population density that we now take for granted – recycling centers, public-health departments, safe sewage removal – hadn't been invented yet.

And so the city itself improvised a response – an unplanned, organic response, to be sure, but at the same time a response that was precisely contoured to the community's waste-removal needs. As the garbage and excrement grew, an underground market for refuse developed, with hooks into established trades. Specialists emerged, each dutifully carting goods to the appropriate site in the official market: the bone collectors selling their goods to the bone-boilers, the pure-finders selling their dog shit to tanners, who used the “pure” to rid their leather goods of the lime they had soaked in for weeks to remove animal hair. (A process widely considered to be, as one tanner put it, “the most disagreeable in the whole range of manufacture.”)

We're naturally inclined to consider these scavengers tragic figures, and to fulminate against a system that allowed so many thousands to eke out a living by foraging through human waste. In many ways, this is the correct response. (It was, to be sure, the response of the great crusaders of the age, among them Dickens and Mayhew.) But such social outrage should be accompanied by a measure of wonder and respect: without any central planner coordinating their actions, without any education at all, this itinerant underclass managed to conjure up an entire system for processing and sorting the waste generated by two million people. The great contribution usually ascribed to Mayhew's London Labour is simply his willingness to see and record the details of these impoverished lives. But just as valuable was the insight that came out of that bookkeeping, once he had run the numbers: far from being unproductive vagabonds, Mayhew discovered, these people were actually performing an essential function for their community. “The removal of the refuse of a large town,” he wrote, “is, perhaps, one of the most important of social operations.” And the scavengers of Victorian London weren't just getting rid of that refuse – they were recycling it.

  —  The Ghost Map: The Story of London's Most Terrifying Epidemic - and How it Changed Science, Cities and the Modern World (Steven Johnson)

[allthebrazilianpolitics]

Latin America’s Biggest Water Utility Gears Up for Privatization

Latin America’s largest water utility is getting ready for a public share sale next year that would see Sao Paulo’s state government give up control, according to the company’s chief executive officer.

Cia. de Saneamento Basico do Estado de Sao Paulo, known as Sabesp, has a “potential window” for the equity offering starting in mid-May, after Sabesp publishes its first-quarter financial results, and running until mid-August, Andre Salcedo said in an interview.

Salcedo, who took the reins in January, has launched a cost-cutting push that includes shedding about 15% of Sabesp’s staff and lowering energy expenses. The company is also working to reverse the post-pandemic surge in delinquency rates.

By selling the state’s controlling stake, the utility hopes to lure some key investors “with a long-term vision, knowledge of the infrastructure sector’s dynamics and the know-how of Brazil’s regulatory environment,” Salcedo said Thursday at Bloomberg’s Sao Paulo office.

Continue reading.

[reasonsforhope]

"Of South Korea’s countless kilograms of annual food scraps, very few will ever end up in a landfill. This is because of two reasons—the first is that it’s been illegal since 2005, and the second is because they have perhaps the world’s most sophisticated food waste disposal infrastructure.

While representing a significant burden on the economy, the food waste disposal nevertheless produces ample supplies of animal feed, fertilizer, and biogas that heats thousands of homes.

As the New York Times’ John Yoo and Chang Lee reported from Seoul, South Korean cuisine tends to lend itself to creating food scraps, since many staple dishes come with anywhere from a few to a few dozen sides.

With the culture erring on the side of abundance rather than restraint, many of these small dishes of tofu, kimchi, bean sprouts, and other bites would be tossed in the landfill if it wasn’t illegal to do so.

The government put the ban hammer on it because the mountainous terrain isn’t ideal for landfill construction.

Instead, restauranteurs and street hawkers pay the municipality for a sticker that goes on the outside of special bins. Once filled with food scraps, they are left on the road for collectors in the morning who take 90% of all such waste in the country to specialized collection facilities.

At apartments and among residential housing areas, hi-tech food waste disposal machines are operated by a keycard owned by residents under contract with the disposal companies.

Once taken to the recycling facilities, the food is sorted for any non-food waste that’s mixed in, drained of its moisture, and then dried and baked into a black dirt-like material that has a dirt-like smell but which is actually a protein and fiber-rich feed for monogastric animals like chickens or ducks.

This is just one of the ways in which the food scraps are processed. Another method uses giant anaerobic digestors, in which bacteria break down all the food while producing a mixture of CO2 and methane used to heat homes—3,000 in a Seoul suburb called Goyang, for example. All the water needed for this chemical process comes from the moisture separated from the food earlier.

The remaining material is shipped as fertilizer to any farms that need it.

All the water content is sent to purification facilities where it will eventually be discharged into water supplies or streams.

While one such plant was shut down from locals complaining about the unbearable smell, many plants are odorless, thanks to a system of pipes built into the walls that eliminate it via chemical reaction.

It’s the way South Korea does it. Sure, it costs them around $600 million annually, but they have many admirers, including New York City which hopes to implement similar infrastructure in the coming years."

-via Good News Network, June 15, 2023

[mermazeablaze]

Saw this vaguely threatening wall decal at Dollar Tree earlier.

[organizeworkers]

🚨Fundraising Alert🚨

Support Durham Workers Out of Work in Protest of Low Pay!

Durham sanitation workers are standing down, currently on their 3rd day out of work! These workers are standing up for all workers across the city, state, and country!

This fundraiser is to help cover the salaries of those workers that did not have sick or vacation time they could use to cover those days off work. There are several temporary workers that have no sick or vacation time, that took the stand.

There are new employees and others with chronic health conditions that also do not have leave time. These workers stood up for us, now we must stand with them!

[dingus0401]

it’s just come to my attention that people don’t wash their hands every time they get home? I’ve been doing it my whole life so this is kind of a shock💀

pls rb to make the sample sizer larger.

[dougielombax]

Okay.

Now.

I don’t want to alarm you.

But.

There is a Living Embodiment of Great and Irredeemable Evil living inside your fridge.

Alongside multiple Shambling Horrors that Defy Description Borne out of Desperate need for Survival in a World not Made for the Flesh.

Yeah.

This is gonna take a while to deal with.