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Rainwater toilets and greywater showers: City tries new water-saving tricks

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Posts: 4
(@scottcyclist)
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I get what you’re saying about push-fit—seems easy until you start thinking about what happens if it fails and no one notices for weeks. I’ve never had one fail behind a wall (knock on wood), but I did have a slow leak under a sink once that turned into a whole mess with warped cabinets. That was enough to make me double-check everything now, especially in spots I can’t see.

With all these new rainwater and greywater setups, though, I keep wondering: is the extra plumbing worth the savings if you have to worry about leaks in even more places? Like, does anyone actually track how much maintenance costs go up with these systems over time? I’m all for saving water, but if it means more stuff to break (and more to pay for), not sure it’s such a win. Anyone actually run the numbers on this or is it just one of those “sounds good on paper” ideas?


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Posts: 11
(@emilyanimator)
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I’ve wondered about that too. The upfront savings on water bills look good, but I haven’t seen much hard data on long-term maintenance costs. A buddy of mine retrofitted his place with greywater for the garden, and he said the extra valves and filters do need more attention than regular plumbing. He figures it’s still worth it for him since he’s handy, but if you’re hiring out every repair, the math probably changes fast. Seems like one of those things where the payoff depends a lot on how much DIY you’re willing to do and how easy it is to access everything for checks.


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(@charlesscott871)
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I’ve worked on a few of these setups, and honestly, your buddy’s not wrong about the extra maintenance. Greywater systems are clever, but they’re not “set it and forget it.” Filters clog up faster than you’d think, especially if folks aren’t careful about what goes down the drain. I’ve seen hair, soap scum, even the odd bit of food gunk up a filter in no time. And those diverter valves? They’re great until someone forgets to cycle them or they get stuck from mineral buildup.

One job I remember, the homeowner was super enthusiastic at first—loved the idea of saving water and money. But after a year or so, he called me out because his garden was getting swampy and the system was backing up. Turned out he’d skipped a couple filter cleanings and didn’t realize one of the valves had jammed halfway. Not a disaster, but it took some work to sort out.

If you’re handy and don’t mind crawling under the house every few months, it’s manageable. But if you’re calling someone like me every time there’s a hiccup, those savings can disappear pretty quick. Parts aren’t always standard either—sometimes you’re waiting on specialty stuff that isn’t at the local hardware store.

I’m not saying don’t do it—just go in with your eyes open. It’s not like swapping out a faucet or fixing a leaky toilet. There’s more moving parts and more things that can go sideways if you’re not paying attention. Some folks love tinkering with this stuff; others just want to flush and forget about it. Depends which camp you’re in, I guess.


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oreoperez213
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(@oreoperez213)
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That’s the part that worries me, honestly. I love the idea of saving water (and money), but if it means crawling around under the house every couple months or dealing with specialty parts, I’m not sure it’s worth it for my sanity—or my wallet. I’m pretty handy, but I’ve got enough on my plate already.

How big of a risk is it if you miss a filter cleaning or forget to check a valve? Are we talking minor inconvenience, or could it actually cause damage to the house or plumbing? I’d hate to save a few bucks on water just to end up with a flooded crawlspace or mold issues.

Also, what about safety? Any concerns with bacteria or odors if something goes wrong? I’ve got kids and pets, so that’s always in the back of my mind. The city makes these systems sound super easy, but real-world stories like yours make me think twice. Maybe this is one of those things that sounds better on paper than in practice...


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Posts: 8
(@ashleyastronomer)
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I get where you’re coming from—honestly, I had the same worries before we tried a greywater setup for our laundry. Here’s what happened: the first year, I was super diligent about cleaning the filter and checking everything. Then life got busy, and I missed a couple of checks. Ended up with a slow leak under the house because a valve got clogged. It wasn’t catastrophic, but it did mean a weekend spent drying things out and replacing some insulation. Not fun, and definitely not cheap.

As for safety, I’m pretty cautious too. If you skip maintenance, you can get some nasty smells or even bacteria growth, especially in summer. My neighbor had to rip out part of his system because of mold after a filter backed up. With kids and pets, that’s not something I want to risk.

Honestly, unless you’re really on top of the upkeep, these systems can be more hassle than they’re worth. The city’s pitch makes it sound plug-and-play, but in reality, it’s more like owning an old car—you’ve got to keep tinkering with it. If you’re already stretched thin, it might be smarter to stick with low-flow fixtures and rain barrels for the garden instead.


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