Four ways to handle it off-grid
No sewer hookup means choosing a system. Each has a place depending on water, budget, and county rules.
- Composting toilets — no water, no septic, legal in many places.
- A conventional septic system — the most house-like, but the most cost and permitting.
- A vault toilet or outhouse — simple and old-school where allowed.
- An RV black tank — fine short-term, but you have to haul and dump it.
The low-water favorite
For water-scarce off-grid land, composting toilets are popular for a reason: they use no water and no septic.
- They separate and break down waste with little or no water.
- No plumbing or leach field means lower cost and easier siting.
- They need regular emptying and a bit of attention to do their job right.
The conventional route
If you want a normal bathroom and the budget allows, septic is the gold standard — but it has hoops.
- You'll usually need a perc test to prove the soil drains.
- Counties regulate design, permits, and inspections.
- It's the highest up-front cost of the options, so confirm it's worth it for your build.
Reuse what you can
Separating greywater (sinks, showers) from blackwater (toilet) lets you put that water back to work.
- Greywater can irrigate trees and non-food plants where local rules allow.
- Keep it simple and use plant-safe soaps.
- Never mix greywater reuse with toilet waste — that's a health line you don't cross.
Check before you build
Sanitation is the most regulated part of going off-grid. Confirm what's legal where you are first.
- County health departments set what systems are allowed.
- Some areas explicitly permit composting toilets; others don't.
- Permitting up front beats tearing out a system later.
Out near Concho or St. Johns? We'll bring it to your land.
Water, propane, groceries, gas cans, lumber, a forgotten part from town — Concho Dash runs errands and deliveries straight out to off-grid parcels in the area. No app, no membership. Text what you need.
See what Concho Dash hauls → Text or call · 480-201-7275Want the full off-grid playbook?
The High Desert Survival Guide covers sanitation alongside water, power, and the rest of setting up a remote home.
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