this post was submitted on 17 Jan 2026
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Waterwell (lemmy.world)
submitted 3 months ago by redlemace@lemmy.world to c/homeassistant@lemmy.world
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Any experiences with measuring the water level in a well? My well is less than 5 Meters deep and 20 Meters from the house (no electricity available (yet, but who knows)

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[–] the_boxhead@sh.itjust.works 0 points 3 months ago (1 children)

I have a rainwater tank, and I use an esp32 (nodemcu) flashed with Tasmota, and a waterproof ultrasonic sensor to measure water level.

[–] a1studmuffin@aussie.zone 0 points 3 months ago* (last edited 3 months ago) (2 children)

Similar story here. I would guess an ultrasonic sensor would be the most reliable solution for OP, since all the tech can be kept at the top of the well. The only minor question I have is whether echoes would be an issue in a well, but I think it's worth trying to find out! You can get inexpensive preassembled units that work with Zigbee/Tuya,

Edit: This is what I used as a cheap off-the-shelf solution - https://a.aliexpress.com/_mPR6XlJ

[–] nogooduser@lemmy.world 0 points 3 months ago (1 children)

You have ultrasonic level sensors for oil tanks so I reckon that it would work in a well.

[–] redlemace@lemmy.world 0 points 3 months ago

I tried to make one, it had 4meter ranges and fell short

[–] limelight79@lemmy.world 0 points 3 months ago

I have one in my sump pit and it seems to measure the level of water just fine.