A sprinkler head failed — and it's buried somewhere under the sod

“Sometimes sprinkler heads can get buried under overgrown vegetation or dirt after landscaping renovations.” — real buyer, https://www.dripworks.com/blog/how-to-locate-the-sprinkler-heads-with-overgrown-vegetation

The reason a buried head is so hard to find is that nothing on the surface points to it anymore — sod has grown over it, mulch covers it, or a landscaping job reshaped the bed. The pro stop-gap is to run the zone, flag every head you can see while the water is on, and sketch a map of the spacing so the missing ones fall into place. That works in the moment, but flags get mowed and the paper map is gone by next season.

The durable fix is to record each head's exact location the one time it is visible. Stand on the head, capture the GPS point, and add a short relative note like 'Zone 2 head, 11 ft NE of the maple, under sod.' Because a single phone GPS reading can drift several feet under tree cover, the note and a re-averaged point together get you within a shovel-width — close enough to dig one precise hole instead of trenching the whole bed. Do this for every head, valve box, and the backflow once, and you never hunt blind again.

Artifact Tracker Studio is a one-file app built for exactly this: tap Mark Here on each head, add a photo and a relative note, then months later open the Compass Tracker, pick that head, and a needle plus a live distance readout walk you right to it. It works offline in the yard, costs one payment with no subscription, and every mark stays on your own phone.

Common questions

• How do I find a sprinkler head buried under the grass?
  Run the zone and flag the visible heads, then use the spacing to locate the missing one — and record its GPS spot plus a relative note (e.g. '11 ft NE of the maple') so you can walk straight back next time instead of probing blind.
• Is phone GPS accurate enough to relocate a sprinkler head?
  A single reading can drift several feet under tree cover, so pair the coordinate with a short relative note and re-average the point. Together they get you within a shovel-width — one precise hole instead of digging up the bed.
• How do I keep track of all my heads and valves?
  Mark each one while it is still visible, with a type, photo, and note, in a single searchable log. Artifact Tracker Studio keeps that record offline on your phone and navigates you back to any of them with a compass.