Frozen pipe photos: the picture shows where it split, not why it froze

The first hard freeze of the winter comes on a weekend. On Monday a tenant texts a photo of water pouring through a kitchen ceiling. The emergency plumber’s invoice arrives with two pictures: a copper line split along its length, and a wet subfloor. Then the water mitigation company sends its own invoice, with forty photos of fans and torn-out drywall. Someone is going to pay for all of it, and the first question is why the pipe froze. None of those photos answers that question. This piece explains what they do show, which other records can answer it, and why those records have to be collected in the first few days. It is not legal advice.

Why the cause decides who pays

Colorado puts the two sides of a frozen pipe in two neighbouring sections of its landlord-tenant law. On the landlord’s side, the warranty of habitability in C.R.S. 38-12-505(1)(b)(V) includes “functioning heating facilities” that are “maintained in good working order”. On the tenant’s side, C.R.S. 38-12-504 asks a tenant to use the unit’s plumbing and heating “reasonably” (subsection (1)(d)). It also asks them to tell the landlord promptly about a condition that could make the unit uninhabitable if it isn’t fixed (subsection (1)(f)). It forbids damaging the premises negligently (subsection (2)). And C.R.S. 38-12-503(9) says a condition substantially caused by the tenant’s misconduct, or by someone in the household or a guest, is not a breach of the warranty.

So the same split pipe can point two ways. The tenant turned the heat off for a ski trip, or left a window open in a cold snap. Or the furnace quit on Saturday night and nobody could reach the landlord. Utah and the other Mountain West states have their own wording, and we have read only Colorado’s for this piece. The question it turns on is a question of fact either way, and it is a fact the photos don’t record.

What the photos do show

• Where the pipe failed. A split on an outside wall, in a crawl space, or under a sink against an exterior wall is the classic pattern. The public utilities department of Richmond, Virginia, lists “outdoor pipes, unheated basements, crawl spaces and garages” as especially vulnerable.
• What the failure looks like. A long split along the pipe is what freezing pressure tends to leave. A failed fitting or a corroded pinhole points somewhere else. Your plumber can read that from a clear photo, and better from the piece itself.
• How far the water went. Which ceilings, which floors, which unit below.
• When each photo was taken, if the file still carries the camera’s own clock. The checker reads that. A tenant’s photo that arrived by text message usually doesn’t carry it any more, which is not a sign of anything except the text message.

What they can’t show

• What the thermostat was set to on Saturday night. A photo of the thermostat shows the setting when the photo was taken. By the time anyone thinks to take it, the heat has usually been turned back up.
• Whether the furnace was running. A cold furnace on Monday morning doesn’t say when it stopped, or why.
• Whether a window was open, or for how long.
• How cold it got. That comes from a weather record, not from the picture.
• Whether the forty mitigation photos are forty different rooms. The same fan photographed from two angles is two photos. That is a counting question, and it is covered below.

The records that can answer it, and why they go stale fast

• A smart thermostat’s history. Many keep a log of the setting and the indoor temperature, but often only for a limited time. Ask for an export in writing in the first days, before it rolls off.
• The furnace technician’s findings. Have the furnace looked at before anyone replaces parts, and get the finding written on the service ticket: a failed igniter, an empty tank, a tripped switch, or nothing wrong.
• The piece of pipe. Ask the plumber to keep the cut section and photograph it, with both ends and the split in one frame. Label it with the unit and date.
• The weather record. NOAA publishes free daily low temperatures by station. The snow removal piece walks through finding them. The nearest station is not your building.
• The notice trail. When the tenant first told you, and how. A text with its own time on it, a portal ticket, a voicemail. 38-12-504(1)(f) asks for prompt notice, and a delay can matter as much as the cause.
• Utility usage. A gas bill that drops to almost nothing for the billing period is worth looking at. It covers a month, not a night, so it can raise the question but not settle it.

Each of these is corroboration. None of them is proof on its own, and a mismatch between them is a question to ask, not a finding.

The contractor invoices

Emergency plumbing and water mitigation are billed fast, often by a company you haven’t used before, and often on photos alone. A few checks take minutes:

1. Ask for the original files, not photos pasted into the invoice PDF. A picture inside a PDF has usually lost its camera record. Why, and how to ask for the originals.
2. Check the dates against the call. A photo dated before the tenant’s text, or a week after the crew says it left, is a question for the contractor.
3. Look for duplicates. Drop the whole set on the checker. It marks any two files that are the same file, even under different names.
4. Look for photos that came from somewhere else. A burst-pipe picture that is a little too clean may have come off the internet. How to check a repair photo you suspect was copied.
5. Read the drying log, not just the photos. A mitigation company should record moisture readings by room and day. Fans in a photo don’t show that anything was dry when they left.

Whether someone used AI on it

An AI image of a burst pipe is easy to make now, and some generators write a mark into the file saying so. The checker reads those marks, and the notes some phone editors leave when generative AI was used to alter a photo. A file with no such mark is not proven real. Most fakes and most genuine photos look the same to a file reader once they have been through a chat app or a screenshot.

A routine for the first week

1. Before the freeze, send tenants the heat-on reminder in writing. Richmond’s utilities department advises: “When away from home, set thermostat to no lower than 55° F.” Keep a copy of what you sent and when.
2. On the day, photograph the thermostat setting and display, the furnace, every window in the affected rooms, and the failure point before it is cut out. Use the camera app and keep the originals.
3. Keep the cut section of pipe and the plumber’s and furnace technician’s written findings.
4. In the first few days, ask in writing for the smart thermostat export, and save the tenant’s first message with its time.
5. Before paying the invoices, get the original photo files and run them through the checker together.
6. Keep the files you relied on. A saved report lists every file’s SHA-256, so anyone can later confirm the file in front of an adjuster or an arbitrator is the one you checked.

The limits, stated plainly

• A photo shows where a pipe split and how far the water went. It doesn’t show why the pipe froze, what the heat was set to, or who was responsible.
• Dated photos, thermostat logs and weather records are corroboration, not proof. Camera clocks can be wrong, a station is not your building, and camera data can be edited by someone who means to.
• A photo with no camera record is not a fake. Text messages, chat apps and many portals remove the record from genuine photos every day.
• The statute text is from the official Colorado Revised Statutes 2026. On 31 October 2026 we corrected the misconduct citation, which pointed at a subsection number from before the 2024 rewrite. We have not read the other states’ wording for this piece, and your lease and your insurance policy may say more than the statute does.
• Our checker gives no confidence score and does not judge a picture by looking at it. It reads what is in the file, in your browser, and uploads nothing. A file with no AI marker is not proven real.
• This is not legal advice.

State by state: deposit deduction rules across the Mountain West, side by side.

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