Picture credits

Photos come from Wikimedia Commons under the licences below. Some were taken outside Maryland; captions only name a place when the source does.

Photographs

• The Potomac River breaking white over dark rock at Great Falls under a partly cloudy sky. Richyad, CC BY-SA 4.0; cropped.
• Rocky Gorge Reservoir, still blue water with bare spring woods along the far shore. ssfaulkn, Public domain; cropped.
• Green water towers rising above pines near Beltsville, with snow along the road in front. Andrew Bossi, CC BY-SA 2.5; cropped.
• Sided bungalows with white fences on a street corner in Colmar Manor. Dclemens1971, CC BY 4.0; cropped.
• A crew in high-visibility gear at a water main break on a New York street, mud and meltwater across the pavement. Metropolitan Transportation Authority of the State of New York from United States of America, CC BY 2.0; logos or lettering blurred; cropped.
• An excavator digging a trench for a water main beside a dump truck, a safety observer in a hard hat nearby. NAVFAC, CC BY 2.0; logos or lettering blurred; cropped.
• Inside an emptied toilet tank, the plastic flapper on the flush valve with its chain and the overflow tube. Ranch9613, CC0; logos or lettering blurred; cropped.
• Water boiling hard under the glass lid of a steel pot on a kitchen stove. Ildar Sagdejev (Specious), CC BY-SA 4.0; cropped.
• Close view of a faucet end with pale hard-water scale crusted on its aerator. Bbypnda, CC BY-SA 3.0; cropped.
• A person filling a clear glass with water at a black kitchen faucet. Shixart1985, CC BY 2.0; cropped.
• A row of plastic water sample bottles lined up on a white laboratory bench. Stephane Lesbats (IFREMER, Pôle Images, Centre Bretagne - ZI de la Pointe du Diable - CS 10070 - 29280 Plouzané, France), CC BY 4.0; cropped.
• Rows of townhouses and parked cars on a street in the Kentlands-Lakelands area of Gaithersburg. Andrew Bossi, CC BY-SA 2.5; cropped.
• Brick houses and tidy lawns along a street in North Chevy Chase, the village sign on the sidewalk. G. Edward Johnson, CC BY-SA 4.0; cropped.
• The Potomac and its wooded far shore from Fort Washington Park, the small white light by the water. Ken Lund from Reno, Nevada, USA, CC BY-SA 2.0; cropped.

AI-generated pictures

These are captioned as AI-generated where they appear. They show no real house.

• A brass water meter with a round dial fitted in a copper pipe against a basement wall
• Sheets of household paperwork, a calculator and a pen on a kitchen table beside a coffee mug
• A drop of water falling from a chrome kitchen faucet over a stainless steel sink
• An oscillating sprinkler watering the front lawn of a brick suburban house on a summer morning
• A brass ball valve with a red lever handle on a copper pipe along a basement block wall
• A copper pipe coming through a concrete basement wall into a brass water meter and a shutoff valve
• Icicles hanging from a brass outdoor faucet on a brick wall, snow on the ground beyond
• Gloved hands turning a pipe cutter around a copper pipe in a basement, fittings laid out on a bench
• A white tank water heater with copper pipes on the floor of an unfinished basement
• A stack of plain window envelopes and folded bills on a wooden table next to a set of keys