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BOYNTON BEACH · IRON STAINS

Orange & Rust Stains From Water in Boynton Beach

Orange stains around a Boynton Beach home most often trace back to iron in water from a private irrigation well. City water is an unlikely cause: the East plant's lime softening and MIEX process and the West plant's nanofiltration treat the water before delivery. Indoors, rusty water can also come from a water heater, old pipes, or brief sediment after the city flushes hydrants. Testing the tap and the irrigation source shows which.

Match the stain to the source

Where you see itLikely source
Walls, sidewalks, pool deck in the sprinkler patternIron in irrigation well water
Toilet tanks and sinks on a wellWell iron or iron bacteria
Brown hot waterWater heater sediment or corrosion
Brief discoloration after hydrant flushingStirred-up sediment in the mains

Hydrant flushing and brief discoloration

During chlorine maintenance, Boynton Beach increases hydrant flushing in set areas to keep the distribution system clean. Flushing can loosen sediment in the mains. If tap water looks tinted right after flushing on your street, run the cold tap until it clears before doing laundry. If discoloration keeps returning, call the city's water quality line at 561-742-6964 and test at the tap.

How iron makes stains

Dissolved iron in well water is invisible until it meets air, then oxidizes into orange-brown deposits on whatever the sprinklers hit. The Florida Department of Health also describes iron bacteria, which form rusty, slimy deposits and can clog pumps and sprinkler heads. They are not commonly known to cause disease, but they cause stains and odors.

Buying a home with stained walls

Orange streaks on a house you are about to buy usually mean an irrigation well with iron. Ask the seller whether the sprinklers run on a well, whether any iron treatment is installed and working, and when sprinkler heads were last cleaned. Stains can be cleaned, but they return unless the water or the spray pattern changes. Building treatment into the move-in budget is easier than fighting stains after the walls are repainted.

Treatment options

  • Irrigation well: iron treatment on the irrigation line only.
  • Drinking well: a well water system configured from the test, often oxidation plus filtration.
  • Heater or pipes: plumbing repair, not filtration.
  • Reclaimed water: the city's reclaimed water from the South Central Regional facility irrigates golf courses and designated areas, not every neighborhood.

Protecting surfaces meanwhile

Re-aim sprinkler heads away from walls, windows, screens and pool decks, and water only on your allowed days and hours. Fill pools from a city hose bib rather than the well if the well carries iron. Rust stain removers made for masonry clean existing marks; test a hidden spot first, especially on pavers and coral stone.

Get it tested

Jorge tests iron, pH and hardness at your tap and at the well or sprinkler line. If the cause is the heater or plumbing, he says so. Call, text or WhatsApp (305) 793-5974. Related: rotten-egg smell, well water.

Updated 2026-10-17 · Living Waters · Jorge Canela, Water Quality Specialist

Common questions

Does Boynton Beach city water cause orange stains?

Unlikely; it is treated at two plants before delivery. Stains usually come from an irrigation well, a heater or plumbing.

Why is my tap water brown for a few minutes?

Often sediment loosened by hydrant flushing. Run cold water until it clears; call 561-742-6964 if it persists.

Can I treat only my sprinkler well?

Yes. Iron treatment can go on the irrigation line alone.

Are iron bacteria harmful?

The Florida Department of Health says they are not commonly known to cause disease, but they stain and clog.

Can I get reclaimed water instead?

Reclaimed water serves golf courses and designated areas. Ask Boynton Beach Utilities about your street.

Is the test free?

Yes.

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