A faucet spitting brown water intermittently is usually caused by loose iron rust flakes, mineral scale, or trapped air pockets dislodging inside your supply pipes. When water is turned back on after plumbing repairs or municipal line maintenance, trapped air rushes through the pipes alongside dislodged pipe scale, causing the faucet to sputter and spit discolored water. Additionally, a heavily clogged faucet aerator packed with trapped sediment can cause the water stream to break apart and sputter brown droplets. Verification: Unscrew the faucet tip aerator and clean out any trapped debris to restore a smooth, clear water stream.
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