Orange water is usually caused by iron in your water supply, rust inside plumbing, or sediment stirred up in municipal water lines. Here's how to identify the cause and choose the right solution.
Quick Answer
If your water is orange, the most common culprit is iron.
In homes with private wells, naturally occurring dissolved iron is often responsible. In homes on city water, orange water can also occur after water main repairs, hydrant flushing, or rust inside aging pipes.
The right solution depends on identifying where the iron is coming from.
At a Glance
Most common cause
Iron
Common in
Well water
Can city water smell too?
Yes, sometimes
Usually dangerous?
Usually not an emergency, but the cause should be identified
Permanent solution
Depends on the source
Signs You May Have Iron in Your Water
You may notice:
Orange or reddish water
Rust-colored stains in sinks and tubs
Brown or orange laundry stains
Metallic taste
Clogged fixtures over time
What Causes Orange Water?
Dissolved Iron (Most Common)
Groundwater naturally contains iron in many parts of Florida.
When iron is exposed to oxygen, it oxidizes and turns orange or reddish-brown.
This is the most common cause of orange well water.
Iron Bacteria
Iron bacteria feed on iron in the water and create a slimy biofilm. Signs include: -Orange slime -Musty odors -Reduced water pressure -Toilet tank buildup Unlike dissolved iron alone, iron bacteria usually require both cleaning and treatment.
Municipal Water Disturbances
If you're on city water and your water suddenly turns orange after:
-Hydrant flushing -Water main repairs -Construction nearby
the discoloration is often temporary sediment or rust that has been stirred up inside water mains.
Running cold water for several minutes often clears the issue.
If it doesn't, contact your water utility.
Rusty Plumbing
Older galvanized plumbing or corroded pipes can also discolor water.
If only one faucet produces orange water, the problem may be inside your home's plumbing rather than the incoming water.
Is Orange Water Safe?
Orange water is often more of an aesthetic issue than an immediate health emergency.
However, you should determine the cause before continuing to use it.
Iron itself is generally not considered a significant health concern at the levels commonly found in household water, but excessive iron can stain fixtures, damage appliances, and affect the taste and appearance of your water.
If the discoloration appears suddenly or is accompanied by other unusual changes, consider having your water tested.
How to Figure Out What's Causing Orange Water
Does every faucet have orange water?
If yes, the issue is likely affecting the incoming water supply.
Only one faucet?
The problem may be local plumbing.
Do you have well water?
Iron is one of the most common naturally occurring minerals found in Florida well water.
How Do You Get Rid of Orange Water?
Dissolved iron
Iron filtration system
Iron bacteria
Shock chlorination and treatment
Rusty pipes
Plumbing repair
City water disturbance
Flush lines and monitor
If testing confirms dissolved iron is the cause, a properly sized iron filter system is often the most effective long-term solution. The right system depends on the iron concentration and whether sulfur or manganese are also present.
Southwest Florida Homeowner Notes
Iron is one of the most common water quality concerns we see in private wells throughout Sarasota County, Charlotte County, North Port, Venice, and surrounding communities.
Florida's groundwater naturally contains dissolved iron, which is why orange staining is such a common complaint among well owners.
Frequently Asked Questions
Is orange water dangerous?
Usually not, but the cause should be identified before assuming it's harmless.
Can iron damage appliances?
Yes. Iron can stain fixtures, clog plumbing, reduce appliance efficiency, and shorten the lifespan of water-using equipment.
Why did my city water suddenly turn orange?
Water main repairs or hydrant flushing often stir up rust and sediment inside municipal pipes.
Can a water softener remove iron?
Some softeners can remove small amounts of dissolved iron, but higher iron levels often require a dedicated iron filtration system.
Do I need an iron filter?
If testing confirms iron is causing the discoloration, an iron filter is typically the most effective long-term solution.
About This Resource
This guide was created by Otter Water Solutions to help homeowners throughout Sarasota, Charlotte, and surrounding Southwest Florida communities better understand common water quality issues and treatment options. Our recommendations are based on years of experience testing and treating local water conditions.
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