Does this page list every boil water advisory in Oklahoma?

No. We do not read Oklahoma DEQ's advisories into this page, so nothing on it is a list of what is in force. What this page carries instead is where those advisories are published and which water systems our own database holds.

How many water systems does this page cover?

Our database holds 460 public water systems in Oklahoma. That is a count of what is in our database, not a count of every public water system in the state. Advisories are counted by water system, keyed on the system's federal identifier, and never by the number of separate notices one system has been given.

Boil water advisories in Oklahoma

We do not read this state's advisories

We checked Oklahoma DEQ's site on 22 August 2026 and did not find a list of active advisories published there. That is one page on one day, not a statement about what Oklahoma DEQ publishes. Advisories may still be issued by your utility or your county directly.

Open Oklahoma DEQ's site

This is not a statement that your water is safe. We do not read this state's advisories, so this page cannot tell you whether one is in force. Your utility is the authority for your own water.

Where to check instead

Our database holds 460 public water systems in Oklahoma. That is a count of what is in our database, not a count of every public water system in the state.

The largest systems we hold data on here, by the population each one reports serving:

Or start from a ZIP code:

Check a ZIP code

Enter a ZIP code and we will show you the water systems we hold for it, and what the state agency's list said about each one when we last read it.

Questions about this page

Does this page list every boil water advisory in Oklahoma?: No. We do not read Oklahoma DEQ's advisories into this page, so nothing on it is a list of what is in force. What this page carries instead is where those advisories are published and which water systems our own database holds.
Where are boil water advisories for Oklahoma published?: Oklahoma DEQ is the agency this page links to. We checked its site on 22 August 2026 and did not find a list of active advisories published there. That is one page on one day, not a statement about what Oklahoma DEQ publishes, and a utility or a county may issue a notice directly.
How many water systems does this page cover?: Our database holds 460 public water systems in Oklahoma. That is a count of what is in our database, not a count of every public water system in the state. Advisories are counted by water system, keyed on the system's federal identifier, and never by the number of separate notices one system has been given.
Is anything on this page a verdict about whether the water is safe?: This is not a statement that your water is safe. We do not read this state's advisories, so this page cannot tell you whether one is in force. Your utility is the authority for your own water.

Boil water advisories in Oklahoma

We do not read this state's advisories

Where to check instead

Check a ZIP code

Questions about this page

Stay Informed About Your Water Quality