MASON County Office of Emergency Management

08/19/2026

Prescribed Burn today.

08/17/2026

MASON COUNTY BURN BAN!!!

Mason County is now under a 90 day BURN BAN

07/30/2026

Outdoor Warning Sirens Test has been completed.
ALL Sirens passed .

Public Reminder:

These OUTDOOR WARNING SIRENS are made to Alert anyone who is OUTDOORS.
If you are outdoors and hear the sirens please seek shelter immediately. Once inside tune in to local media for Weather Alerts.

These OUTDOOR WARNING SIRENS are not made to be heard INDOORS.

To get Weather Alerts Indoors please get a NOAA Weather radio or Download the Sheriffs app and receive Weather Alerts straight to your phone.
Sheriffs app instructions listed at the following place.
https://www.co.mason.tx.us/page/EMC

NOAA Page with frequently asked questions about Outdoor Warning Sirens.
https://www.weather.gov/dvn/sirenFAQ

07/29/2026

We will be testing Sirens on July 30,2026 starting at 1200 (Noon).
Sirens will be tested Multiple times and for an extended duration (3 minutes).
Sentry Siren technicians will be completing maintenance and testing during this time.

07/24/2026

Siren test has been completed. Thank you for your patience.

07/23/2026

We will be conducting Multiple sound test on all of the Outdoor Warning Siren (Tornado).
Test will be Friday JULY 24,2026. Testing begins at NOON.

07/23/2026

July 23.

Update on New World Screwworm.

Texas currently has 41 confirmed cases ,located inside 17 different quarantine zones.

Only 10 of these cases are Active.

Active cases are those that involve mitigation efforts ( treatment) on infested animals until it is free of New World Screwworm.

The closest one to Mason is in Gillespie County.

More information can be found at: https://www.tahc.texas.gov/
Including a map of quarantine zones with instructions on how to move animals located inside these zones.
We will continue to post updates as we receive them.

The homepage of the Texas Animal Health Commission.

07/17/2026

Llano River Update: MAJOR FLOOD STAGE
Forecast flooding changed from Moderate to Major severity and increased in duration for the following rivers in Texas... Llano River Near Mason affecting Mason County. For the Llano River...including Junction, Mason...Major flooding is forecast. * WHAT...Minor flooding is occurring and major flooding is forecast. * WHERE...Llano River near Mason. * WHEN...Until late Saturday night. * ADDITIONAL DETAILS... - At 1:00 PM CDT Friday the stage was 19.6 feet. - Bankfull stage is 11.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:00 PM CDT Friday was 22.2 feet. - Forecast...The river will oscillate above flood stage with a maximum value of 31.4 feet this evening. It will fall below flood stage tomorrow afternoon. - Flood stage is 18.0 feet. - Flood History...This crest compares to a previous crest of 31.3 feet on 06/13/2008. -

Flooding is a coast-to-coast threat to some part of the United States and its territories nearly every day of the year. This site is designed to teach you how to stay safe in a flood event. If you know what to do before, during, and after a flood you can increase your chances of survival and bet...