ALERT Alarms

MHFD’s Email Subscription Service


Boulder County Subscribe Unsubscribe
Douglas County Subscribe Unsubscribe
Jefferson County Subscribe Unsubscribe
District Plains Subscribe Unsubscribe
Hayman Burn Area Subscribe Unsubscribe
All Stations Subscribe Unsubscribe

alarm_zones_800The map shows the extent of each alarm zone that corresponds to the subscription list names in the table above. Alarm notifications are sent whenever a gauge measurement exceeds one or more of the following rainfall rate thresholds:

0.5” in 10-minutes
1” in 1-hour
3” in 2-hours
5” in 6-hours
5″ in 24-hours
10″ in 72-hours
Additional lower thresholds apply to burn areas.


Aurora Subscribe Unsubscribe
Denver Subscribe Unsubscribe
Douglas County Subscribe Unsubscribe
Englewood & Holly Dams Subscribe Unsubscribe
Bear Creek Subscribe Unsubscribe
Boulder Creek Subscribe Unsubscribe
Cherry Creek Subscribe Unsubscribe
Lena Gulch Subscribe Unsubscribe
Ralston Creek Subscribe Unsubscribe
Saint Vrain Creek Subscribe Unsubscribe
Westerly Creek Subscribe Unsubscribe



The above lists provide a convenient way for you to automatically receive alarms from the ALERT System. Click on the subscribe or unsubscribe link and your browser automatically creates a join or leave email request. Then just send the email without adding any additional content. You may subscribe to as many lists as you like.

IMPORTANT…Your email subscription request must be sent from the email address you wish to subscribe or unsubscribe. To subscribe a cellphone to receive text messages, email Kevin Stewart noting:

  1. List(s) you wish to subscribe to
  2. Your cell phone number
  3. Your service provider

Join the Front Range ALERT Users Group (FRAUG) email subscription list to receive information about system updates and new webpage features. After your request is approved you will begin receiving periodic information about the ALERT System. All replies will be moderated, so it may take some time before any reply is actually sent. Please do not use  ‘Reply All’ unless you intend everyone on the list to read your reply.

MHFD's Real-Time Flood Detection & Prediction