• 3 Allen set screws to secure ring to the casing
• Observation Monitor "Do Not Fill" triangle on the cover
• Permanent Well Log Pad (inside the cover) which records Well Depth + Amount of casing gallons per minute + Date

• 2-piece aluminum locking monitoring well caps are for use in securing above ground protective risers on monitoring well locations
• The bottom half of the cap secures to the riser casing with Allen head screws
• The top half slides over the bottom flange covering the Allen screws and making them un-accessible
• With the top half over the bottom, they can have a padlock installed to secure the well.
• These locking well caps are not water tight.