Logo, SEWERLOCK - Manhole Security

Made In USA


(408) 761-5882

Efficient Manhole Security Barrier Solutions Worldwide

Locking Manhole - Manhole Security Utilizing and Storm SEWERLOCK - Manhole Security Telephone Keypad - Manhole Security

Manhole Sanitary & Storm Sewers

Our patented locking manhole security barrier devices are designed to keep people out, prevent dumping and theft, and ultimately provide environmental safety. The device is made of stainless steel and does not corrode.

Storm SEWERLOCK prevents reverse flow from storm inlets. Combined sanitary and storm sewerage overflows are prevented from exiting the inlet during flooding.

Utility Wiring locks

SEWERLOCK offers a wide range of utility power and communications security barriers for round and rectangular wiring boxes, utility manholes, vaults, underground junction boxes, and above ground pedestals.

 * Order Information Product Options *

Installation Instructions

Operation and Maintenance Sheet

Measurement Sheet Round

Measurement Sheet Rectangular

What's New !!




Our Commitment

Secure communications, power, wiring, water, and sanitary sewer manholes; to protect public water supply, prevent inflow, SSO/CSOs, illegal dumping and vandalism with efficient manhole security solutions from SEWERLOCK. Made in USA, we ship our patented products worldwide.

Learn More about SEWERLOCK
Contact us at (408) 761-5882 in the USA, for effective and affordable manhole security solutions.
In the Media: Municipal Sewer & Water