The Manhole Monitor is a rugged in-sewer alarm and reporting system built for proactive sewer monitoring programs. Floats tipped by surcharges and high levels signal Mission servers to initiate notifications delivered by any combination of phone call, text message, e-mail, fax and pager. Reliable, encrypted data is transmitted via 4G cellular radios and can be accessed by any Web-enabled device. This device is corrosion-resistant and independently certified for Class 1, Division 1 hazardous environments and IP68 waterproof specifications.