Confidential Client

Project Manager

Dave Lenox

Contact Number

(716) 773-6872 x203


An inactive rural landfill site with no readily available electrical power system and a low rate of gravity leachate flow was required by the regulating authority to install a continuous flow monitoring system.  DE was retained to design a flow metering system capable of measuring and recording instantaneous flowrates and totalized flow values. 

DE services included:

  • Evaluation of low flow metering technologies (area velocity, ultrasonic, electromagnetic, digital paddlewheel), and selection of the most appropriate and economical system;

  • Reconfiguration of the existing leachate drain to re-route flow to a large 60° V trapezoidal flume and ultrasonic open channel flow level sensor;

  • Sizing of a solar power and battery backup system capable of energizing the metering system and withstanding harsh winter conditions;

  • Preparation of permit applications and construction documents;

  • Construction Quality Assurance during the site infrastructure modifications and flow metering/solar power system installation;

  • Operation and Maintenance Manual tailored for use by field personnel for maintenance, repair, calibration, and flow data collection; and,

  • Construction Certification Report and drawings for regulatory review.

Contact Us

For inquiries please fill out the form below. We look forward to working with you.


2620 Grand Island Boulevard

Grand Island, NY 14072

Tel: 716.773.6872 


April 22, 2020

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