Confidential Municipal Client



Services Provided

  • Development of Communications Networks – Fiber Optic, Cellular, Wireless, etc.
  • Specification and Integration of Instruments
  • Design/Fabricate Controls/Automation Systems
  • PLC/SCADA/HMI Programming
  • Systems Integration
  • System Commissioning/Start-up
  • Remote Monitoring – across the country
  • Remote Data Acquisition
  • Automated Reporting/Quality Assurance

Project Overview

An aquifer in western Ohio stores 1.5 trillion gallons of groundwater and serves as the sole source of drinking water for 400,000 people. Groundwater in the region is extremely susceptible to contamination at the surface. For this reason, the municipality served by the aquifer established a Multi-Jurisdictional Source Water Protection Program (SWPP). The goal of the SWPP is to protect and preserve the groundwater resources that supply the area’s drinking water. In response to recent changes made in Ohio, including a much larger protection area, the municipality needed to expand the existing early warning monitoring well network.

T&M was hired to design and install an early detection system to monitor water levels in the expanded area and to protect drinking water wells from PFAS contaminants in the region. T&M worked in three areas including a Municipal Well Field, a Fire Training Center and an Industrial Park adjacent to a river. The system ensures the hydraulic control from the interceptor wells is maintained to protect the aquifer. The system consists of 30 monitoring wells, each of which has a pressure transducer to measure real-time water levels in the aquifer. The transducer was installed within the water column and transmits the water level to a data logger mounted adjacent to the well casing. The data logger and transducer are powered by a six-watt solar panel and transmit the water level data wirelessly to a cloud-based SCADA system.

T&M also developed an innovative approach to transmit signals from subsurface well vaults. A wide band spread spectrum antenna that mounts within the well vault lid creates a low-profile antenna which transmits the signal from within the vault to a nearby radio repeater. A web-based graphic user interface was also created to display the entire well system on a geographic information system (GIS) aerial map to show real-time and historic water levels for each of the 30 network wells. If the transducer detects a water level outside of the specified range, the system will send an email and/or text message alarm to the municipality.

Source Water Protection is an environmental challenge that was successfully addressed with help from T&M’s Automation Team.

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