Source Water Monitoring

Groundwater and surface water are both used as source water for drinking water used by the public. Protecting drinking water resources from contaminants is a primary concern for many water professionals. Effective source water monitoring relies upon real-time water quality measurements, especially at raw water intake points.

Source water monitoring stations are installed near or at source water locations. Stations typically consist of water quality instruments coupled with a data logger to collect and store water quality data. Various telemetry options allow for data management and advanced controls from any device with an internet connection.

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Case Studies

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Organics Detection System

Seventy tons of toxic carbon tetrachloride made its way down the Kanawha and Ohio Rivers in February of 1977. The spill raised tremendous concern over how well the bevy of recently instated environmental laws were actually being enforced. Citizens had no way of knowing for sure whether such harmful compounds would be entering their drinking water. Residents of the affected area for the most part only learned of the hazardous spill after the worst of it had already passed downstream. It appeared as if one of the four operations authorized to make carbon tet discharges on the two rivers had illegally exceeded its NPDES permit.

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Drinking Water Early Warning System

Drinking water supplies in the United States are an extremely valuable national asset and are vital to our country’s survival. During the past few years, these resources have been thrust into the national spotlight as government agencies have placed an increased emphasis on their surveillance and protection. Prompted by this initiative to monitor drinking water quality, the Ohio River Valley Water Sanitation Commission recently completed the design and implementation of an early warning detection and water quality monitoring system for the Allegheny and Monongahela rivers in Pennsylvania.

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St. Clair & Detroit River Monitoring

According to the Michigan Department of Environmental Quality (DEQ), more than 4 million people rely on the Huron-to-Erie corridor for their drinking water. This corridor encompasses the St. Clair River and the Detroit River. Both of these rivers have been subjected to various contaminant spills over the years. These include substances like municipal and industrial discharges, contaminated sediments and combined sewer overflow materials. As a result, the St. Clair River is listed as an Area of Concern.

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