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The District's Water Quality and Industrial Surveillance (WQIS) Department monitors over 1,000 industrial dischargers within the District's service area.
Enforcement
WQIS investigators inspect and sample approximately 200 significant industrial users in order to monitor compliance with federal Categorical Pretreatment Standards and the District's Code of Regulations. WQIS initiates enforcement action on behalf of the District against facilities that are found to be out of compliance with these regulations. This is accomplished by the WQIS Department working with the Legal Department.
Surcharge
Industrial sewage service rates are based not only on the volume of wastewater used, but also on the strength of the wastewater as measured by the total suspended solids concentration and the oxygen demand. WQIS investigators inspect and sample industrial facilities in order to calculate industrial sewage service rates.
Pollution Prevention
Pollution prevention is defined as source reduction and other practices that reduce or eliminate the creation of pollutants. WQIS conducts investigations to identify pollutants within the sewage collection system that have the potential to be reduced through pollution prevention, and work with the District's industrial customers to achieve pollution prevention goals.
Emergency Response
In addition, WQIS investigators are on call 24 hours a day to respond to spills and other releases of pollutants that threaten the wastewater collection and treatment system, area waterways, and public health.
For questions about the District's industrial surveillance programs, please contact our Environmental & Maintenance Services Center at (216) 641-6000
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