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Municipal Industrial Pretreatment Program
Veronica Whaley Chavez - Pretreatment Permits & Compliance Manager
1625 Toronita Street
York, PA 17402
Phone: 717-812-1447
Hours: M-F, 7 AM to 3:30 PM
The Municipal Industrial Pretreatment Program (M.I.P.P.) was established in 1981. The MIPP division personnel are responsible for inspecting and monitoring the industrial and commercial wastewater dischargers in the WWTP service area. Their purpose is to monitor, identify, control, and reduce or eliminate the amount of these pollutants entering the sanitary sewer system. This is accomplished through monitoring (sampling) and inspection visits. The pollutants the City regulates can be categorized as compatible (conventional) or non-compatible (non-conventional). The compatible pollutants are those that the treatment plant is designed to treat. Non-compatible pollutants are those materials that are toxic or that can cause upsets of the treatment plant processes. The majority of these unwanted pollutants come from industrial sources. The purpose of the program is to reduce or eliminate pollutants at their source thereby reducing the possibility of upset and interference at the treatment plant. Some of the pollutants that are not removed during the treatment processes pass through the plant and are discharged to the Codorus Creek. If the program reduces the amount of pollutants entering the sanitary sewer, we then reduce the amount of pollutants entering the creek.
Inspections are conducted to insure that the Industrial Users (IU's) are operating their wastewater control systems in the correct manner to prevent the discharge of unwanted substances into the sanitary sewer system. Monitoring is conducted on the wastewater discharge by means of sample collection and analysis. The analytical data obtained from the samples allows the City to evaluate the Industrial User’s compliance with discharge regulations. Personnel also investigate spills and discharges that may pose an environmental threat. The investigations are in response to City, State, or private citizen reports regarding an incident. Sampling data are evaluated to determine regulatory compliance. Data is also used to determine payments of over $600,000 in surcharge revenue invoices per year.
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