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Industrial Pretreatment Program
Illicit discharge impacts influent
to Livermore Water
The City maintains an inspection and pretreatment permitting program to protect the wastewater collection and treatment system from substances that could potentially interfere with operation of the system, pass through the treatment process, compromise work safety, or harm the public health or environment. Businesses are inspected to verify compliance with sewer regulations, and may be required to obtain a wastewater discharge permit. Click here for more information about the Industrial and Commercial Dischargers Program.
Inspections typically involve verification of the following:
- Pollution control equipment and features installed where required
- Pretreatment equipment and features in good working order
- Operating and maintenance records kept and in order
- Illegal and inappropriate piping connections eliminated
- All wastes contained and disposed of properly
- Outdoor activities controlled to prevent site runoff
- Spill containment and control plan fully implemented
- Best Management Practices (BMPs) employed are sufficient t minimize pollutant discharge
Another essential component of this task promotes incorporation of pollution prevention controls into site designs in order to reduce the amount of pollutants in runoff, as well as minimize the volume of runoff leaving the site. Impervious surfaces such as paved areas and roofs provide efficient collection points for airborne, vehicular, and other pollutants. A rainstorm can quickly sweep these materials into creeks and waterways, and at a velocity that can scour and erode creek bed and bank, further impacting stream habitat. Techniques such as maximizing open space; designing grass swales for rainwater collection, treatment and infiltration; routing of roof leaders to landscaped areas; and use of permeable paving blocks to promote infiltration are a few examples of features that help prevent pollutants from reaching creeks and waterways.
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