Discharge from oil/ water separators and similar waste water treatment devices whose sole function is the treatment of stormwater or water without detergents or additives used to rinse or wash down pavements. This permit applies to establishments such as vehicle repair shops, transformer stations and pipeline compressor stations. It does not apply to establishments required to apply for a permit under the stormwater regulations or the discharges of wastewater treatment devices for treating vehicle or equipment wash waters.
