Water & Wastewater Design
SPCC Plans are required for facilities with large amounts of oil1 storage:
- Underground storage of 42,000 gallons or more; and/or
- Aboveground storage of more than 1,320 gallons total in containers of 55 gallons or more in capacity.
Surface Water Discharges
National Pollution Discharge Elimination System (NPDES) permits are required for surface water discharges. These permits must be renewed every five years. NPDES renewals can require an extensive amount of data and often raise new issues. Changes in receiving water body quality or concerns about thermal pollution may cause regulatory agencies to impose very stringent effluent limits. These restrictions can significantly affect your facility’s production and operating costs. Through our experience with NPDES issues, we help our clients to develop an effective permitting strategy.
Solvent Control/Slug Prevention Programs
Clients who discharge process wastewater to a publicly owned treatment works (POTW) are often required to submit documentation detailing how a facility will prevent the discharge of slugs or handle the discharge of solvents to avoid damaging the POTW.
High Purity Water Systems
Irwin Engineers has experience in designing potable water, USP 24/25 water, WFI, and micro electronics grade water systems. We can work with the client to design a new system, to increase the capacity of an existing system, or to improve water quality in an existing system. In these instances, high purity water needs to be treated as a key feed stock to manufacturing.