|
Click on any topic to
find out more about |
|
|
|
|
|
|
|
|
The National Pollutant
Discharge Elimination System (NPDES) program requires permits for the
discharge of pollutants from any point source into waters of the United
States. Preston prepares applications for NPDES permits that are required
for the direct discharge of industrial process wastewater and storm water.
Wastewater pretreatment discharge permit applications can be prepared for
submission to municipalities that require such permits when industrial
wastewater is discharged into city sewers. Additionally, pretreatment systems
can be designed to reduce the amount of contamination in industrial
wastewater that is discharged into municipal sewers. For more information regarding NPDES Permits, please contact Morris Preston.
|
|
|
Annual storm water
sampling is often required by the facility’s NPDES permit. Sampling must be
completed on a significant rainfall that is preceded by 72 hours of dry
weather. Unless the facility has a storm water basin that can hold a 10-year,
24-hour rainfall event for 24 hours, two types of samples from each discharge
must be collected. Preston has extensive experience collecting storm
water samples from various types of facilities. For more information regarding Storm Water Monitoring, please contact Jim King.
|
|
|
The prevention of storm
water contamination requires adequate storm water management controls, proper
management of materials, regular facility inspections, and annual storm water
sampling. However, not all facilities with NPDES storm water permits are
required to perform annual sampling. Storm Water Pollution Prevention
plans are required for all facilities that have individual or general NPDES
permits for storm water discharge. In accordance with the U.S. EPA’s
final NPDES General Permit for storm water discharges associated with
industrial activities, Preston can develop a Storm Water Pollution Prevention
Plan for a facility using feasible Best Management Practices. For more information regarding Storm Water Pollution Prevention Plans, please contact Jim King.
|
|
|
Certain types of
facilities – e.g., cement manufacturers and facilities that store coal – are
limited in the solid content of their permitted storm water
discharge. In order to reduce the amount of solids discharged from a
facility, Preston can design and provide construction supervision for a storm
water basin that will adequately hold a 10-year, 24-hour rainfall
event. In addition, outfall structures for basins can be specified to
effectively reduce solid discharge or prevent the discharge of substances
(e.g., oil) to navigable waters. For more information regarding Storm Water Basin Design, please contact Morris Preston.
|
|
|
Groundwater monitoring involves measuring the physical, chemical, and/or biological properties of groundwater on a periodic basis. Long-term monitoring is frequently conducted to determine the chronological trends in contaminant concentrations that influence corrective action or site management decisions. Monitoring is also performed at/near water supply sources in order to examine water quality indicators and characterize groundwater quality. Preston personnel are experienced in the standard field methods for groundwater sample collection, preservation, and transfer. For more information regarding Groundwater Monitoring, please contact Jim King.
|
|
|
Expansion of residential,
commercial, and industrial developments frequently results in the disturbance
or destruction of wetland areas. The U.S. Army Corps of Engineers (ACE)
has established wetland delineation requirements and guidelines that should
be followed prior to developing an area. Preston has a professional who
can accurately identify wetlands and is certified to prepare wetland
delineation plans according to ACE guidelines. For more information regarding Wetland Delineation, please contact Bryce Pewonka.
|
|
|
The U.S. Army Corps of Engineers
(ACE) requires submission of a wetland mitigation plan in situations where
planned residential, commercial, or industrial development will impact –
i.e., disturb or destruct – a wetland or wetland complex. Wetland
mitigation can come in the form of avoiding the impact altogether, minimizing
or rectifying the impact, reducing or eliminating the impact over time, or
compensating for the impact. Preston has a professional who is certified
to prepare wetland mitigation plans according to ACE guidelines. For more information regarding Wetland Mitigation Plans, please contact Bryce Pewonka.
|
|
|
Facilities – having an oil
storage capacity greater than or equal to 1320 gallons – that could discharge
oil into navigable waters of the United States are required by the federal
Water Pollution Control Act to maintain Spill Prevention Control and
Countermeasure plans. Preston can develop site-specific Spill Prevention
Control and Countermeasure plans for the owners or operators of such
facilities. For more information regarding Spill Prevention Control and Countermeasure Plans, please contact Morris Preston.
|
[../footer.htm]