Monthly Archives: December 2009

The EPA has spoken

The EPA has published “Effluent Limitations Guidelines and Standards for the Construction and Development Point Source Category; Final Rule” which will dramatically change sediment control throughout the US over the next 4 years.   We are still reviewing, but most  … Continue reading

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Stormwater Housekeeping – Pollution Prevention Fail

A recent routine stormwater inspection on a shopping center site in Northern Virginia revealed how NOT to store de-icing materials.  Spotting housekeeping issues like this should be part of a comprehensive stormwater inspection. Catch the pollutants before they get into … Continue reading

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Impact of Maryland’s 2010 SWM Regs on Smart Growth

Image via Wikipedia The Maryland 2010 stormwater management regulations and design manual (effective in May, 2010) includes strict provisions on sites that are being redeveloped.  Also, the mandate to use Environmental Site Design can be very challenging on infill and … Continue reading

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Cool Pond Remediation with a Waterfall Outfall

Construction of one of our designs has recently been completed.  This was the remediation of a farm pond to meet current dam safety regulations.  In lieu of a typical riser/barrel outfall, we chose to convey flows through a concrete weir … Continue reading

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Waterkeepers move on MDE

ThImage via Wikipedia The Maryland Waterkeepers have petitioned the EPA to pull Maryland’s authority to administer the Clean Water Act.    This move is primarily about the NPDES discharge permits for industrial operations and other point sources. The second major action … Continue reading

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