Tag: npdes


Required Inspections Following Significant Storm Events

It’s a very busy week for environmental professionals.  Thus, I thought I would put out a reminder about the 2 year, 24-hour storm event stormwater inspections which will be required at some facilities in Louisville this week.  If your facility has coverage under the Kentucky Pollutant Discharge Elimination System (KPDES) General Permit for Stormwater Discharges […]


Stormwater Permitting

Permitting is designed to prevent stormwater runoff from discharging pollutants into local surface waters. As I have mentioned in my previous blog, the Clean Water Act authorizes EPA to regulate point sources such as Municipal Separate Storm Sewer Systems (MS4s), Construction Activities and Industrial Activities, that discharge pollutants into waters of the US through the […]


EPA Clarifies RPA Regulations

I recently published a blog post about proposed revisions to the regulations governing the National Pollutant Discharge Elimination System (NPDES) program. In addition to clarifying the conditions under which a dilution allowance can be granted, EPA proposes to revise how states conduct reasonable potential determinations (e.g., Reasonable Potential Analysis, or RPA) by requiring that the […]


Is Dilution the Solution?

On May 18, 2016, the EPA published proposed revisions to the regulations governing the National Pollutant Discharge Elimination System (NPDES) program. One of the proposed revisions is to adjust how states grant allowances for dilution. Currently, federal regulations at 40 CFR 122.44(d)(1)(ii) allow states to account for, where appropriate, the dilution of effluent in the […]


The EPA’s New Enforcement Agenda

Last week, the EPA’s enforcement agenda for the next three years was announced. While it received little news coverage, the EPA’s enforcement agenda is where the rubber meets the road for the regulated community. This agenda identifies what sectors of the economy will be under tighter scrutiny when it comes to enforcement of environmental regulations. […]