Tag: NPDES Phase I

The National Pollutant Discharge Elimination System (NPDES) and State Waste Discharge General Permits cover discharges from municipal separate storm sewer systems (MS4s). The Phase I Municipal Stormwater Permit regulates the discharges from MS4s owned or operated by Clark, King, Pierce and Snohomish Counties; and the cities of Seattle and Tacoma (incorporated cities with a population over 100,000 and unincorporated counties with populations of more than 250,000 according to the 1990 census). The permit also applies to MS4s owned by public entities located in a Phase I city or county; including the Ports of Seattle and Tacoma.

Flood Warning Systems

Flood Warning Systems

Editor’s note: This article originally appeared in Stormwater Magazine in June 2009.

When it comes to addressing stormwater management problems and dealing with the permitting process of the National Pollutant Discharge Elimination System (NPDES), stormwater managers and hydrologists have more tools in the toolbox these days than ever before. Software programs can

Reader Profile: Jeffrey Econom

Reader Profile: Jeffrey Econom

Something that’s always bothered Jeffrey Econom, P.E., is that NPDES Phase I and Phase II regulations are based not upon physical characteristics, but on numbers: a 5-acre disturbance and a 1-acre disturbance. “I could go to an area that’s all sand, disturb 60 acres, and might have to go through

IECA News

IECA News

This year’s Environmental Connection will be held in Portland on February 15–18, 2015. The event will host the usual roundup of educational sessions, exhibit hall, networking opportunities, and a cast of characters from the erosion, sediment, and stormwater community.

IECA 2015 Conference Highlights

IECA 2015 Conference Highlights

Top-Notch Education (Times Two) This year’s Environmental Connection will be held in Portland on February 15-18, 2015. The event will host the usual roundup of educational sessions, exhibit hall, networking opportunities, and a cast of characters from the erosion, sediment, and stormwater community. In addition, we are co-hosting with IFAI’s

As Stormwater Discharge Permits Proliferate, So Do Citizen Suits

As Stormwater Discharge Permits Proliferate, So Do Citizen Suits

Citizen suits under state and federal environmental laws are nothing new. But recent cases brought in California and Massachusetts may indicate a new trend of suits alleging violations of the National Pollutant Discharge Elimination System (NPDES) associated with stormwater discharges. These suits have several characteristics that make them attractive to

Phase II Permitting

Phase II Permitting

EPA’s publication of the National Pollutant Discharge Elimination System (NPDES) Phase II final rule in the Federal Register back in December 1999 was a wake-up call for many smaller cities around the US. Permit coverage wouldn’t become mandatory for more than three years, on March 10, 2003, but the permit

Recycling Center Exceeds Regulations With Advanced LID

Since 1995, Ben’s Recycling center in Oceanside, CA, has been taking waste and unwanted electronics safely off customers’ hands. The facility needed to expand; the proposed new facility would be a state-of-the-art indoor recycling center located around the corner from the recycling center’s current location. The drainage area of concern

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