Tag: NPDES

The NPDES permits program is authorized by CWA section 402. The initial permits issued in the 1970s and early 1980s focused on POTWs and industrial wastewater—typically “process” wastewater and cooling water where applicable, and in some cases, industrial stormwater. The 1987 WQA expanded the program to cover stormwater discharges explicitly, both from municipal separate storm sewer systems (MS4) and industrial sources. The MS4 NPDES permits require regulated municipalities to use Best Management Practices to reduce pollutants to the “Maximum Extent Practicable.”

Protecting Coastal Waters

Protecting Coastal Waters

San Diego, CA, is a city with scenic coastlines along the Pacific Ocean, a world-class zoo, a long association with the US Navy, a growing population and economy, and a lively tourism industry. Managing stormwater in this beautiful city involves dealing with a myriad of challenges.

EPA to Hold Public Meetings in Idaho on Water-Quality Permitting Program

EPA to Hold Public Meetings in Idaho on Water-Quality Permitting Program

Seattle (September 7, 2017) — The U.S. Environmental Protection Agency is accepting public comments on the State of Idaho’s application to assume the role of writing, administering and enforcing water quality discharge permits in the state. Until now, the job of writing wastewater and stormwater discharge permits, performing facility inspections

EPA to Hold Public Meetings in Idaho on Water-Quality Permitting Program

EPA to Hold Public Meetings in Idaho on Water-Quality Permitting Program

Seattle (September 7, 2017) — The U.S. Environmental Protection Agency is accepting public comments on the State of Idaho’s application to assume the role of writing, administering and enforcing water quality discharge permits in the state. Until now, the job of writing wastewater and stormwater discharge permits, performing facility inspections

The First Line of Defense: Protecting Inlets and Storm Drains

The First Line of Defense: Protecting Inlets and Storm Drains

In stormwater management for both temporary and post-construction measures, inlet and storm drain protection is one of the first lines of defense. It’s also a measure that often works in combination with other best management practices (BMPs) as part of an overall erosion control or stormwater management program.

US EPA and California Approve Permit for Point Loma Wastewater Facility

US EPA and California Approve Permit for Point Loma Wastewater Facility

Advanced treatment will reduce discharges to ocean, provide sustainable water source

The US Environmental Protection Agency and the San Diego Regional Water Quality Control Board finalized a City of San Diego wastewater discharge permit to protect ocean water quality and increase water reuse. The Clean Water Act National Pollutant Discharge Elimination

A Five-Year Study of IDDE Data

A Five-Year Study of IDDE Data

Pierce County’s Surface Water Management (SWM) division is charged with maintaining both the natural surface water systems and the stormwater collection and conveyance infrastructure within its unincorporated 1,800-square-mile service area (population 380,000). These areas include an impressive variability in landscapes: from glacial streams of Mt. Rainier to fertile farmlands of

Reader Profile: Nav Otal

Reader Profile: Nav Otal

The Bellevue, WA, stormwater utility—one of the first in the US—has come a long way from its genesis in the 1970s, says Nav Otal, director of Bellevue Utilities. “We continue to be concerned with how our system—the manmade and natural—interacts together. The city’s philosophy emphasizes maintaining and protecting streams, lakes,

A Five-Year Study of IDDE Data

A Five-Year Study of IDDE Data

Pierce County’s Surface Water Management (SWM) division is charged with maintaining both the natural surface water systems and the stormwater collection and conveyance infrastructure within its unincorporated 1,800-square-mile service area (population 380,000). These areas include an impressive variability in landscapes: from glacial streams of Mt. Rainier to fertile farmlands of

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