During extreme flooding of the Yellowstone River in 2011, debris caused the Silvertip Pipeline to rupture and release 1,509 barrels of crude oil. Six months before the incident, the pipeline was in compliance and completely covered, but due to the extreme weather conditions and riverbed erosion, it quickly became exposed. The Pipeline and Hazardous Materials Safety Administration […]

El Niño’s warm temperatures may cause flooding in typically dry U.S. regions and additional rain in wet areas. The colder regions of the country may warm up, which can lead to additional flooding and increased water flow in rivers and streams throughout the U.S., coupled with increased precipitation in the southern states. The National Oceanic and Atmospheric […]

Since a routine application involving a public notice normally requires three to four months, you should apply as early as possible to be sure you have all required approvals in advance of your planned commencement date. Submar can evaluate the proposed pipeline remediation work to determine whether a standard permit is required or if your […]

Some nationwide permits (NWPs) may require you to notify U.S. Army Corps of Engineers (USACE) district engineers prior to commencing NWP activities. These notifications are called pre-construction notifications (PCNs), and they provide district engineers with opportunities to confirm whether or not the proposed activities qualify for NWP authorization. For most NWPs, the district engineer has […]