The Potomac River Test Range website offers daily updates on operations and schedules for the Potomac River Test Range and the Explosive Experimental Area (Pumpkin Neck). These military facilities conduct munitions testing, and the public is advised to avoid the areas during active testing. Additional details are available by exploring the website’s sections.
For daily updates on test schedules, call the Range/Weapons Testing Hotline at 877-845-5656 (toll-free). To address concerns about noise or vibrations from Dahlgren operations, contact NSF Dahlgren at 540-653-8153. Range schedule information is also posted on the NSWCDD’s official Facebook page. For further inquiries about NSWC Dahlgren’s range schedule, reach the Public Affairs Office at 540-653-8152.
Range Schedule for July 21-25, 2025

Monday, July 21
* Operating Times: 8 a.m. – 5 p.m.
* Noise on Station: Potential to create “Very Loud” noise in the southern and eastern (Main Range and Terminal Range) areas of NSF Dahlgren.
* Noise Down Range: Potential to create “Very Loud” noise down range and in communities surrounding NSF Dahlgren.
* River Restrictions: Restricted approximately 20,000 yards down range from NSF Dahlgren below the yellow “K” buoy (Maryland) and to the yellow “J” buoy (Virginia).
Tuesday, July 22
* Operating Times: 8 a.m. – 5 p.m.
* Noise on Station: Potential to create “Very Loud” noise in the eastern (Main Range and Terminal Range) area of NSF Dahlgren.
* Noise Down Range: Potential to create “Very Loud” noise down range and in communities surrounding NSF Dahlgren.
* River Restrictions: Restricted approximately 20,000 yards down range from NSF Dahlgren below the yellow “K” buoy (Maryland) and to the yellow “J” buoy (Virginia).
Wednesday, July 23
* Operating Times: 8 a.m. – 5 p.m.
* Noise on Station: Potential to create “Very Loud” noise in the eastern (Main Range and Terminal Range) area of NSF Dahlgren.
* Noise Down Range: Potential to create “Very Loud” noise down range and in communities surrounding NSF Dahlgren.
* River Restrictions: Restricted approximately 20,000 yards down range from NSF Dahlgren below the yellow “K” buoy (Maryland) and to the yellow “J” buoy (Virginia).
Thursday, July 24
* Operating Times: 8 a.m. – 5 p.m.
* Noise on Station: N/A
* Noise Down Range: N/A
* River Restrictions: N/A
Friday, July 25
* Operating Times: 8 a.m. – 5 p.m.
* Noise on Station: N/A
* Noise Down Range: N/A
* River Restrictions: Restricted approximately 5,000 yards down range from NSF Dahlgren below the yellow “Q” buoy (Maryland) and to the yellow “P” buoy (Virginia).
