Lake Hopatcong Quarry provides high-quality crushed and broken traprock, ideal for a variety of construction and infrastructure projects. Strategically located in Sussex County, NJ, with convenient access to I-80 and major transportation routes, this surface quarry operation, managed by Weldon Quarry Company LLC, serves the broader New Jersey market. With a dedicated team of 30 employees, Lake Hopatcong Quarry is positioned to efficiently meet your aggregate needs.
Operator
Weldon Quarry Company LLC
Parent Company
William Weldon; Robert F Weldon III; Norbert A Weldon
Company Type
Other
82
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40.995556, -74.616389
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
I-78 E/US-22 E to US-202 S/US-206 S in Bridgewater Township. Take exit 29 from I-78 E. Follow US-206 S to Co Rd 601 in Montgomery, NJ
Construction Sand and GravelTake 222 S to 422 E to 76 E to 10 S to 322 E to NJ Parkway South. Take exit 25 and turn onto 9 S to 50 N. Turn left onto 610 W and follow to mine on right., NJ
Construction Sand and Gravel222 North to 78 East to 287 South, exit 29 towards 202/206. Go onto NJ-440 North & take State Street towards Perth Amboy. Merge onto State Street & take to mine site on right. GPS: N40 32.253 W074 15.681, NJ
Sand, Industrial NECRoute 222 North to I-78 East, Follow into New Jersey. Take exit 12 for Route 173. Left at end of ramp, through traffic light, turns into Frontage Road. Travel to mine entrance on right, after Quarry Stone Manufacturing. GPS: N40* 38.042; W074* 57.101, NJ
Crushed, Broken Slate