Calverton Industrial Subdivision (OSTAD) SEQR findings
Town of Riverhead
Summary
Suffolk Cement Products wants to split 26 acres at the old sand mine into industrial lots, but steep slopes cut right through the building envelopes. Staff wants alternative sketch plans and won't finalize until the state signs off on mine reclamation.
At a glance
- Total mentions
- 4
- Last 30 days
- 0
Last discussed Jul 2, 2026.
Impact analysis
Traffic mitigation — turn lanes and a new signal — would be required, with the board insisting the applicant, not future lot buyers, pays.
The landowner gains salable industrial lots in a light industrial zone.
Nearby residents worry about development creeping close to Manor Road and eroding its rural character.
Mentions & discussions (4)
Planning Board - Jul 2, 2026
A proposed 131-acre industrial subdivision in Calverton cleared its environmental review step, with three building lots, a new industrial road, an on-site sewage treatment plant parcel and about 20 acres of preserved open space.
Planning Board - Jun 18, 2026
A 131-acre industrial subdivision near Splish Splash would create three big building lots, a sewage treatment plant and 20 acres of preserved woods — potentially 1.1 million square feet of industrial space. The board wants the applicant on the hook for road and traffic fixes before lots get sold off.
Planning Board - May 7, 2026
The 131-acre industrial subdivision next to Splish Splash moved a step closer to approval as the board accepted its Final Environmental Impact Statement. Findings and potential approvals come next.
Planning Board - Mar 19, 2026
Suffolk Cement Products wants to split 26 acres at the old sand mine into industrial lots, but steep slopes cut right through the building envelopes. Staff wants alternative sketch plans and won't finalize until the state signs off on mine reclamation.
Related development
JPD Calverton — Site Plan
More warehouse space and truck traffic potential along Middle Country Road in Calverton; the chair also wants the old water tank and silos removed for safety.
Calverton Industrial Subdivision (OSTAD)
Could bring up to 1.1 million square feet of industrial development west of Splish Splash, with major road improvements required as conditions.
William K. Lohr Major Industrial Subdivision (Suffolk Cement Products)
Future industrial development in Calverton, with the layout still up in the air pending revised sketches.
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