Aquifer Drilling & Testing Inc

City-funded organization

Aquifer Drilling & Testing Inc, founded in 1989 by geologist Len Rexrode and headquartered in New Hyde Park, New York, performs environmental and geotechnical drilling, borings, and subsurface investigation work, including projects for NYC agencies, according to trade publication The Driller; it is now a subsidiary of Cascade Environmental. The company holds $3 million in active NYC Department of Design and Construction contracts as of August 2026 (two $1.5 million renewals for taking land and marine borings), part of $39 million awarded since 2008; 22% of that lifetime value ($8.4 million across 5 contracts) was awarded without a fresh competitive bid, with most of its larger historical contracts won via competitive sealed bid.

Industry (per city contracts)
Standardized Services
City contracts (active)
$3,000,000 · 2 contracts
Awarded all-time
$39,149,221 · 17 since 2008, incl. expired
Paid to date
$29,305,489
Won without a fresh bid
22% of contract value · $8,430,115 · 5 contracts
Based in
New Hyde Park, NY (NY State)

Holds contracts at

City contracts

Registered city contracts, largest first by current contract value (not amount spent): running now, then registered to start later, then ended. Totals count every registered contract. Each line shows its Checkbook contract ID. The tag on each row is how it was awarded (“no-bid” = non-competitive).

Sources