W9128F23F0201↗
Hydrogeologic, Inc. received this contract from W071 Endist Omaha, Department of the Army: $7.91M obligated so far for other environmental services. It runs to 2028-12-31.
Key facts · data as of Oct 25, 2026
- Recipient
- Hydrogeologic, Inc.
- Awarding agency
- Department of the Army (Department of Defense)
- Contracting office
- W071 Endist Omaha (W9128F)
- Obligated to date
- $7.91M
- Potential value
- $11.96M
- Ends
- 2028-12-31
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 25, 2026.
Cite this page: SpendQuery, Award W9128F23F0201, data as of Oct 25, 2026, https://spendquery.com/award?id=CONT_AWD_W9128F23F0201_9700_W9128F21D0006_9700
Hydrogeologic, Inc.: all federal awards · Department of Defense: spending · W071 Endist Omaha: what it buys
INTERIM REMEDIAL ACTION SITE-WIDE OPERATION & MAINTENANCE OPTIMIZATION, LAWRENCE COUNTY, SOUTH DAKOTA
What it is
- Product or service
- Other Environmental Services (PSC F999)
- Industry
- Remediation Services (NAICS 562910)
- Contracting office
- W071 Endist Omaha (W9128F)
- Competition
- Full and open after exclusion of sources · 2 offers received
- Pricing
- Firm fixed price
- How it was bought
- Multiple-award IDIQ · under W9128F21D0006
- Solicitation
- W9128F20R0038
- Where the work is
- Lawrence, SD · district SD-00
Obligations by fiscal year
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
Subcontractors: where the money went next
No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.
Every action
9 actions since 2023-09-05. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-07-02 | P00008 | Additional work (new agreement) | $376.9K | TO PROVIDE AN ADDITIONAL 500 FEET OF 10 INCH WATERLINE TO STRAWBERRY POND TO ANCHOR HILL PIPELINE AND PLACING AN EXISTING EMERGENCY WATER LINE INTO THE SAME TRENCH AS THE SCADA FIBER OPTIC LINE IN LAWRENCE COUNTY, SOUTH DAKOTA. |
| 2025-10-31 | P00007 | Option exercised | $1.88M | EXERCISE OPTION FOR THE 3RD YEAR OF SITE MANAGEMENT & MAINTENANCE |
| 2025-04-11 | P00006 | Supplemental agreement (work within scope) | $27.9K | MODIFICATION TO REPLACE THE PROGRAMMABLE LOGIC CONTROLLER, INTERIM REMEDIAL ACTION, GILT EDGE SUPERFUND SITE, LAWRENCE COUNTY, SOUTH DAKOTA |
| 2024-12-10 | P00005 | Option exercised | $1.83M | 2ND YEAR SITE MANAGEMENT & MAINTENANCE |
| 2024-09-30 | P00004 | Supplemental agreement (work within scope) | $176.5K | INCREASE IN EFFORTS UNDER CLIN 0002, 0007, & 1010 |
| 2024-08-21 | P00003 | Supplemental agreement (work within scope) | $33.2K | REPLACEMENT OF SCADA SYSTEM |
| 2024-06-13 | P00002 | Option exercised | $191.7K | EXERCISE OPTION CLINS 0004 AND 0005, GILT EDGE FENCING CLINS |
| 2023-12-21 | P00001 | Option exercised | $1.86M | 1STT YEAR SITE MANAGEMENT & MAINTENANCE- EXERCISE OPTION CLINS 0010 & 1010. |
| 2023-09-05 | 0 | $1.53M | INTERIM REMEDIAL ACTION SITE-WIDE OPERATION & MAINTENANCE OPTIMIZATION, LAWRENCE COUNTY, SOUTH DAKOTA |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-25). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗