Contract award
HYDROGEOLOGIC, INC.
THE PURPOSE OF THIS DES TASK ORDER IS TO PROVIDE TECHNICAL SUPPORT TO ADDRESS HUMAN HEALTH RISKS FROM WIDESPREAD MERCURY CONTAMINATION IN SEDIMENTS AT THE CARSON RIVER MERCURY SUPERFUND SITE (SSID 09R6), PURSUANT TO CERCLA SECTION 104. THE END-PRODUC
- PIID
- 68HE0925F0098
- Award key
- CONT_AWD_68HE0925F0098_6800_68HE0318D0006_6800
- Recipient UEI
- S7Q4GKNGGA81
- Parent award
- CONT_IDV_68HE0318D0006_6800
- Source as of
- —
Current award value
$3,994,0263
Obligated to date
$2,925,8952
Potential with options
$7,446,9553
- Awarding agency
- Environmental Protection AgencyEnvironmental Protection Agency
- Contractor
- HYDROGEOLOGIC, INC.
- Place of performance
- San Francisco, California
- Set-aside
- Small Business Set-Aside - Total
- Pricing
- Cost Plus Fixed Fee
- Competition
- Full and Open Competition3 offers received
- Period of performance
- Sep 30, 2025 — Sep 24, 2028Through Sep 24, 2030 if all options are exercised
- Benchmark category
- Unclassified
Transaction history
Every action recorded against this award, in the order the government reported them.
| Mod | Action date | Reason | Obligation | Value at action |
|---|---|---|---|---|
| 0 | Sep 30, 2025 | Initial award | $425,894.55 | $3,994,025.62 |
| P00001 | Jan 14, 2026 | B | $260,000.00 | $3,994,025.62 |
| P00002 | May 12, 2026 | B | $2,240,000.00 | $3,994,025.62 |
| P00003 | Aug 6, 2026 | M | $0.00 | $3,994,025.62 |
| P00004 | Sep 9, 2026 | M | $0.00 | $3,994,025.62 |
Provenance
Which source record produced each displayed rollup figure.
| Field | Source | File | Retrieved | Parser | Artifact hash |
|---|---|---|---|---|---|
| awarding_agency_id | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
| contractor_id | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
| current_award_value | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
| naics_code | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
| potential_award_value | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
| psc_code | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
| total_obligated | USAspending.gov | — | Sep 11, 2026 | usaspending_contract_csv@2026.08.2 | 2ba53997a7e7 |
Sources and method
Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.
This page is a record of one federal award, assembled from the transactions the government published against it. Note 1 describes where the rollup came from. Values are award values, not unit prices.
- 1Rollup values derive from 5 transaction records parsed from USAspending.gov, retrieved Sep 11, 2026 by transform awards@2026.08.1.
- 2Obligations are the sum of signed federal action obligations across all transactions; deobligations are negative and remain negative.
- 3Current and potential award values are taken from the latest reported action, not summed across modifications.