Contract award
TETRA TECH, INC.
NUTRIENT SCIENTIFIC TECHNICAL EXCHANGE PARTNERSHIP AND SUPPORT (N-STEPS)
- PIID
- 68HERC23F0451
- Award key
- CONT_AWD_68HERC23F0451_6800_68HERC22A0021_6800
- Recipient UEI
- LMRMKLLL3LG5
- Parent award
- CONT_IDV_68HERC22A0021_6800
- Source as of
- —
Current award value
$4,859,2773
Obligated to date
$1,995,5022
Potential with options
$6,228,0293
- Awarding agency
- Environmental Protection AgencyEnvironmental Protection Agency
- Contractor
- TETRA TECH, INC.
- Place of performance
- Pasadena, California
- Set-aside
- None
- Pricing
- Time and Materials
- Competition
- Full and Open Competition
- Period of performance
- Sep 27, 2023 — Sep 13, 2026Through Sep 13, 2028 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 27, 2023 | Initial award | $600,000.00 | $4,859,277.00 |
| P00001 | Oct 31, 2023 | C | $24,000.00 | $4,859,277.00 |
| P00002 | Jan 23, 2024 | C | $120,000.00 | $4,859,277.00 |
| P00003 | Jul 19, 2024 | C | -$315,500.00 | $4,859,277.00 |
| P00004 | Sep 6, 2024 | G | $577,000.00 | $4,859,277.00 |
| P00005 | Jun 27, 2025 | C | -$170,000.00 | $4,859,277.00 |
| P00006 | Sep 9, 2025 | G | $200,000.00 | $4,859,277.00 |
| P00007 | Dec 2, 2025 | M | $21,930.00 | $4,859,277.00 |
| P00008 | Feb 17, 2026 | C | $30,000.00 | $4,859,277.00 |
| P00009 | Mar 30, 2026 | C | $200,000.00 | $4,859,277.00 |
| P00010 | Jun 25, 2026 | C | $134,928.76 | $4,859,277.00 |
| P00011 | Aug 31, 2026 | C | $573,143.34 | $4,859,277.00 |
Provenance
Which source record produced each displayed rollup figure.
| Field | Source | File | Retrieved | Parser | Artifact hash |
|---|---|---|---|---|---|
| awarding_agency_id | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
| contractor_id | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
| current_award_value | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
| naics_code | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
| potential_award_value | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
| psc_code | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
| total_obligated | USAspending.gov | — | Sep 2, 2026 | usaspending_contract_csv@2026.08.2 | 3353777d07e6 |
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 12 transaction records parsed from USAspending.gov, retrieved Sep 2, 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.