Award history/ Contract history/ 68HE0725F0166

68HE0725F0166

TETRA TECH, INC.

Net obligations $850.5K No prior-range comparison

Contract actions 3 No prior-range comparison

Primary NAICS 541620 ENVIRONMENTAL CONSULTING SERVICES

Primary PSC R429 SUPPORT- PROFESSIONAL: EMERGENCY RESPONSE/DISASTER PLANNING/PREPAREDNESS SUPPORT

Potential value $334.6K Base and all options value

Contract status Active Through Jun 30, 2028

Contract profile

Parties, scope and performance

Requirement description

R7 START VI: REMEDIATION ACTION BIG RIVER MINE TAILINGS P00002: THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE ADDITIONAL INCREMENTAL FUNDING AND EXTEND THE PERIOD OF PERFORMANCE END DATE.

Department

ENVIRONMENTAL PROTECTION AGENCY6800

Contracting agency

ENVIRONMENTAL PROTECTION AGENCY6800

Contracting office

REGION 7 CONTRACTING OFFICE68HE07

Vendor

TETRA TECH, INC.UEI HHDHBZL5PLM5 · CAGE 1Y4W3

Effective date

2025-08-25 00:00:00

Ultimate completion

2028-06-30 00:00:00

Referenced IDV

6800 · 68HE0725D0006

All available history

Net obligations by year

2025 2026

Classification mix

NAICS industries

1 total

NAICS	Description	Obligations	Actions	Share
541620	ENVIRONMENTAL CONSULTING SERVICES	$850.5K	3	100.0%

Showing 1–1 of 1

Classification mix

Product and service codes

1 total

PSC	Description	Obligations	Actions	Share
R429	SUPPORT- PROFESSIONAL: EMERGENCY RESPONSE/DISASTER PLANNING/PREPAREDNESS SUPPORT	$850.5K	3	100.0%

Showing 1–1 of 1

Transaction and modification history

How the contract changed

3 total

Signed	Modification	Office	Change in obligations	NAICS	PSC
Aug 11, 2026	P00002	REGION 7 CONTRACTING OFFICE	$334.6K	541620	R429
Oct 2, 2025	P00001	REGION 7 CONTRACTING OFFICE	$0	541620	R429
Aug 25, 2025	0	REGION 7 CONTRACTING OFFICE	$515.9K	541620	R429

Showing 1–3 of 3

SAM subcontract reporting

Who participates below the prime

0 total

Subaward	Subcontractor	UEI	Date	Amount	Location
No SAM subcontract records were matched to this Agency + PIID.

Showing 0–0 of 0

Principal place of performance

Where the contracted work is performed

This is contract performance geography, not the vendor’s registered entity address.

City

County

State or territory

ZIP code

Country

Congressional district

Latest historical transaction

All populated award fields

170 fields

Field	Value
awardID › awardContractID › agencyID	6800
awardID › awardContractID › agencyID › name	ENVIRONMENTAL PROTECTION AGENCY
awardID › awardContractID › PIID	68HE0725F0166
awardID › awardContractID › modNumber	P00002
awardID › referencedIDVID › agencyID	6800
awardID › referencedIDVID › agencyID › name	ENVIRONMENTAL PROTECTION AGENCY
awardID › referencedIDVID › PIID	68HE0725D0006
relevantContractDates › signedDate	2026-08-11 00:00:00
relevantContractDates › effectiveDate	2025-08-25 00:00:00
relevantContractDates › currentCompletionDate	2028-06-30 00:00:00
relevantContractDates › ultimateCompletionDate	2028-06-30 00:00:00
dollarValues › obligatedAmount	334563.67
dollarValues › baseAndExercisedOptionsValue	334563.67
dollarValues › baseAndAllOptionsValue	334563.67
totalDollarValues › totalObligatedAmount	850482.24
totalDollarValues › totalBaseAndExercisedOptionsValue	850482.24
totalDollarValues › totalBaseAndAllOptionsValue	850482.24
purchaserInformation › contractingOfficeAgencyID	6800
purchaserInformation › contractingOfficeAgencyID › name	ENVIRONMENTAL PROTECTION AGENCY
purchaserInformation › contractingOfficeAgencyID › departmentID	6800
purchaserInformation › contractingOfficeAgencyID › departmentName	ENVIRONMENTAL PROTECTION AGENCY
purchaserInformation › contractingOfficeID	68HE07
purchaserInformation › contractingOfficeID › name	REGION 7 CONTRACTING OFFICE
purchaserInformation › contractingOfficeID › country	USA
purchaserInformation › fundingRequestingAgencyID	6800
purchaserInformation › fundingRequestingAgencyID › name	ENVIRONMENTAL PROTECTION AGENCY
purchaserInformation › fundingRequestingAgencyID › departmentID	6800
purchaserInformation › fundingRequestingAgencyID › departmentName	ENVIRONMENTAL PROTECTION AGENCY
purchaserInformation › fundingRequestingOfficeID	68W000
purchaserInformation › fundingRequestingOfficeID › name	REGION 7 (FUNDING OFFICE)
purchaserInformation › foreignFunding	X
purchaserInformation › foreignFunding › description	NOT APPLICABLE
contractData › contractActionType	C
contractData › contractActionType › description	DELIVERY ORDER
contractData › typeOfContractPricing	Y
contractData › typeOfContractPricing › description	TIME AND MATERIALS
contractData › costAccountingStandardsClause	X
contractData › costAccountingStandardsClause › description	NOT APPLICABLE EXEMPT FROM CAS
contractData › reasonForModification	D
contractData › reasonForModification › description	CHANGE ORDER
contractData › costOrPricingData	N
contractData › costOrPricingData › description	No
contractData › descriptionOfContractRequirement	R7 START VI: REMEDIATION ACTION BIG RIVER MINE TAILINGS P00002: THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE ADDITIONAL INCREMENTAL FUNDING AND EXTEND THE PERIOD OF PERFORMANCE END DATE.
contractData › inherentlyGovernmentalFunction	OT
contractData › inherentlyGovernmentalFunction › description	OTHER FUNCTIONS
contractData › GFE_GFP	N
contractData › GFE_GFP › description	Transaction does not use GFE/GFP
contractData › undefinitizedAction	X
contractData › undefinitizedAction › description	NO
contractData › consolidatedContract	D
contractData › consolidatedContract › description	NOT CONSOLIDATED
contractData › performanceBasedServiceContract	N
contractData › performanceBasedServiceContract › description	NO - SERVICE WHERE PBA IS NOT USED.
contractData › multiYearContract	N
contractData › multiYearContract › description	NO
contractData › contingencyHumanitarianPeacekeepingOperation	X
contractData › contingencyHumanitarianPeacekeepingOperation › description	NOT APPLICABLE
contractData › referencedIDVMultipleOrSingle	S
contractData › referencedIDVMultipleOrSingle › description	SINGLE AWARD
contractData › referencedIDVType	B
contractData › referencedIDVType › description	IDC
contractData › purchaseCardAsPaymentMethod	N
contractData › purchaseCardAsPaymentMethod › description	NO
contractData › numberOfActions	1
legislativeMandates › ClingerCohenAct	N
legislativeMandates › ClingerCohenAct › description	NO
legislativeMandates › materialsSuppliesArticlesEquipment	N
legislativeMandates › materialsSuppliesArticlesEquipment › description	NO
legislativeMandates › laborStandards	N
legislativeMandates › laborStandards › description	NO
legislativeMandates › constructionWageRateRequirements	N
legislativeMandates › constructionWageRateRequirements › description	NO
legislativeMandates › listOfAdditionalReportingValues › additionalReportingValue	NONE
legislativeMandates › listOfAdditionalReportingValues › additionalReportingValue › description	NONE OF THE ABOVE
legislativeMandates › interagencyContractingAuthority	X
legislativeMandates › interagencyContractingAuthority › description	NOT APPLICABLE
productOrServiceInformation › productOrServiceCode	R429
productOrServiceInformation › productOrServiceCode › description	SUPPORT- PROFESSIONAL: EMERGENCY RESPONSE/DISASTER PLANNING/PREPAREDNESS SUPPORT
productOrServiceInformation › productOrServiceCode › productOrServiceType	SERVICE
productOrServiceInformation › contractBundling	H
productOrServiceInformation › contractBundling › description	NOT BUNDLED
productOrServiceInformation › principalNAICSCode	541620
productOrServiceInformation › principalNAICSCode › description	ENVIRONMENTAL CONSULTING SERVICES
productOrServiceInformation › recoveredMaterialClauses	F
productOrServiceInformation › recoveredMaterialClauses › description	ENVIRONMENTALLY PREFERABLE
productOrServiceInformation › manufacturingOrganizationType	A
productOrServiceInformation › manufacturingOrganizationType › description	U.S. OWNED BUSINESS
productOrServiceInformation › useOfEPADesignatedProducts	E
productOrServiceInformation › useOfEPADesignatedProducts › description	NOT REQUIRED
productOrServiceInformation › countryOfOrigin	USA
productOrServiceInformation › countryOfOrigin › name	UNITED STATES
productOrServiceInformation › placeOfManufacture	C
productOrServiceInformation › placeOfManufacture › description	NOT A MANUFACTURED END PRODUCT
vendor › vendorHeader › vendorName	TETRA TECH, INC.
vendor › vendorHeader › vendorAlternateName	TETRA TECH EM INC
vendor › vendorHeader › vendorLegalOrganizationName	TETRA TECH, INC.
vendor › vendorHeader › vendorDoingAsBusinessName	TETRA TECH EM INC
vendor › vendorSiteDetails › vendorBusinessTypes › businessOrOrganizationType › isCorporateEntityNotTaxExempt	1
vendor › vendorSiteDetails › vendorRelationshipWithFederalGovernment › receivesContractsAndGrants	1
vendor › vendorSiteDetails › vendorOrganizationFactors › profitStructure › isForProfitOrganization	1
vendor › vendorSiteDetails › vendorOrganizationFactors › stateOfIncorporation	DE
vendor › vendorSiteDetails › vendorOrganizationFactors › stateOfIncorporation › name	DELAWARE
vendor › vendorSiteDetails › vendorOrganizationFactors › countryOfIncorporation	USA
vendor › vendorSiteDetails › vendorOrganizationFactors › countryOfIncorporation › name	UNITED STATES
vendor › vendorSiteDetails › vendorOrganizationFactors › organizationalType	CORPORATE NOT TAX EXEMPT
vendor › vendorSiteDetails › vendorLocation › streetAddress	415 OAK ST
vendor › vendorSiteDetails › vendorLocation › city	KANSAS CITY
vendor › vendorSiteDetails › vendorLocation › state	MO
vendor › vendorSiteDetails › vendorLocation › state › name	MISSOURI
vendor › vendorSiteDetails › vendorLocation › ZIPCode	641061120
vendor › vendorSiteDetails › vendorLocation › ZIPCode › city	KANSAS CITY
vendor › vendorSiteDetails › vendorLocation › countryCode	USA
vendor › vendorSiteDetails › vendorLocation › countryCode › name	UNITED STATES
vendor › vendorSiteDetails › vendorLocation › phoneNo	8136108956
vendor › vendorSiteDetails › vendorLocation › faxNo	7034441685
vendor › vendorSiteDetails › vendorLocation › congressionalDistrictCode	05
vendor › vendorSiteDetails › vendorLocation › entityDataSource	E&Y
vendor › vendorSiteDetails › vendorAlternateSiteCode	64106
vendor › vendorSiteDetails › entityIdentifiers › vendorUEIInformation › UEI	HHDHBZL5PLM5
vendor › vendorSiteDetails › entityIdentifiers › vendorUEIInformation › UEILegalBusinessName	TETRA TECH, INC.
vendor › vendorSiteDetails › entityIdentifiers › vendorUEIInformation › ultimateParentUEI	LMRMKLLL3LG5
vendor › vendorSiteDetails › entityIdentifiers › vendorUEIInformation › ultimateParentUEIName	TETRA TECH INC.
vendor › vendorSiteDetails › entityIdentifiers › cageCode	1Y4W3
vendor › vendorSiteDetails › ccrRegistrationDetails › registrationDate	2002-06-27 00:00:00
vendor › vendorSiteDetails › ccrRegistrationDetails › renewalDate	2026-01-15 00:00:00
vendor › contractingOfficerBusinessSizeDetermination	O
vendor › contractingOfficerBusinessSizeDetermination › description	OTHER THAN SMALL BUSINESS
placeOfPerformance › principalPlaceOfPerformance › stateCode	MO
placeOfPerformance › principalPlaceOfPerformance › stateCode › name	MISSOURI
placeOfPerformance › principalPlaceOfPerformance › countryCode	USA
placeOfPerformance › principalPlaceOfPerformance › countryCode › name	UNITED STATES
placeOfPerformance › placeOfPerformanceZIPCode	636510001
placeOfPerformance › placeOfPerformanceZIPCode › county	SAINT FRANCOIS
placeOfPerformance › placeOfPerformanceZIPCode › city	KNOB LICK
placeOfPerformance › placeOfPerformanceCongressionalDistrict	08
competition › extentCompeted	A
competition › extentCompeted › description	FULL AND OPEN COMPETITION
competition › solicitationProcedures	NP
competition › solicitationProcedures › description	NEGOTIATED PROPOSAL/QUOTE
competition › idvTypeOfSetAside	NONE
competition › idvTypeOfSetAside › description	NO SET ASIDE USED.
competition › typeOfSetAsideSource	B
competition › typeOfSetAsideSource › description	IDC
competition › evaluatedPreference	NONE
competition › evaluatedPreference › description	NO PREFERENCE USED
competition › idvNumberOfOffersReceived	1
competition › numberOfOffersSource	B
competition › numberOfOffersSource › description	IDC
competition › commercialItemAcquisitionProcedures	D
competition › commercialItemAcquisitionProcedures › description	COMMERCIAL PRODUCTS/SERVICES PROCEDURES NOT USED
competition › commercialItemTestProgram	N
competition › commercialItemTestProgram › description	NO
competition › fedBizOpps	Y
competition › fedBizOpps › description	YES
competition › localAreaSetAside	N
competition › localAreaSetAside › description	NO
preferencePrograms › subcontractPlan	F
preferencePrograms › subcontractPlan › description	INDIVIDUAL SUBCONTRACT PLAN
transactionInformation › createdBy	ZIELINSKI.TRICIA@EPAMAIL.EPA.GOV
transactionInformation › createdDate	2026-08-07 10:02:17
transactionInformation › lastModifiedBy	ZIELINSKI.TRICIA@EPAMAIL.EPA.GOV
transactionInformation › lastModifiedDate	2026-08-11 12:44:43
transactionInformation › status	F
transactionInformation › status › description	FINAL
transactionInformation › approvedBy	ZIELINSKI.TRICIA@EPAMAIL.EPA.GOV
transactionInformation › approvedDate	2026-08-11 12:44:43
transactionInformation › closedStatus	N
genericTags › genericStrings › genericString01	2025-08-24 00:00:00
genericTags › genericStrings › genericString02	HHDHBZL5PLM5
genericTags › genericStrings › genericString06	TO