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SEMPER ENVIRONMENTAL LLC

UEI: EN5NDLLPHEN5CAGE: 7XCD1

SEMPER ENVIRONMENTAL LLC is a federal contractor, registered under UEI EN5NDLLPHEN5 and CAGE code 7XCD1. It has been awarded $1,852,984 in federal contracts. Primary work spans Remediation Services, Engineering Services, and Water and Sewer Line and Related Structures Construction. Top awarding agencies include Department Of Veterans Affairs, Department Of Defense (dod), and Department Of Defense.

Contact Information

Registration and classification details

Registration

UEI Code

EN5NDLLPHEN5

CAGE Code

7XCD1

Entity Structure

Partnership or Limited Liability Partnership

Established

N/A

Business Classifications

For Profit OrganizationLimited Liability CompanyService-Disabled Veteran-Owned BusinessVeteran-Owned Business

NAICS Codes

115310Support Activities for Forestry
237110Water and Sewer Line and Related Structures Construction
238990All Other Specialty Trade Contractors
541330Engineering Services
541370Surveying and Mapping (except Geophysical) Services
+9 more

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

AI Capability Profile

SEMPER ENVIRONMENTAL LLC specializes in environmental engineering services focused on groundwater and gas monitoring systems for federal facilities. The contractor delivers technical solutions for landfill environmental compliance, including the design, deployment, and maintenance of in-situ monitor...

SEMPER ENVIRONMENTAL LLC specializes in environmental engineering services focused on groundwater and gas monitoring systems for federal facilities. The contractor delivers technical solutions for landfill environmental compliance, including the design, deployment, and maintenance of in-situ monitoring networks to detect contaminant migration and volatile organic compound emissions. Their expertise lies in subsurface sampling protocols, data acquisition systems, and regulatory reporting frameworks aligned with EPA and VA environmental standards. Key differentiators include precision instrumentation calibration, real-time data validation, and adaptive monitoring strategies tailored to sensitive veteran healthcare site operations. The company maintains a consistent relationship with the Department of Veterans Affairs, providing critical environmental surveillance services at VA-managed landfills and waste disposal sites. Their work supports VA’s mission to uphold environmental stewardship and protect public health by ensuring compliance with RCRA, CERCLA, and underground storage tank regulations. The nature of these engagements suggests a pattern of recurring, mission-critical support tied to long-term facility sustainability goals. SEMPER ENVIRONMENTAL LLC’s primary industry focus is engineering services under NAICS 541330, which encompasses applied environmental engineering for regulatory compliance and site remediation. They operate at the intersection of environmental science and civil infrastructure, with a vertical specialization in landfill environmental management and subsurface contaminant tracking. Their market positioning is that of a niche provider serving federal agencies requiring scientifically rigorous, defensible environmental monitoring programs. As a Service-Disabled Veteran-Owned Business headquartered in Sandy, Utah, the company leverages its certification to align with federal small business and veteran-owned contracting priorities. Its operational footprint is focused on federal environmental compliance projects, particularly those requiring on-site technical presence and rapid response capabilities. The firm’s structure supports agile, mission-driven service delivery within highly regulated federal environments.

Key Performance Metrics

Awards Count

10

All time

Active

4

Currently performing

Completed

6

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency
Awards by NAICS
Export
Awards by Agency Over Time
Awards by Place of Performance

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NAICS: 237110
New
IEUA RMPU Basin Improvements Project Montclair Basin Improvements
Solicitation # ieua-rmpu-basin-improvements-project-montclair-basin-improvements
The IEUA RMPU Basin Improvements Project involves construction improvements at Montclair Basin 2 and 3 in Chino, California. The primary objective is to divert available storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The scope of work is comprehensive, requiring all materials, labor, tools, equipment, and incidentals necessary to furnish, install, commission, and deliver a fully functional project. Key activities include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as the installation of concrete pipes and structures. Specialized services required for the project include electrical work, welding, construction surveys, preconstruction video, and traffic control. Norstar Plumbing and Engineering, Inc. is managing the solicitation and is specifically seeking certified and qualified DBE, MBE, SBE, and WBE subcontractors and suppliers to support these efforts. The project falls under NAICS code 237110. Interested parties must submit their bids by October 29, 2026, at 2:00 PM. Detailed plans and specifications are available through the Inland Empire Utilities Agency bidding website, and coordination is handled by primary points of contact Nathan and Destiny Plummer.
Norstar Plumbing and Engineering, Inc

POSTED

about 6 hours ago

DEADLINE

in about 19 hours
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NAICS: 237110
New
Morgans Branch Force Main and Pump Station Improvements
Solicitation # SRP-W-134-0290
The Morgans Branch Force Main and Pump Station Improvements project, solicitation number SRP-W-134-0290, is a construction contract for the City of Belmont in North Carolina with a project estimate of 16,690,000 dollars. The scope of work involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and comprehensive upgrades to the Morgans Branch Pumping Station. Key deliverables include the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. The project also encompasses the installation of new gravity sewers, manholes, site grading, and the provision of a fully operating pumping station equipped with mechanical and electrical systems, a generator, and odor control equipment. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with responsiveness contingent upon the submission of a completed EJCDC C-410 Bid Form, a bid bond, and required MWBE documentation, including a Good Faith Efforts Form and Table A. The contractor must provide performance and payment bonds equal to the contract price and maintain insurance with an A.M. Best rating of A-VII or better. Performance is governed by a Notice to Proceed, with liquidated damages set at 1,000 dollars per day for failure to achieve substantial completion. Payments are processed monthly via applications for payment submitted to the Engineer, with payment due 30 days after presentation to the owner.
Don Moorhead Construction, Inc.

POSTED

about 6 hours ago

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in 13 days
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NAICS: 237110
New
Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 in CA
Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitation-phase-2-ca
Garney Pacific, Inc. is seeking quotes from qualified subcontractors for the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 project located in Oakland, California, for the East Bay Municipal Utility District. The comprehensive scope of work includes the rehabilitation of covered and open concrete structures, the relining, modification, or replacement of steel and ductile iron pipes and supports, and the installation or replacement of valves and piping appurtenances. Additionally, the project requires the operation of a temporary 11 MGD pumped bypass, rehabilitation of reactor mixers and aerators, improvements to instrumentation and electrical systems, replacement of motor control center components, modifications to sluice and slide gates, installation of access platforms, rerouting of sump pump discharge lines, excavation, trench work, and surveying. This solicitation is open to small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. All subcontractors are required to utilize union labor and must be prepared to provide a 100 percent Payment and Performance Bond from a US Treasury listed Surety Company, with bond rates submitted at the time of the bid. Quotes are due by November 17, 2026, at 2:00 PM PT, with the final bid date set for November 18, 2026. Bids will be based on Garney Standard Purchase Order and Subcontract forms, and any exceptions must be submitted as redlines or comments along with the quote.
Garney Pacific, Inc.

POSTED

about 6 hours ago

DEADLINE

in 21 days
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NAICS: 237110
New
IEUA RP-5 Offsite Facilities Project No. EN19001.03 and Butterfield Lift Station Improvements Project No. EN26054
Solicitation # EN19001.03 / EN26054
Filanc is soliciting quotes for the IEUA RP-5 Offsite Facilities Project No. EN19001.03 and the Butterfield Lift Station Improvements Project No. EN26054 located in Chino and Chino Hills, California. The comprehensive scope of work involves significant wastewater infrastructure improvements, including the installation of approximately 6,200 linear feet of 14 to 16-inch diameter HDPE DR 11 dual force mains from El Prado Road to Kimball Avenue. Additionally, the project requires the construction of the Mountain Avenue Lift Station with two submersible pumps, modifications to the RP-2 Lift Station to include an elevated electrical platform and standby generator, and the replacement of the motor control center, pumps, and motors at the Butterfield Lift Station while maintaining continuous operational service. Filanc is seeking quotes across a wide array of trades, including SWPPP, survey, aggregates, demolition, fencing, paving, striping, precast concrete, rebar, masonry, metals, coatings, signage, process equipment, pre-engineered FRP enclosures, fire suppression, piping, valves, pipe supports, and E&IC. This solicitation is open to small businesses, including SDB, WOSB, HUBZone, and VOSB certifications, with a strong emphasis on equal opportunity and DBE participation. All bids and quotes must be submitted by October 29, 2025, at 2:00 PM.
Filanc

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in about 19 hours
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NAICS: 562910
New
Theatre Mold Remediation Scope of Work
Solicitation # AT25-0006
Solicitation AT25-0006 is a subcontracting opportunity with Adams and Associates, Inc. for comprehensive mold remediation at Theatre Building 1086 of the Atterbury Job Corps Center in Edinburgh, Indiana. The project was necessitated by a sprinkler system failure and requires the remediation of all visible and exposed interior components, as well as the cleaning or replacement of damaged theater seating cushions. All work must be performed in accordance with ANSI/IICRC S520 standards, EPA guidelines, OSHA regulations, and the April 11, 2024, Micro Air Inc. Mold Testing report, with Indiana state laws prevailing where more stringent than federal requirements. Key deliverables include the provision of a Certified Industrial Hygienist to conduct daily site visits and a final clearance walkthrough, a detailed remediation plan featuring HEPA filtration and negative air pressure, and the submission of all required permits and licenses. This is a small business set-aside opportunity requiring a single lump sum bid. Award decisions are based on best value, with evaluation weights assigned to price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Successful offerors must provide proof of a valid Indiana Contractor's License, Davis-Bacon Act wage rate compliance, and specific automobile and workers compensation insurance naming Adams and Associates, Inc. as an additional insured. The contractor must commence work within 14 days of the Notice to Proceed and provide a sequenced construction schedule within 10 days of that notice. Payment terms are Net 30. Proposals must include a detailed cost breakdown, a timeline for substantial completion, a W9, and a completed vendor questionnaire.
Atterbury Job Corps Center

POSTED

about 6 hours ago

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in 12 days
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