This Government Contract opportunity from California was posted on August 11, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental & Water Quality Consulting

Closed

State & Local

Submission Closed09/09/2026, 11:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 541620

New

Federal

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CULTURAL RESOUCE SERVICES

Western Area Power Administration

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Biological Monitoring for 2026-2027 Maintenance and Wood Pole Projects (WPP), Western Area Power Administration, Desert Southwest Region, Phoenix

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ON-CALL BIOLOGICAL SUPPORT SERVICESThe Western Area Power Administration, under the Department of Energy, is forecasting a requirement for on-call biological support services to be performed in California. This opportunity is designated as a small business set-aside under NAICS code 541620, focusing on environmental consulting services. The procurement is managed by the Small Business Program Managers and is intended to provide the agency with flexible, as-needed biological expertise. Interested parties can coordinate with the designated points of contact to prepare for this upcoming requirement.

Western Area Power Administration

POSTED

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U.S. DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY ADMINISTRATION (DOE/NNSA)OFFICE OF COUNTERTERRORISM AND COUNTER-PROLIFERATION (NA-80) TECHNICAL SUPPORT SERVICES

National Nuclear Security Administration

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U.S. DEPARTMENT OF ENERGYS (DOE) OFFICE OF THE ASSOCIATE UNDER (AU) SECRETARY FOR ENVIRONMENT, HEALTH AND SAFETY TECHNICAL SUPPORT SERVICES DOE/NNSA TEPS BPA DE-NA0003061 (Mele)

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B23 & B24 Vapor Intrusions Mitigations - Phase 1 GPP Funded

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On-Call Biological Support Services for 2026 Integrated Vegetation Management Work, Western Area Power Administration, Desert Southwest Region, PhoenixThe Western Area Power Administration, under the Department of Energy, is forecasting a requirement for on-call biological support services to assist with 2026 integrated vegetation management work within the Desert Southwest Region in Phoenix. This procurement falls under NAICS code 541620, which covers environmental consulting services. The project is intended to provide specialized biological expertise to support vegetation management efforts. Interested parties can coordinate with the Small Business Program Managers for further details regarding this upcoming opportunity.

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POSTED

DEADLINE

Geotechnical Permitting and Administrative SupportThis subcontract for Geotechnical Permitting and Administrative Support involves managing the permitting process for prime contractors working on California Department of Transportation projects. The scope of work includes obtaining Encroachment Permits and Local Enforcement Agency approvals, as well as scheduling borehole sealing inspections. A critical requirement of the contract is the submission of Well Completion Reports within seven calendar days following the sealing process to ensure regulatory compliance. The project is based in Imperial and falls under NAICS code 541620. Interested parties must submit their responses by the deadline of November 5, 2026. The selected provider will be responsible for delivering all approved permits and necessary compliance documentation to the agency.

California Department of Transportation

POSTED

DEADLINE

Legionella Control and Monitoring ServicesThe Legionella Control and Monitoring Services subcontract involves providing specialized testing and the implementation of control programs to detect and prevent Legionella bacteria at the Veterans Home of California Redding. Working under prime contractors for the California Department of Veterans Affairs, the selected provider will conduct semi-annual sampling and analysis of water systems utilizing either PCR or culture-based testing methods. To qualify for this engagement, providers must hold specialized certifications in environmental microbiology or Legionella risk management. Key deliverables include the submission of semi-annual monitoring reports and comprehensive control documentation. The opportunity is categorized under NAICS code 541620, with a response deadline set for October 30, 2026.

California Department of Veterans Affairs

POSTED

DEADLINE

Environmental Monitoring & ConsultingThis subcontract for Environmental Monitoring and Consulting supports the demolition projects at the Papaikou Community Center for the Hawaii Parks and Recreation agency. The selected provider will deliver third-party monitoring and inspection services to oversee the removal of hazardous materials, specifically focusing on monitoring airborne lead levels and conducting visual inspections for residual lead paint chips. To ensure safety and legal adherence, the contractor must maintain compliance with EPA, OSHA, and HIOSH regulations and provide a certified Industrial Hygienist to manage the process. Key deliverables include the submission of detailed monitoring reports and official lead clearance certifications. Interested parties should note that the response deadline is November 20, 2026, and the work falls under NAICS code 541620.

POSTED

DEADLINE

Cooling Tower Water Treatment and WMP ComplianceThis subcontract for Cooling Tower Water Treatment and WMP Compliance involves providing chemical treatment and water quality management for prime contractors working on County of Orange Sheriff-Coroner facility projects. The selected provider is responsible for developing and implementing site-specific Water Management Plans in accordance with ASHRAE Standard 188 and servicing biocide injection systems and conductivity controllers to ensure compliance with California Health and Safety Code Section 116057. Key deliverables include the final Water Management Plan, detailed water quality test results, and comprehensive chemical feed maintenance records. The solicitation was posted on October 16, 2026, with a response deadline of December 16, 2026, falling under NAICS code 541620.

Sheriff-Coroner

POSTED

1 day ago

DEADLINE

in about 2 months

AI Contract Overview

This subcontract for Environmental and Water Quality Consulting supports prime contractors on City of Vista projects by providing regulatory analysis and technical reporting. The scope of work includes the preparation of Project Determination Checklists and Stormwater Quality Management Plans, as well as the delivery of Water Quality Technical Reports. The consultant is responsible for conducting Urban Runoff Threat Assessments in accordance with regional water quality standards and specific City of Vista stormwater regulations. This opportunity is based in Vista, California, with a response deadline of September 9, 2026.

General Info

Environmental and water quality consulting for City of Vista projects, deadline September 9, 2026.

Agency

California → City of Vista

NAICS

541620 - Environmental Consulting Services

Place of Performance

Vista, CA, 92084, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260811026.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Paseo Buena Vista Park Project – Engineering Design

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 11

subcontract

Response DeadlineSep 9

Deadline has passed

Submission Closed

09/09/2026, 11:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Vista

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Vista

Office AddressN/A

ContactsNo contact information available

Full Description

Performs regulatory analysis and technical reporting for water quality for prime contractors on City of Vista projects. Prepares Project Determination Checklists and Stormwater Quality Management Plans (SQMP). Conducts Urban Runoff Threat Assessments based on City of Vista stormwater regulations and regional water quality standards. Delivers Water Quality Technical Reports.

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