This Solicitation opportunity from California was posted on July 6, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Waste Water Treatment Management Services Provider

Awarded

7669State & Local

Submission Closed08/04/2026, 09:00:00 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: 221320

New

SLED

Bypass Pumping ServicesThis subcontract for Bypass Pumping Services involves providing temporary pumping solutions for prime contractors working on Gwinnett County Department of Water Resources pump station projects. The selected provider will be responsible for the installation, operation, and maintenance of temporary systems designed to divert wastewater around active construction zones, ensuring that facility operations remain uninterrupted and flow management is continuous throughout the rehabilitation period. The opportunity is associated with the Gwinnett County Government in Georgia under NAICS code 221320. Interested parties must note that the response deadline is December 8, 2026, following a posting date of October 21, 2026.

Gwinnett County Government

POSTED

DEADLINE

Sioux City Wastewater Treatment Plant Facility Plan - Phase 1 Improvements Project

Solicitation # sioux-city-wastewater-treatment-plant-facility-plan-phase-1-improvements-project

The Sioux City Wastewater Treatment Plant Facility Plan Phase 1 Improvements Project, managed by Rice Lake Construction Group, involves extensive upgrades and structural rehabilitations to enhance plant operations in Iowa. Key mechanical and process improvements include the replacement of preliminary treatment equipment, primary clarifiers, and the RAS pump station, alongside the conversion of aeration tanks to a three-stage process and the rehabilitation of an anaerobic digester for sludge storage. The project also prioritizes infrastructure modernization through the installation of a new secondary control building, plant-wide odor control systems, standby emergency power generators, new main switchgear, and SCADA system upgrades to ensure compliance with NFPA 820 and other safety standards. The scope of work encompasses a wide array of construction and technical services, ranging from hazardous material abatement and concrete work to the installation of complex process gas and liquid handling equipment. Additionally, the project requires the demolition of several unused structures, including old primary clarifiers, pump houses, and storage buildings. Comprehensive site and civil improvements will be integrated with new HVAC, plumbing, electrical, and fire detection systems to fully modernize the facility.

Rice Lake Construction Group

POSTED

DEADLINE

Operations and Maintenance (O&M) Services for the SBIWTP

Solicitation # 191BWC26R0009

Solicitation 191BWC26R0009 is a request for proposals issued by the International Boundary and Water Commission for Firm Fixed Price operations and maintenance services at the South Bay International Wastewater Treatment Plant in San Ysidro, California. The contract is structured with a base year running from June 1, 2027, to May 31, 2028, and three subsequent option years, potentially extending performance through May 31, 2031. The scope of work focuses on plant operations, SCADA management, and maintenance, with a specific emphasis on coordinating the facility's expansion from 25 MGD to 50 MGD. Key requirements include maintaining 24/7 staffing with a bilingual operator and ensuring strict compliance with National Pollutant Discharge Elimination System permits and other regional water quality board regulations. The government will utilize the Highest Technically Rated with a Fair and Reasonable Price method for award, where non-price factors such as plant operations, permit compliance, and company experience are significantly more important than cost. Technical proposals must be submitted in two separate volumes, with a heavy emphasis on staffing qualifications, including certified Grade V operators and Lab Analyst II personnel. Contractors are required to provide a performance bond and adhere to strict security protocols, including background investigations for all personnel and the protection of Controlled Unclassified Information. Performance will be monitored via a Quality Assurance Surveillance Plan focusing on regulatory compliance, effluent quality, and system uptime.

Internat Boundary And Water Commission

POSTED

DEADLINE

146799 WOD TREATMENT OPS LAAFP 2027 SHUTDOWN KELLUNDITE DIFFUSERS

Solicitation # 232557

The City of Los Angeles Department of Water and Power has issued solicitation number 232557 for the WOD Treatment Ops LAAFP 2027 Shutdown Kellundite Diffusers project. This local government opportunity is centered in Los Angeles, California, and falls under NAICS code 221320. Interested vendors must submit their responses by the closing deadline of October 23, 2026, at 5:00 PM. For further inquiries regarding the content or requirements of the bid, the designated contact is Nizar Faruk. Potential participants may be required to register through the City of Los Angeles website to officially bid on this project.

POSTED

DEADLINE

Y--GRCA 257282 - Replace Wastewater Plant at South Ri

Solicitation # 140P2026R0101

Solicitation 140P2026R0101 is an unrestricted full and open competition Invitation for Bid issued by the National Park Service, DSC Contracting Services Division, for the replacement of the South Rim Wastewater Treatment Plant at Grand Canyon National Park, Arizona. The project involves the construction of a GD Membrane Bio-Reactor wastewater treatment plant, including new treatment facilities, administrative and support buildings, and process systems. The scope of work encompasses complete demolition and removal of existing infrastructure, site preparation, grading, paving, fencing, and improvements to the facility access road. The project is estimated to exceed 100 million dollars, with a period of performance from February 1, 2027, to February 1, 2030, and a revised assumed Notice to Proceed date of April 1, 2027. The government will utilize a multi-factor, best-value tradeoff process for award, evaluating technical experience, technical approach, key personnel experience, and price. Key requirements include the provision of performance and payment bonds, adherence to union prevailing wage rates, and a 12-month operational support period following construction. Technical specifications emphasize strict cybersecurity hygiene for SCADA/MES equipment, full government rights to supplied software and source code, and compliance with ADA standards. Proposals must be submitted electronically in separate volumes, with specific evaluations focusing on the contractor's ability to manage complex wastewater plant commissioning and regulatory approvals.

Dsc Contracting Services Division

POSTED

DEADLINE

RFP 9170 Water Treatment Program

Solicitation # 49476

Bowling Green State University is seeking proposals from qualified vendors to implement a comprehensive water treatment program for its Campus Operations department. This solicitation, identified as RFP 9170, is managed by the university's purchasing department and is open to providers capable of meeting the technical requirements of the program. Interested parties must submit all proposals and inquiries exclusively through the Bid Express platform by the deadline of October 30, 2026, at 4:00 PM. All communications must be directed to the designated purchasing contact, Jacob Konecny, as contacting other university personnel regarding this bid may result in the disqualification of the proposal.

Bowling Green State University - Purchasing

POSTED

DEADLINE

Process Equipment SupplierThis subcontract opportunity with Garney Pacific, Inc. is for a process equipment supplier to support wastewater treatment plant projects for the City of Redlands. The selected supplier will be responsible for providing and delivering specialized equipment, including pumps, chemical feed systems, filters, GAC, and HDPE tanks. The contract is set aside for various small business categories, including SBA certified Veteran, Service-Disabled Veteran, Women-Owned, and HUBZone small businesses. Key compliance requirements include the use of union labor and the provision of a 100% Payment and Performance Bond. Responses are due by November 12, 2026.

POSTED

DEADLINE

Water Treatment Cartridge Filter SupplierThis subcontract agreement establishes a partnership for the supply of NSF-61 certified melt-blown polypropylene pleated cartridge filters intended for sediment removal on City of Tucson Water Department projects. The supplier is responsible for providing filters that meet specific technical requirements, including a 6 inch outer diameter, 60 inch length, 5 micron absolute retention, and 75 square feet of surface area, ensuring full compatibility with FILTREK housing and the provision of all necessary manufacturers data sheets. The contract mandates the delivery of 408 cartridges annually, distributed in quarterly batches of 102 units. This procurement falls under NAICS code 221320 and is managed through the Arizona Water Department, with a response deadline set for October 30, 2026.

POSTED

DEADLINE

Waste Water Treatment Plant Operations and MaintenanceThis subcontract for Waste Water Treatment Plant Operations and Maintenance involves the daily operation and preventive maintenance of Department of the Air Force facility projects at Lajes Field in Praia da Vitoria, Portugal. The scope of work includes managing an 800K GPD activated sludge treatment system, 14 lift stations, 8 oil-water separators, and 2 grease traps. The contractor is responsible for implementing a comprehensive 52-week preventive maintenance plan and providing continuous operational status updates and detailed maintenance logs. To ensure technical compliance, the contract requires a Lead Operator possessing a Level II WPI Certification and a minimum of three years of on-site experience. This opportunity is categorized under NAICS code 221320 and is associated with the Department of Defense. Interested parties must submit their responses by the deadline of November 23, 2026.

POSTED

DEADLINE

Waste Water Treatment Plant Services

Solicitation # FA448627Q0002

Solicitation FA448627Q0002 is a Request for Quotation issued by the Department of the Air Force for Waste Water Treatment Plant Services at Lajes Field in Praia da Vitoria, Azores, Portugal. The contractor will be responsible for the operation and maintenance of a waste water treatment plant with a capacity of 800,000 gallons per day, as well as the associated lift station, oil-water separator, and grease traps. Key requirements include providing a Lead Operator with a Level II or higher WPI Certification and at least three years of experience, implementing a 52-week preventive maintenance plan, and ensuring compliance with ISO/IEC 17025 laboratory standards and Portuguese decree law 183/2009 for waste landfills. The scope also encompasses corrosion control, painting, and the management of hazardous materials. The government intends to award a single Firm-Fixed-Price contract with a total duration not to exceed 66 months, consisting of a base period and four option periods. This is an unrestricted acquisition, and proposals must be submitted electronically by November 23, 2026, at 14:00 Azores Time. Offers are evaluated through a three-step sequential process: an administrative compliance review, a technical acceptability evaluation based on experience, approach, and a quality control plan, and finally a price evaluation in Euro currency. Award is contingent upon the availability of funds. Payments will be processed electronically via the Wide Area WorkFlow system.

POSTED

DEADLINE

DCDO Septic Tank and Sewage Treatment Maintenance

Solicitation # FA527027QB006

The United States Air Force 18th Contracting Squadron is soliciting quotations for a single-award, firm-fixed-price requirements contract to provide septic tank and sewage treatment plant maintenance services for the Defense Communications Detachment Okinawa (DCDO) in Okinawa, Japan. The contract encompasses a base period from December 1, 2026, to November 30, 2027, with four subsequent option periods extending the total performance through November 30, 2031. The scope of work includes implementing a Preventive Maintenance Inspection Service program, performing general maintenance and repairs, and responding to routine service calls within 24 hours. All maintenance personnel must be certified plant operators approved by the Government of Japan Ministry of Public Health and Welfare. Award will be granted to the responsible offeror whose proposal is determined to be the most advantageous to the government, with price serving as the primary evaluation factor. To be considered responsible, quoters must submit current Industrial Waste Disposal or Collection and Transportation Business licenses. Deliverables include quarterly work reports and personnel access lists submitted one week prior to starting work. The contractor must also adhere to strict marking and labeling standards for any delivered items per MIL-STD-130 and MIL-STD-129. Quotations must be submitted electronically by October 26, 2026, and must include a detailed pricing breakdown via the provided Price Exhibit.

POSTED

DEADLINE

Septic and Holding Tank Pumping, Hauling, and Disposal ServicesThis subcontract involves providing septic and holding tank pumping, hauling, and disposal services for prime contractors working on California Department of Parks and Recreation projects. The selected provider is responsible for pumping tanks to the bottom, removing all garbage and debris, and transporting waste to authorized disposal sites. To ensure operational readiness, the contractor must maintain a business location within Humboldt or Mendocino County and possess the necessary vacuum trucks to complete the work. Key performance requirements include a strict two-hour on-call response time for emergency situations and the delivery of fully pumped tanks with verified disposal documentation. This opportunity is categorized under NAICS code 221320, with the primary place of performance located in Humboldt. Interested parties must submit their responses by October 22, 2026.

California Department of Parks & Recreation

POSTED

14 days ago

DEADLINE

in about 23 hours

AI Contract Overview

Merced County is soliciting proposals for Waste Water Treatment Management Services Provider under Solicitation Number 7669, an open RFP set to close in approximately 28 days. The bid documents are available for download through the official portal, and all participation requires prior registration; submissions via mail, email, fax, or in person are not accepted. Interested parties must submit questions and clarifications online through the designated Clarifications tab by the deadline of July 20, 2026, at 2:00 PM Pacific Time, with proposals due by August 4, 2026, at the same time. The contract falls under multiple categories including Public Works and Related Services, Environmental and Ecological Services, and Miscellaneous Services, reflecting the multidisciplinary nature of the required support. All work is to be performed at 715 Martin Luther King Jr. Way in Merced, California, and the County of Merced is the sole contracting entity, with Kim Nausin, Purchasing Manager, listed as the primary point of contact for inquiries. The bidding process follows a one-step unsealing procedure and is conducted entirely electronically through the County’s procurement platform.

General Info

Merced County seeks electronic proposals for wastewater treatment services by August 4, 2026, via approved portal only.

Agency

California → County of Merced

Contract Value

NAICS

221320 - Sewage Treatment Facilities

Place of Performance

CA, USA

Set-Aside

NONE

Awardee

Aqualytics Water & Wastewater

Award Issued Date

08/27/2026, 12:00:00 AM UTC

Documents

Merced County RFP Section 4 Terms and Conditions

rfp

High

MERCED COUNTY Special Services Agreement Template

contract-document

High

RFP 7669 Water Treatment Operator Services Merced County

rfp

High

RFP Section 3 - Basis of Award and Evaluation Criteria

rfp

High

Section 2 - Response Format and Content for RFP 7669

rfp-section

High

Definitions for Merced County RFP Agreement

definitions

Low

Signature Page for RFP Response

signature-page

Low

AI Contract Breakdown

Uniform Contract Format

Timeline

1 update

PhaseAwarded

PostedJul 6

Solicitation

Notice updatedJul 6

The notice description changed.

AwardedAug 27

Contract was awarded

Submission Closed

08/04/2026, 09:00:00 PM UTC

Find active opportunities like this

Start your free trial to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyCalifornia → County of Merced

Contacts1 person available

OfficeCA, USA

Organization / AgencyCalifornia → County of Merced

Office AddressCA, USA

Contacts

Kim NausinPurchasing Manager

contact@example.gov

Full Description

Return to Bid List Bid NUMBER 7669 TITLE Waste Water Treatment Management Services Provider PROCESS One Step Unsealing BASE CURRENCY USD STATUS Awarded DESCRIPTION BID DOCUMENTS RESULTS CALENDAR
You must log in to register for Bid Events and to view Bid Question and Response information.
NUMBER 7669 TITLE Waste Water Treatment Management Services Provider AVAILABLE DATE 7/6/2026 2:00 PM CLARIFICATION DEADLINE 7/20/2026 2:00 PM DUE DATE 8/4/2026 2:00 PM CONTACT INFORMATION Kim Nausin, Purchasing Manager, kim.nausin@countyofmerced.com BID TYPE RFP BILL TO 715 Martin Luther King Jr. Way, Merced, California CA 95340 US SHIP TO 715 Martin Luther King Jr. Way, Merced, California CA 95340 US DESCRIPTION
Merced County is accepting proposals for
WASTE WATER TREATMENT
MANAGMENT SERVICES PROVIDER

You must register first in order to participate.
To access and download the RFP package, click on the "BID DOCUMENTS" tab (above).
Questions and clarifications must be submitted online by clicking on the Clarifications tab of this bid.
The County does not accept bids or proposals in person, by mail, email or fax.
BID CATEGORIES (3 records) CODE TITLE FULL NAME 014 PUBLIC WORKS AND RELATED SERVICES 000 ALL CATEGORIES > 014 PUBLIC WORKS AND RELATED SERVICES 021 ENVIRONMENTAL AND ECOLOGICAL SERVICES 000 ALL CATEGORIES > 021 ENVIRONMENTAL AND ECOLOGICAL SERVICES 026 MISCELLANEOUS SERVICES 000 ALL CATEGORIES > 026 MISCELLANEOUS SERVICES