Closed bids
Closed Maryland Water and Wastewater Bids & RFPs
- Closed in the last 30 days
- 9
- Closed this year
- 50+
- Closed bids on record
- 50+
Bid Banana holds 50+ closed Maryland water and wastewater solicitations. These are the 50 that closed most recently. In the last 12 months, the most Maryland water and wastewater bids closed in October 2026 (9); the agencies behind the most of the 50 most recent were Maryland Environmental Service - Procurement Division, U.S. Department Of Veterans Affairs and Howard County, Office of Procurement.
Recently closed
- Well Field Inspection, Maintenance, and Repair Services
- Furnish and Delivery of Del PAC 2020 at Frostburg WTP - SBR Procurement
The Maryland Environmental Service (MES) is issuing a public notice seeking competitive sealed electronic bids from qualified contractors to…
- Maintenance and Service for Deionized (DI) Water Systems
The Naval Air Warfare Center seeks a qualified contractor to provide comprehensive preventive maintenance, servicing, and emergency repair…
- Abingdon Water Treatment Plant pH Control System Upgrade
- J046--NOTICE OF INTENT TO SOLE SOURCE Baltimore VAMC WRO300H Reverse Osmosis Dialysis Water System Service Support Evoqua Water Technologies, LLC
This notice announces the VA’s intent to award a sole‑source maintenance contract for six Mar Cor WRO300H reverse‑osmosis dialysis…
- Removal and Replacement of existing Culligan water treatment systems located at various facilities on Spesutie Island
The U.S. Army Research Laboratory on Spesutie Island, MD is seeking a small‑business contractor to remove existing Culligan water‑treatment…
Show 44 more
- Furnish and Deliver Small and Large Water Meters
Washington Suburban Sanitary Commission (WSSC) is seeking qualified contractors to supply and deliver both small and large water meters…
- 4610--NX EQ Water Purification Systems: RO: HEMO: Portable (VA-26-00041965)
The VA intends to sole‑source a firm‑fixed‑price contract for Evoqua’s EON® Portable Reverse Osmosis water purification system and…
- Regional Water Supply Resiliency Project ("Secure the Source Project") - NDA Requirement
The Washington Suburban Sanitary Commission (WSSC) is seeking proposals from qualified companies to provide services for the Regional Water…
- RFP NO. SU-2703-SS WATER TREATMENT SERVICE
The University is requesting proposals from qualified Contractors outlining Maintenance Services to current Water Treatment systems on…
- Bottle Branch Road Sewer Lining
The Town of Berlin seeks qualified contractors to rehabilitate nine existing sanitary sewer manholes and install approximately 1,975 linear…
- WESTMINSTER, ABBEY, AND UPSHUR STORMWATER MANAGEMENT UPGRADES
The Town of Berlin is seeking qualified contractors to perform comprehensive stormwater management upgrades across the Westminster, Abbey…
- Downtown Sewer Lining
The City of Salisbury is seeking a contractor to perform UV‑cured in‑place pipe (CIPP) lining of approximately 5,000 ft of existing downtown…
- Testing, Repairs and Replacement of Water Meters
The City of Baltimore is seeking vendors to perform testing, repairs, and replacement of its water meters. Bidders must be active users of…
- Wastewater Hauling, Repairs & Related Services
The Anne Arundel County Public Schools is soliciting firms to provide comprehensive wastewater, sanitary, and storm‑water services on an…
- Municipal Water/Wastewater OEM Replacement Parts: Pumps, Mixers, Valves, Gates, Blowers, Dryers, and Other Parts and Components
Howard County, Maryland is seeking a qualified contractor to supply OEM replacement parts for its municipal water and wastewater…
- Water Treatment Services for HVAC and Biosolids for Eleven Locations
The Washington Suburban Sanitary Commission (WSSC) is seeking a qualified contractor to provide comprehensive water treatment services for…
- Water Treatment Services for HVAC and Biosolids for Eleven Locations
The Washington Suburban Sanitary Commission is seeking water treatment services for its HVAC and biosolids systems at eleven locations. The…
- F103--VAMHCS CHEMICAL SUPPLY & SUPPORT CONTRACT RFQ PPVAMC, BAVAMC, LRVAMC (VA-26-00051094)
The Department of Veterans Affairs is seeking a contractor to provide chemical supply and support services for the Perry Point, Baltimore…
- ARSENIC MEDIA REPLACEMENT
The Town of Oxford, Maryland is soliciting proposals for the supply of new Bayoxide E33 GFO media or compatible alternatives, as well as…
- Sewer Flow Monitoring, Telemetered
Howard County is seeking a qualified contractor to design, supply, install, calibrate, operate, and maintain a telemetered…
- Testing, Repairs and Replacement of Water Meters
The City of Baltimore is seeking bids for the testing, repairs, and replacement of water meters. The solicitation is open, and the due date…
- Little Patuxent Water Reclamation Plant Grit Facility Replacement
Howard County is seeking a qualified construction firm to replace the existing grit‑removal facility at the Little Patuxent Water…
- Supply & Delivery of Bulk Chemicals: Water and Wastewater Treatment Facilities
The City of Baltimore is seeking bids for the supply and delivery of bulk chemicals for water and wastewater treatment facilities. The…
- Request For Proposals – Rate Study for Water & Wastewater Service Areas
- RFQ-SMCPS‐2027-M-WSS to perform Non-Transient (NTNC) School Site Drinking Water System Monitoring and Reporting Services
The Board of Education of St. Mary’s County seeks a qualified consultant to provide non‑transient (NTNC) school‑site drinking water system…
- RFQ-SMCPS‐2027-M-WSS to perform Non-Transient (NTNC) School Site Drinking Water System Monitoring and Reporting Services
The Board of Education of St. Mary’s County, on behalf of St. Mary’s County Public Schools, seeks qualified consultants to provide…
- Request For Proposals – Rate Study for Water & Wastewater Service Areas
The Worcester County Government is seeking proposals from qualified vendors for a rate study for water and wastewater service areas. The…
- Unidirectional Flushing-Pre-Solicitation
The Army Contracting Command – Aberdeen Proving Ground (ACC APG) is seeking contractor support for the Unidirectional Hydrant Flushing and…
- Stormwater Quality Inlet Cleaning Services
Howard County is seeking a qualified contractor to provide on‑call stormwater quality inlet cleaning services throughout the county. The…
- IFB 2026-30 Little Patuxent Water Reclamation Plant Grit Facility Replacement
The Howard County Government is seeking bids for the replacement of the grit facility at the Little Patuxent Water Reclamation Plant. The…
- Furnish and Delivery of MICRO C-2000 at Maryland Correctional Institution - SBR Procurement
The Maryland Environmental Service is soliciting competitive sealed bids from qualified contractors to furnish and deliver approximately…
- Small Meter Replacement for Water Meters
This solicitation seeks contractors to replace small water meters throughout Baltimore City. The work likely involves removing existing…
- Request for Proposals - Water Supply Capacity Management Plans
- ITB 26-034 Smallwood and Westwood Well Chlorinator Replacement
The Charles County Government is seeking bids from qualified contractors to provide construction services for the replacement of existing…
- F103--VAMHCS WATER CHEMICAL SUPPLY & SUPPORT CONTRACT 5 Year (Base plus 4 Option Years) PPVAMC, BAVAMC, LRVAMC
The Department of Veterans Affairs is seeking responses from entities interested in providing water chemical supply and support services for…
- Irrigation Winterization
This solicitation seeks a qualified vendor to provide goods and services for the winterization of irrigation systems across Baltimore City…
- Small Meter Replacement for Water Meters
The City of Baltimore is seeking a vendor to replace small water meters. The solicitation documents and information are available at the…
- Furnish and Delivery of Methanol at Cambridge Wastewater Treatment Plant - SBR Procurement
The Maryland Environmental Service is soliciting competitive sealed bids from qualified contractors to provide methanol to the Cambridge…
- Cross Connection Control Surveys & Management
The St. Mary’s County Metropolitan Commission is soliciting bids for a Cross-Connection Compliance Program, which includes surveys, site…
- Request For Proposal – Edgewater Acres Pump Station Replacement Design
The Worcester County Government is seeking proposals for the Edgewater Acres Pump Station Replacement Design. The project involves designing…
- Bid Solicitation – Overhead Pipe Corrosion Protection at the Ocean Pines Wastewater Treatment Plant
The Worcester County Government is seeking proposals from qualified vendors for overhead pipe corrosion protection at the Ocean Pines…
- Polymer
The Saint Mary's County Metropolitan Commission is seeking bids for the provision of polymer and necessary service equipment and materials…
- Furnish and Delivery of Sodium Bisulfite Solution 38% at Dundalk Marine Terminal - SBR Procurement
The Maryland Environmental Service is soliciting competitive sealed bids from qualified contractors to provide Sodium Bisulfite Solution…
- Dorsey Run WWTP Furnish & Delivery of Methanol
The Maryland Environmental Service is soliciting competitive sealed bids from qualified Contractors to provide the furnishing and delivering…
- MCI Delpac 2000 - SBR Procurement
The Maryland Environmental Service is soliciting competitive sealed bids from qualified contractors to provide the furnishing and delivering…
- Statewide Aluminum Sulfate (Liquid) - SBR Procurement
The Maryland Environmental Service is soliciting competitive sealed bids from qualified contractors to provide Aluminum Sulfate (liquid) in…
- Underground Service Brass Fittings
The Washington Suburban Sanitary Commission is seeking bids for Underground Service Brass Fittings. These fittings are used in the…
- flash_on call_merge CAP26000164 | W801401 - Crofton Meadow II WTP Expansion - Phase II
Expansion of the existing 15-MGD water treatment plant (with 20-mgd headworks) on Riedel Road, Crofton Meadows, Maryland to 20-MGD nominal…
- Instrumentation and Flow Meter Calibration Services
The Washington Suburban Sanitary Commission (WSSC) is seeking a qualified contractor to provide instrumentation and flow meter calibration…
Recently awarded
RFP #2202 - WATER TREATMENT SERVICES AT HOUSING OPPORTUNITIES COMMISSION Department of Maintenance - Sewage and Grease Pumping HVAC Water Treatment Services Department of Maintenance - Arsenic Removal System Department of Maintenance - Sewage and Grease Pumping Department of Maintenance - HVAC Water Treatment Services