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…
Closed bids
Closed Maryland Water and Wastewater Bids & RFPs
- Closed in the last 30 days
- 4
- Closed this year
- 46
- 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 August 2026 (8); the agencies behind the most of the 50 most recent were Maryland Environmental Service - Procurement Division, Howard County, Office of Procurement and Washington Suburban Sanitary Commission, MD.
Recently closed
- 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…
- WATER TREATMENT SERVICE
Salisbury University seeks qualified contractors to provide comprehensive water‑treatment services across its campus facilities. The scope…
- 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…
Show 40 more
- 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, on behalf of St. Mary’s County Public Schools, seeks qualified consultants to provide…
- 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…
- 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…
- SEVERN WATER SODIUM HYDROXIDE 50% - SBR Procurement
- SEVERN WATER SODIUM HYDROXIDE 50% - SBR Procurement
The Maryland Environmental Service is soliciting competitive sealed bids from qualified Contractors to furnish and deliver approximately…
- S.C. 995M-McComas Street Pumping Station Upgrades
The City of Baltimore is seeking bids for the McComas Street Pumping Station Upgrades project. The project involves the replacement of…
- SC 982RR-Eastern Avenue Pumping Station Rehabilitation
The City of Baltimore is seeking bids for the rehabilitation of the Eastern Avenue Pumping Station. The project involves demolition and…
- 2 pond fountain pumps (informal)
The City of Salisbury is seeking bids for the provision and installation of a complete pond fountain system designed for continuous outdoor…
- Refurbishment/Rebuild of Traveling Water Screens
The Washington Suburban Sanitary Commission (WSSC) is seeking a contractor to refurbish and rebuild four traveling water screens at the…
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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 Department of Maintenance - Water Chiller & Cooling Tower Replacement at Chopticon High School Boonsboro High Irrigation Well Connections Pleasant Valley Elementary School Waterline Replacement Bottle Filler and Water Fountains