Water & Sewer Bids in Maryland

50+ open Water & Sewer bids from cities, counties, schools, and state agencies across Maryland. Get email alerts when new opportunities are posted.

Get Water & Sewer bid alerts

7-day free trial · $0 today · Cancel anytime

Open Water & Sewer Bids in Maryland

MDStateOpenJul 29, 2026
Landfill Flare Station Upgrade at the Brown Station Road Sanitary Landfill - MBE 20%
Maryland Environmental Service · #1-27-4-02-5
Water & Sewer
MDStateOpenJul 31, 2026
Stormwater Remediation & Landscaping Services for the Seat Pleasant Fit & Fun Park
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 3, 2026
Water Treatment Services for HVAC and Biosolids Systems for Eleven Facilities
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenAug 4, 2026
Main Street - Grasonville Water Main Installation
Queen Anne's County · #BPM057280
Water & Sewer
MDStateOpenAug 5, 2026
Municipal Water/Wastewater OEM Replacement Parts: Pumps, Mixers, Valves, Gates, Blowers, Dryers, and Other Parts and Components
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenAug 5, 2026
Municipal Water/Wastewater OEM Replacement Parts: Pumps, Mixers, Valves, Gates, Blowers, Dryers, and Other Parts and Components
Howard County, Office of Procurement
Water & Sewer
MDStateOpenAug 5, 2026
Fire Alarm, Sprinkler and Fire Hydrant Testing, Inspection, Repair and Replacement
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 5, 2026
Fire Alarm, Sprinkler, an Fire Hydrant Testing, Inspection, Repair and Replacement
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenAug 5, 2026
04 Municipal Water/Wastewater Oem Replacement Parts: Pumps, Mixers, Valves, Gates, Blowers, Dryers, And Other Parts And Components
Howard County · #2027-04
Water & Sewer
MDCityOpenAug 5, 2026
Fire Alarm, Sprinkler and Fire Hydrant Testing, Inspection, Repair and Replacement
Gaithersburg · #-2026-039
Water & Sewer
MDStateOpenAug 5, 2026
CCTV Inspection and Cleaning of Sanitary Sewers
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenAug 5, 2026
Reference #: 27-050. Name: Wastewater Hauling Services
Harford County
Water & Sewer
MDStateOpenAug 6, 2026
Flow Monitoring Services for the Sanitary Sewer System
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 6, 2026
Dorsey Run Wastewater Treatment Plant Minor Upgrades - MBE 20%
Maryland Environmental Service · #1-26-2-63-5
Water & Sewer
MDStateOpenAug 7, 2026
Wastewater Hauling, Repairs & Related Services
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 10, 2026
Water Main Upgrade/Extension at Janes Island State Park - MBE 13%
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 10, 2026
Water Main Upgrade/Extension at Janes Island State Park - MBE 13%
Maryland Environmental Service · #1-26-2-13-5R
Water & Sewer
MDStateOpenAug 13, 2026
Wilson Point Road Stormwater Management Improvements at Martin State Airport
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 14, 2026
Charlotte Hall Veterans Home Water Treatment Plant - MBE 20%
Maryland Environmental Service · #1-26-2-52-5
Water & Sewer
MDCityOpenAug 18, 2026
Hagerstown Wastewater Treatment Plant Improvements - Phase 1
Hagerstown · #B1881.26
Water & Sewer
MDStateOpenAug 19, 2026
Testing, Repairs and Replacement of Water Meters
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 25, 2026
Downtown Sewer Lining
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 25, 2026
On-Call Water & Wastewater Engineering Services
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 26, 2026
Generator Replacement At Four (4) Wastewater Pumping Stations
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 26, 2026
Westminster, Abbey, And Upshur Stormwater Management Upgrades
BidNet Direct - Maryland
Water & Sewer
MDStateOpenAug 26, 2026
Wastewater Treatment Facility Operations
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenSep 1, 2026
Sudlersville Wastewater Treatment Plant ENR Improvement Project
Queen Anne's County · #BPM058134
Water & Sewer
MDStateOpenSep 3, 2026
Professional Engineering Services – Preliminary Engineering Report – River Run Wastewater Treatment Facility
BidNet Direct - Maryland
Water & Sewer
MDStateOpenSep 3, 2026
Professional Engineering Services Preliminary Engineering Report River Run Wastewater Treatment Facility
BidNet Direct - Maryland
Water & Sewer
MDflood_controlOpenSep 3, 2026
Request For Proposals – Professional Engineering Services – Preliminary Engineering Report – River Run Wastewater Treatment Facility
NINEPIN BRANCH PUBLIC DRAINAGE ASSOCIATION · #27-WWW-01
Water & Sewer
MDStateOpenSep 3, 2026
05 West Street Pump Station Relocation
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenSep 4, 2026
Comprehensive Update of the 2014 Critical Area Ordinance
Somerset County
Water & Sewer
MDCountyOpenSep 4, 2026
Solid Waste & Drainage Division
Somerset County
Water & Sewer
MDCountyOpenSep 4, 2026
Comprehensive Rezoning & Zoning Ordinance Update
Somerset County
Water & Sewer
MDStateOpenSep 9, 2026
Guilford Stormwater Pond Repair and Water and Sewer Plans
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenSep 9, 2026
Guilford Stormwater Pond Repair and Water and Sewer Plans
Howard County, Office of Procurement
Water & Sewer
MDCountyOpenSep 9, 2026
05 Guilford Stormwater Pond Repair And Water And Sewer Plans
Howard County · #2027-05
Water & Sewer
MDStateOpenSep 10, 2026
Cleaning of Flow Equalization Tank No. 1 at Ocean Pines Wastewater Treatment Plant
BidNet Direct - Maryland
Water & Sewer
MDCountyOpenSep 10, 2026
Invitation to Bid – Cleaning of Flow Equalization Tank No. 1 (FET 1) at Ocean Pines Wastewater Treatment Plant (WWTP)
Worcester County
Water & Sewer
MDflood_controlOpenSep 10, 2026
Invitation to Bid – Cleaning of Flow Equalization Tank No. 1 (FET 1) at Ocean Pines Wastewater Treatment Plant (WWTP)
NINEPIN BRANCH PUBLIC DRAINAGE ASSOCIATION
Water & Sewer
MDStateOpenSep 18, 2026
Stormwater Management (Swm) Facility Maintenance Program Support
BidNet Direct - Maryland
Water & Sewer
MDCityOpen--
Generator Replacement at Four Wastewater Pumping Stations
Bowie
Water & Sewer
MDother_specialOpen--
Trunk Sewer Inspection Services
Washington Suburban Sanitary Commission · #279136
Water & Sewer
MDother_specialOpen--
AC150 (Capital Asset)/Movable Asset Implementation in Oracle Fixed Asset in e-Business Suite (EBS)
Washington Suburban Sanitary Commission · #283289
Water & Sewer
MDCountyOpen--
On-Call Water & Wastewater Engineering Services
Charles County · #274905
Water & Sewer
MDother_specialOpen--
Anacostia II WWPS Electrical Updates
Washington Suburban Sanitary Commission · #268309
Water & Sewer
MDother_specialOpen--
Large Valve Vault Replacement
Washington Suburban Sanitary Commission · #269166
Water & Sewer
MDother_specialOpen--
Online Content Library for Employees
Washington Suburban Sanitary Commission · #273681
Water & Sewer
MDother_specialOpen--
Water Treatment Services for HVAC and Biosolids for Eleven Locations
Washington Suburban Sanitary Commission · #266970
Water & Sewer
MDUnivOpen--
BC-21455-M Campus Water Treatment Services RFP
University of Maryland, Baltimore County (UMBC)
Water & Sewer

Maryland Agencies with Open Water & Sewer Bids

BidNet Direct - Maryland22 openWorcester County6 openWashington Suburban Sanitary Commission6 openMaryland Environmental Service4 openFrederick County3 openSomerset County3 openHarford County Public Schools3 openCharles County2 open

Other Bid Categories in Maryland

ConstructionRoads & PavingIT & TechnologyProfessional ServicesEngineeringLegal & FinancialVehicles & EquipmentFacilities & MaintenanceLandscaping & GroundsSupplies & MaterialsEnvironmentalPublic SafetyParks & RecreationTransportationFood ServicesMedical & HealthEducationUtilities

Never miss a Water & Sewer bid in Maryland

We check thousands of Maryland sources daily. Get matching bids delivered to your inbox.

Start your free trial