Transmission Water Main Inspection Project
The City of Keene seeks qualified vendors to conduct a comprehensive inspection of its 16‑inch ductile‑iron transmission water main, which…
Closed bids
Closed New Hampshire Water and Wastewater Bids & RFPs
- Closed in the last 30 days
- 1
- Closed this year
- 14
- Closed bids on record
- 50+
Bid Banana holds 50+ closed New Hampshire water and wastewater solicitations. These are the 50 that closed most recently. In the last 12 months, the most New Hampshire water and wastewater bids closed in June 2026 (5); the agencies behind the most of the 50 most recent were City of Rochester, Town of Exeter and City of Manchester.
Recently closed
- Water Meters Inventory
The City of Portsmouth (NH) is issuing an invitation for vendors to supply a wide range of water meters and related fittings for its…
- BID 27-03 PORTLAND STREET GRAVITY SEWER UPGRADES
The City of Rochester, NH is seeking a qualified contractor to replace the existing gravity sewer main on Portland Street with new 8‑in. PVC…
- Bid 26-13 Sewer System Master PlanFY2026 I/I Construction Phase
The City of Rochester, NH is seeking a contractor to execute the construction phase of its Sewer System Master Plan for FY 2026. The work…
- Water Works: Medium Voltage Transformer
Manchester Water Works is seeking a single liquid‑filled, medium‑voltage transformer (500 kVA, 4160 V primary, 480 V secondary) for outdoor…
- Water Works: Generators & Switches
Manchester Water Works is seeking a qualified vendor to supply, deliver, install, test, and commission emergency‑power equipment for its…
Show 44 more
- BID 26-15 CHEMICALS FOR WASTEWATER & WATER TREATMENT FACILITIES
The City of Rochester, NH is seeking a qualified vendor to supply a comprehensive list of bulk chemicals used in its water‑treatment and…
- BID 26-15 CHEMICALS FOR WASTEWATER & WATER TREATMENT FACILITIES
- EPD: Secondary Clarifier Repairs (Prequalified Contractors Only)
The City of Manchester is seeking a qualified contractor to repair three 145‑ft‑diameter secondary clarifiers at its wastewater‑treatment…
- Supply and Install of Water Lines and Pipes Upper Ravine
The State of New Hampshire (DNCR) seeks a qualified contractor to supply and install approximately 1,700 ft of 6‑inch water pipe, replace…
- Operation of UNH Water Treatment Plant
The University System of New Hampshire seeks a qualified contractor to staff, manage, and operate its Water Treatment Plant (WTP) located at…
- Backflow Preventer Testing and Services for UNH Durham
The University System of New Hampshire (USNH) is seeking qualified firms to perform inspection, testing, repair, replacement, and…
- DPW: Bid - Pipe
The City of Manchester’s Department of Public Works is seeking vendors to supply new PVC gravity‑sewer pipe and corrugated polyethylene…
- Town of Exeter Groundwater Supply Improvements
The Town of Exeter is seeking sealed bids for the construction of groundwater supply improvements, a municipal water‑infrastructure project…
- CONTRACT: WATER AND WASTEWATER TREATMENT CHEMICALS, LIQUID POLYMER
The State of New Hampshire is seeking bids for the supply and delivery of liquid polymer for water and wastewater treatment. The successful…
- Bid 25-17 Sewer System Master PLan Year 5 I/I Construction Phase
The City of Rochester is soliciting sealed bids for the Sewer System Master Plan Year 5 I/I Construction Phase, a municipal sewer…
- BID 25-24 INDUSTRIAL WAY WATER MAIN REPLACEMENT
The City of Rochester, NH is seeking a qualified contractor to replace approximately 1,030 linear feet of aging 12‑inch ductile‑iron water…
- Bid 25-25 Chemicals for Wastewater & Water Treatment Facilities
The City of Rochester, NH is seeking qualified suppliers to provide a broad portfolio of bulk chemicals required for operation and…
- Bid 25-22 Maintenance Stormwater Treatment Practices
The City of Rochester, NH is seeking qualified contractors to perform ongoing maintenance and rehabilitation of approximately 45 city‑owned…
- Bid 25-04 Ledgeview Sewer Pump Station
The City of Rochester, NH is soliciting competitive bids for the demolition, construction, and commissioning of a new Ledgeview Sewer Pump…
- Bid 25-02 Salmon Falls Water Booster Pump Station Replacement
The City of Rochester is seeking a contractor to replace the Salmon Falls Water Booster Pump Station. The scope includes demolition of…
- 24-09 Lincoln Heights Neighborhood Pipe Lining Project-2024
The Town of Hooksett is seeking a qualified contractor to perform cured‑in‑place pipe (CIP/CMP) lining on nine existing storm‑water culverts…
- Bid 24-43 Process Instrumentation & Control Services
The City of Rochester, NH is seeking a qualified contractor to provide comprehensive process instrumentation and control services for its…
- B24-110 Trolley Car Lane Sewer Booster Pump Station Replacement 480 V 600 HP VFD
The Town of Derry seeks a sealed‑bid vendor to supply a 600 HP, 480 V variable‑frequency‑drive (VFD) and provide on‑site support for…
- Bid 24-36 Chemicals for Wastewater & Water Treatment Facilities
The City of Rochester, NH seeks suppliers to provide a comprehensive portfolio of chemicals required for the operation of its…
- Bid 24-39 Ledgeview Sewer Pump Station
The City of Rochester is seeking a contractor to upgrade the Ledgeview Drive sewer pump station. The work includes demolition of the…
- Bid 24-28 WWTF Secondary Clarifier Mechanical Upgrades
The City of Rochester, NH is seeking a qualified general contractor to completely upgrade the mechanical systems of three secondary…
- Webster Avenue Pump Station and Force Main Upgrades
This municipal project in Exeter, NH, calls for the complete replacement and upgrade of the Webster Avenue pump station and associated force…
- Septage Receiving Upgrade Project
The Town of Exeter, NH is procuring a Septage Pre‑Treatment System to upgrade its septage receiving facility. The scope includes supplying…
- Bid 24-14 RFQ UV Disninfeciton System Replacement
The City of Rochester, NH is seeking pre‑qualified contractors to design‑build and install a new in‑channel UV disinfection system for its…
- Bid 24-01 Chemicals for Wastewater & Water Treatment Facilities
The City of Rochester, NH is seeking suppliers to provide a full roster of chemicals required for its water‑treatment and…
- RFQ 23-31 Pre Qualifications for Secondary Clarifier Mechanism Replacements
This pre‑qualification RFQ seeks firms capable of demolishing and replacing the mechanical components of three secondary clarifiers at…
- Chemical Purchase Specifications
The Town of Exeter (NH) issued an RFP inviting suppliers to submit sealed proposals for the delivery of four water‑treatment…
- Bid 23-01 Tara Estates Sewer Pump Station Upgrade
The City of Rochester, NH is seeking a qualified general contractor to upgrade the Tara Estates sewer pump station. The work includes…
- Bid 23-04 Water & Sewer Inventory
The City of Rochester, NH is soliciting bids for a comprehensive inventory of water and sewer supplies, including pipes, fittings, meters…
- Squamscott River Siphon Upgrades Project
The Town of Exeter is seeking qualified contractors to design and construct a new three‑barrel sewer siphon crossing the Squamscott River…
- Bid 22-46 Field instrumentation Maintenance and Calibration Services
The City of Rochester, NH is seeking a qualified contractor to provide comprehensive maintenance, calibration, and repair services for its…
- Bid 22-45 Chemicals
The City of Rochester, NH is seeking suppliers to provide a broad range of bulk chemicals required for its water‑treatment plant (WTP) and…
- Bid 22-41 Pre-Qualifications for Tara Estates Sewer Pump Station Upgrade
The City of Rochester, NH is seeking pre‑qualified contractors to design and construct an upgrade of the Tara Estates Sewer Pump Station…
- B22-004 Trolley Car Lane Booster Pump Station Replacement 500 HP Variable Frequency Drive
The Town of Derry is seeking a qualified contractor to supply, install, program, and commission a new 500 HP, 480 V variable frequency drive…
- B21-172 Wastewater Treatment Plant - Part I HVAC Renovations & Part II Boiler
The Town of Derry is seeking bids for two separate contracts to modernize the HVAC systems at its wastewater treatment plant. Part I covers…
- Bid 22-33 Water & Sewer Inventory
The City of Rochester Water and Sewer Department issued a bid (Bid 22‑33) to procure a comprehensive inventory of water‑ and sewer‑related…
- Bid 22-15 Rte 202A WATER MAIN EXTENSION AND STORAGE TANK
The city of Rochester, NH is seeking a design‑build contractor to install a 256‑k‑gallon composite elevated water storage tank and extend…
- RFQ 21-32 Route 11 Pump Station
This solicitation seeks qualified firms to perform an upgrade of the municipal pump station located on Route 11 in Rochester, NH. Vendors…
- Bid 21-30 Portable Six Inch Diesel Pump
The City of Rochester, NH issued a bid solicitation for a portable six‑inch diesel pump (Bid 21‑30). The solicitation closed on March 4…
- Bid 21-18 Water Sewer Inventory
The City of Rochester, NH issued a bid (Bid #21‑18) to procure a comprehensive inventory of water‑ and sewer‑related hardware. The scope…
- Contract No. 4 WWTF Lagoon No. 1 Sludge Removal
The Town of Exeter is seeking a contractor to pump, dewater, and handle approximately 2,000 dry tons of sludge from Lagoon 1 of its…
- Bid 20-14 River Street Pump Station Upgrade
The City of Rochester is seeking a contractor to fully replace the River Street Pump Station. The scope includes demolition of the existing…
- Bid 20-23 Water & Sewer Inventory
The City of Rochester, NH issued an Invitation for Bid (Bid 20‑23) to acquire a comprehensive inventory of water‑ and sewer‑system…
- Bid 20-11 Dual Engine Vacuum Truck
The City of Rochester, NH is seeking a vendor to supply a new dual‑engine vacuum truck (2020 Freightliner 114SD 6×4 conventional chassis…
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Recently awarded
Contract No.2 Force Main Upgrade Stormwater and Sanitary Sewer Asset Management Program RFQ Washington Street Water Main Replacement Prequalification of General Contractors for Wastewater Treatment Factility Upgrade Contract 1 Lincoln Winter Street Utility Improvement Project Construction of the Lary Lane Groundwater Treatment Plant