Networks, treatment and the health obligations underneath the engineering
Sewerage work covers collection networks, pumping, treatment and the disposal or reuse of what comes out, and the discharge consent governs all of it. A treatment works is designed to meet numerical limits on the quality of the effluent it releases, measured and enforced by a regulator, so process guarantees are contractual and performance testing over a defined period is a condition of acceptance. A plant that is built to the drawing and cannot hold consent has not been delivered.
Network work is street work, with the constraints that implies: permits from the highway authority, traffic management, reinstatement to a specified standard with a guarantee period, and out-of-hours working where the road cannot be closed in the day. Rehabilitation techniques that avoid excavation -- lining, patching, pipe bursting -- are frequently specified because they shorten road occupation, and they require different plant and different accreditation from open-cut laying. Working in confined spaces and in sewers brings its own authorisation, gas monitoring and rescue provision.
Sanitation programmes in settings without a piped network are a distinct market with distinct evaluation. Latrine and septic construction, faecal sludge collection and treatment, and public or school facilities are judged as much on operation, maintenance arrangements and community acceptance as on construction quality, because facilities built without an emptying service and a maintenance owner fall out of use quickly. Safeguarding of workers handling waste, and separate accessible facilities for women and for people with disabilities, are specified requirements rather than design preferences.
This section describes how this category is bought generally, across the public buyers that publish it. The figures elsewhere on this page are measured for this market alone.
Who buys sanitation sewerage in Netherlands?
GlobalGov holds 35 sanitation sewerage records from 25 distinct buying organisations in Netherlands. The most frequent publishers are Hoogheemraadschap Hollands Noorderkwartier (3 records); Gemeente Culemborg (2 records); Gemeente Rotterdam (2 records); Gemeente Zaanstad (2 records); Waterschap Hollandse Delta (2 records); Wetterskip Fryslan (2 records). Between them the 6 largest account for 37% of everything published, so buying here is spread across many separate authorities.
| Buying organisation | Records | Share |
|---|---|---|
| Hoogheemraadschap Hollands Noorderkwartier | 3 | 8.6% |
| Gemeente Culemborg | 2 | 5.7% |
| Gemeente Rotterdam | 2 | 5.7% |
| Gemeente Zaanstad | 2 | 5.7% |
| Waterschap Hollandse Delta | 2 | 5.7% |
| Wetterskip Fryslan | 2 | 5.7% |
What are sanitation sewerage contracts worth in Netherlands?
17 of the 35 records publish a contract value. The median is $1.7M and the largest single published value is $10.0M. By size, 6 between $100k and $1M, 10 between $1M and $10M, 1 above $10M. The remaining 18 publish no value at all, so every figure here describes the priced subset only, and values are as stated by the buyer rather than as finally awarded.
| Contract size | Records | Share of priced |
|---|---|---|
| under $100k | 0 | 0.0% |
| between $100k and $1M | 6 | 35% |
| between $1M and $10M | 10 | 59% |
| above $10M | 1 | 5.9% |
How long do bidders get to respond to sanitation sewerage tenders in Netherlands?
Across the 20 Netherlands sanitation sewerage notices that publish both a publication date and a closing date, the median response window is 42 days. A quarter of them allowed 28 days or fewer and a quarter stayed open for more than 50. Short turnarounds are the exception rather than the rule here: only 3 (15%) closed within a fortnight of being published.
How often are sanitation sewerage tenders published in Netherlands?
Netherlands published 20 notices in this category in the last twelve months. Over the last three years there were 25, spread across 18 separate months of activity since 22 October 2021. February is historically the busiest month. No new notice has been published in this category since 26 May 2026, 128 days ago, so treat the figures above as a record of the market rather than as this week's pipeline.
How does Netherlands compare with other sanitation sewerage markets?
Among the 18 countries where GlobalGov holds a comparable sanitation sewerage market, Netherlands ranks 15th by number of records. The largest is France (505 records against 35 here). Within Netherlands itself, sanitation sewerage is the 60th largest of the 63 procurement categories tracked here.
Where do the Netherlands sanitation sewerage records on this page come from?
These 35 records are collected from 1 official source: TED (35). GlobalGov is an independent aggregator and is not affiliated with any of them; each record links back to the notice on its issuing portal. The set is rebuilt nightly, and the counts on this page were taken on 2026-10-01.
Most recent Sanitation Sewerage tenders in Netherlands
None of these are open for bids now — they are the most recent records GlobalGov holds for this market, kept here so the shape of a typical sanitation sewerage notice in Netherlands is visible. Set an alert to be told when the next one opens.
Netherlands – Purification plant repair and maintenance work – Renovation/Maintenance Wastewater Treatment Plant Tilburg LTAP VBTs, NBTs and BBTs
Netherlands – Sewage tankers – Delivery of Combi vacuum vehicle
Netherlands – Sewerage management services – Europese openbare aanbesteding reiniging en inspectie vrij vervalriolering 2026-2029
Netherlands – Sewage services – Onderhoud hoofdgemalen en drukrioolgemalen - Gemeente Eersel
Other procurement categories in Netherlands
Software DevelopmentManagement ConsultingWaste ManagementAgricultural EquipmentVehicles and FleetVehicle MaintenanceSecurity ServicesCivil ConstructionIT ConsultingIct EquipmentFinancial AdvisoryArchitecture and EngineeringOffice FurnitureMedical EquipmentAudit and AccountingHospital ConstructionFacilities and CleaningBuilding MaterialsPharmaceuticalsTraining and Capacity BuildingRoads and Highways InfrastructureTelecommunicationsLaboratory EquipmentUniforms ClothingPrinting PublishingBuilding ConstructionGround TransportStaffing AugmentationFuel SupplyScientific ResearchFood Aid and NutritionFreight and LogisticsCommunity DevelopmentMail CourierMaintenance & RepairCatering ServicesRenovation RehabilitationCommunications PrOil Gas UpstreamEvent ManagementSchools and UniversitiesMilitary LogisticsWater Supply ProjectsWeapons SystemsRoad & InfrastructureElectrical InstallationDatabase ManagementResearch & DevelopmentCybersecuritySite PreparationHelpdesk SupportFinancial ServicesEnergyConsultingResearch and StudiesTransportationTraining & EducationEnvironmental ServicesHealthcare ServicesMonitoring EvaluationNetwork InfrastructureWarehousing
Sanitation Sewerage procurement in other markets
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