What information can an inspection drone collect from a water tank?

It can capture overlapping exterior photographs from varied heights, distances and angles. Those images can be processed into maps and visual models that help engineering teams examine the asset and review the surrounding project area.

Can drone imagery be shared outside the inspection team?

Yes. In this case, processed outputs were published through a mapping portal as web maps, applications and visual scenes. Stakeholders could use the aerial record to monitor work, justify costs and plan risk controls.

Does this case establish a standard inspection time for every tank?

No. It documents that even the authority's largest tanks could be captured in under 20 minutes, but site constraints, weather, airspace, image requirements and operating procedures can change mission duration. A site assessment should establish the expected workflow for each facility.

How should another water utility begin an inspection-drone program?

Start with an asset and site assessment, define the required inspection outputs, and test the workflow through a controlled pilot. The deployment plan should also cover operator training, data governance, maintenance, field service and financing before expansion.

a New York water authority operating 58 storage facilities

Water-Tank Drone Inspections Save $6,500 Each

Q: What made the drone workflow less expensive than the previous inspection method?

The authority replaced historically expensive and untimely data collection with automated aerial capture and photogrammetry. The published result was an approximate saving of $6,500 per tank inspection, although it does not provide a line-item cost breakdown.

See how a New York water authority used inspection drones, automated flights and photogrammetry to save about $6,500 per water-tank inspection.

$6,500
saved per tank inspection: <20 min
to capture the largest tanks: 100+
HD images per large tank

Based on a documented real-world deployment. Figures are from public reporting; the organization is not named.

A municipal water tower rising above the surrounding service area. — Photo: Patrick Cristobal

Costly inspections produced isolated information

A New York water authority operating 58 storage facilities relied on tank-inspection methods that were expensive and not timely. The organization also wanted engineers and other stakeholders to receive field information faster, with less friction between collection, review and planning.

Tank surfaces demand close visual coverage from many angles and elevations. Weather could make conventional inspection work difficult, while scattered imagery was harder to use for maintenance planning, cost justification and risk mitigation.

Reduce the cost and delay associated with tank data collection
Capture detailed exterior views from varied heights and angles
Give engineering teams an accessible record of each inspected asset
Make project imagery easier to share with stakeholders

Automated flights fed a shared mapping workflow

The authority paired an inspection drone with geographic mapping software and photogrammetry. Mobile flight applications enabled automated missions, flight programming, real-time monitoring and control of camera settings.

Captured photographs were processed into information products and published through the authority's mapping portal as web maps, applications and visual scenes. This gave staff a common project view instead of leaving inspection imagery confined to individual devices or disconnected files.

The published account does not describe a formal phased rollout, operator-training program or service arrangement. For another utility adopting this method, those elements should be defined during site assessment and a controlled robot pilot program before fleet expansion.

Match the aircraft, camera and mapping environment to the inspection objective
Program repeatable flight paths and required viewpoints around the tank
Train authorized personnel on flight preparation, image capture and data handling
Process the imagery through photogrammetry and publish it for engineering review
Set service, maintenance and support responsibilities before broader deployment

A wide view of water-treatment infrastructure representing the utility assets documented through aerial mapping. — Photo: 逐光创梦

Each inspection produced faster, richer asset visibility

The documented workflow saved approximately $6,500 per tank inspection by replacing historically expensive and untimely data collection. It also delivered a quick turnaround and viewpoints that supported planning, maintenance and review of an entire project area.

Even the authority's largest tanks could be captured in under 20 minutes. A single flight produced more than 100 high-definition images, with detailed coverage across the asset surface.

The resulting aerial record could be shared with stakeholders to monitor work, justify costs, plan for risk and shape mitigation measures. The authority also reported savings related to harmful algal bloom research, although the published case did not quantify them.

A repeatable utility workflow needs accountable support

An engineer reviewing site information as part of a coordinated inspection and maintenance workflow. — Photo: ThisIsEngineering

This example is independent evidence, not a Service Robot Co. client deployment. It shows that the aircraft is only one part of the operating system. Flight planning, photogrammetry, data access, training and field support determine if inspection imagery becomes useful engineering intelligence.

Service Robot Co. is a full-service, OEM-neutral commercial robot integrator for US businesses. We select equipment across manufacturers, then finance, deploy, integrate, train and service each unit through a nationwide US engineer network, giving utility teams a single accountable vendor across the lifecycle.

For buyers evaluating inspection robot rental, robot leasing for business or a robot as a service arrangement, that lifecycle coverage matters. Service Robot Co. can structure a robot pilot program and robot deployment and integration plan around the site, reporting workflow and financial requirements without claiming involvement in this documented project.

Frequently asked questions