Rising main burst detection
Detect major rising main bursts from the MCC.
No sensors on the pipe. No excavation. A burst big enough to threaten the environment shifts every pump on the main at once; SAM4 reads that shift from the motor control cabinet and alerts your team before anyone outside your organisation knows. Quick to install inside the MCC.
Pressurised sewage does not wait to be found.
A rising main (in the US, a force main) carries raw sewage under pressure, often for kilometres, through ground nobody inspects. When it bursts, the station keeps pumping. Sewage discharges into fields, watercourses, or property until someone notices.
Bursts rank among the highest-consequence failures in wastewater networks, and among the few with no dedicated monitoring. Blockages back up and trip alarms. Bursts flow silently. The asset manager finds out from a regulator, a farmer, or a resident.
In one UK enforcement case, a rising main at an unmanned station discharged an estimated 20 million litres of raw sewage into a watercourse over four days before discovery. The regulator's finding was blunt: there was no monitoring of the rising main.
The main was never anyone's job to watch.
Station telemetry watches the wet well, runs the pumps, and raises the alarms a station needs. The buried main was never part of that job. Instrumenting kilometres of pressurised pipe means hardware along the route, plus the fouling, comms, and maintenance that follow. Most utilities reserve it for their most critical mains. Everything else runs unwatched.
SAM4 closes that gap without adding anything to the pipe. The pumps already respond to everything on the pressurised section. SAM4 reads that response from the motor control cabinet, alongside your existing telemetry, SCADA, and alarm handling. Nothing is replaced.
A burst reaches the pump before it reaches anyone else.
A rising main is a closed hydraulic system. When it loses integrity, every machine connected to it knows. This is not a model claim. It is causality.
One station pressurises each main. Monitor its pumps and the pressurised section is in view. No excavation, no sensors on the pipe.
The signal arrives in seconds
A burst drops the system head. Pressure changes travel through the water column at hundreds of metres per second, over 1,000 m/s in rigid metal mains. Even across 5 km, the pumps feel it within seconds. SAM4 does not chase that transient. It reads what persists: the operating point shifts, flow rises, power rises, emptying time shortens, on the radial and mixed-flow centrifugal pumps that dominate sewage stations. The signal scales with the loss: the bigger the escape, the clearer the shift.
We sample the only machine wired into the main
The pump is the only powered asset connected to the pressurised section. SAM4 reads high-frequency electrical waveforms continuously from the motor control cabinet. Station telemetry, and analytics built on top of it, work from pump start/stop records and periodic point values. SAM4 measures the machine itself, and captures orders of magnitude more information about the main's hydraulic state.
Multiple pumps are independent witnesses
Pumps sharing a main share its hydraulics. A bearing fault shows in one pump. A burst shows in all of them at once, because the pipe is the common cause. That coordinated shift marks a system event, not a machine fault. SAM4 screens out single-pump faults and confirms system events through expert review before alerting. The alert names the likely cause, not just a change in behaviour.
The burst is rare. The install earns its keep daily.
A catastrophic burst is the failure you cannot afford to miss. It is also infrequent. The same cabinet install watches the assets that fail far more often, so the cover pays for itself between bursts, not only during one.
Blockages & ragging
The most frequent pumping-station failure. SAM4 reads a clogging or ragged impeller from the current signature, before it spills or burns out a pump.
Pump & impeller faults
Bearing wear, imbalance and electrical faults on the pumps pressurising the main, caught early, from the same waveform.
Energy & efficiency
Drifting efficiency and avoidable energy cost, surfaced continuously from the electrical signal.
Post-repair checks
Confirms a repaired pump returns to service clean, not degraded or obstructed by debris left behind.
What one burst costs
Hundreds of thousands of pounds
Repair, sewage loss and clean-up, before regulatory penalties, which now run higher under the recast Urban Wastewater Treatment Directive and the polluter-pays principle.
What the cover costs
A fraction of that, per station, per year
The everyday detections (blockages, pump faults, energy) clear that cost on their own. Burst cover comes on top, not instead.
One station. Two detections. Zero sensors on the asset.
A burst found, and the repair checked. At a major UK water utility's pumping station, SAM4 flagged a coordinated shift: power up, emptying time down, on every pump.
SAM4 raises the burst alarm
SAM4 raises the rising main burst alarm, triggered by the characteristic burst pattern in the data.
Burst confirmed, repair started
The utility confirms the burst and starts the pipework repair.
SAM4 flags a pump cycling long
The crew returns, backflushes it, and removes debris left by the pipework job.
Monitoring the pumps shows you the burst, and whether the repair worked.
The method is validated where failures are frequent.
Validated with Yorkshire Water and Southern Water.
The same electrical-signature method that catches blockages at this accuracy is what flags a rising-main burst: the burst signature is simply larger, and shared across every pump on the main.
What it detects. What it does not.
Every detection claim on this page is bounded by physics. We state those boundaries, because alerts you can trust start with limits you can verify. Here the boundary works in your favour: the signal scales with the discharge.
SAM4 detects
- Catastrophic escapes, and bursts large enough to affect the environment. Discharges at that scale change the hydraulic load on the pumps: reduced head, shorter emptying times, coordinated power shifts.
- Events on the pressurised section, where pumps and pipe form one system.
- Post-repair anomalies: pumps that return to service degraded or obstructed.
- Pump faults from the same install: clogging, ragging, and electrical faults on the assets pressurising the main.
SAM4 does not
- Detect slow seeps into the surrounding soil. Losses that small sit below the pumps' detection floor, and some pipe materials damp the signal further.
- Pinpoint the burst location. The signal identifies the system, not the metre mark.
- Monitor gravity sections. Once flow leaves the pressurised main, the pumps no longer see it.
Pump performance curves sharpen the diagnosis. SAM4 calculates flow and head from the electrical signature using each pump's performance curve, with no instruments on the main. For optimal performance, share your pump performance curves during onboarding: the physics gives the first signal, the curves narrow the diagnosis.
Three steps to a watched main.
Instrumenting a rising main is a capital scheme measured in months or years. Closing the same blind spot from the cabinet takes three steps, station by station.
Talk to an engineer
Install at the cabinet
Monitor from the first pump cycle
Without monitoring
The station keeps pumping until someone outside your organisation notices. The first call comes from a regulator, a farmer, or a resident.
With SAM4 on the pumps
A coordinated shift raises the incident. Expert review confirms it. Your team makes the first call, dispatches the crew, and verifies the repair afterwards.
Be the first to know about your next burst.
Coverage starts the day SAM4 powers on. No sensors on the asset, no engineering effort from your team. Bring your station list.