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You turn on the kitchen faucet and get a thin stream, or nothing at all. Before anyone names a repair, two facts decide who you should call: which fixtures are affected, and where your water comes from.
Start with where the water comes from
In Stow, you can't answer that second question from the town name. The town's Lower Village water-planning information describes reliance on private wells and a study of possible public supply for that business district. It isn't an address-by-address service map. Check your water bill, closing documents or system-operator notices to establish whether your home uses a private well or a shared supply.
That answer helps establish the repair scope. For well pumps, pressure tanks, pressure switches and the well itself, contact a well-service contractor. On a community system, ask the operator to identify its service boundary and who maintains each part. Jeneral Plumbing works on accessible, customer-owned house plumbing: pipes, valves, fixtures and supported connected equipment. We confirm that the requested repair fits our scope before booking.
No water pressure at all, or a sudden drop?
Water that stops at every fixture is a different problem from a drop you can still shower through.
When nothing comes out anywhere
On a private well, water stopping everywhere at once can start on the source side: power to the pump, the pump itself, the pressure switch, the pressure tank or the well. It can also start in the house, with a closed main valve, a clogged whole-house filter or, during a hard freeze, a frozen pipe. Pump, tank and control problems go to a well contractor you hire directly, with an appropriately licensed electrician where wiring is involved. We don't repair, replace or price well equipment, but we can check the house side once the source has been ruled out or restored.
On a community system, call the operator first and ask about an outage, a main break, flushing or scheduled work. If it confirms normal service at your property's boundary, the next step is the customer-owned plumbing beyond that point.
When water still runs, but weakly
A drop tells you more, because the pattern points somewhere.
| What you notice | What it can point to | Where to start |
|---|---|---|
| One faucet or shower is weak | Aerator, cartridge, fixture stop, supply tube or a nearby branch | A plumber |
| Only hot water is weak | Water heater connections, a hot-side valve, a mixing device or hot piping | A plumber |
| Every fixture is weak | A leak, the main valve, a pressure-reducing valve where one exists, filter or treatment equipment, piping, well equipment or the supplier | Confirm your water source first |
| Strong at first, then fades | A restriction, or a supply that can't keep up with demand, including pump or tank behavior on a well | The source side first, then the house |
One weak fixture points away from a whole-house supply problem, and a confirmed fixture fault fits our fixture repair service. A hot-only drop doesn't mean the heater needs replacing. It can come down to a valve, connection or pipe that water heater diagnosis and repair can separate from the heater itself.
What to note, and what to leave alone
Before anyone arrives, write down when the change started, whether it's constant or comes and goes, and whether one fixture, one floor, hot, cold or the whole house is affected. Note any provider notice, recent plumbing work, freeze, filter change or visible leak. A photo of the water heater's data plate, a system notice or an existing gauge helps too.
If water is escaping and you know where the main shutoff is, close it only if you can reach it from a dry spot and it turns normally. Don't force it. Stay out of standing water near electrical equipment, and keep everyone away from a sagging ceiling.
Leave the rest to the right trade. Don't adjust a pressure-reducing valve, change a well pressure switch, add air to a pressure tank, keep resetting a pump, open a filter housing under pressure, operate a street-side valve or take off an electrical cover. None of those is a safe shortcut, and each can create a second problem on top of the first.
How we trace a house-side problem
When the evidence points inside the house, we look for the first place where expected flow changes. We compare representative fixtures, hot against cold, and one outlet against several running together. Static pressure, read with nothing running, and flowing pressure, read under demand, show whether pressure is there but falls away with use. A single number can't name a regulator, a leak, a restriction or a supplier problem, so we read it alongside the fixture pattern, the valve layout and the verified source.
A pressure-reducing valve is one suspect, but not every Stow home has one, and private-well systems control pressure with different equipment. When a customer-owned regulator is confirmed faulty and accessible, replacing it falls within our licensed plumbing scope. A well pressure switch, tank or pump does not; that goes to a well contractor.
Leaks are another. Water escaping from a pressurized line can reduce flow, though low pressure alone doesn't prove a leak or tell you where it is. Our pipe leak repair service covers confirmed, accessible supply leaks. Buried line locating, excavation and utility-owned work fall outside it.
Treatment equipment can also restrict flow when a filter is clogged, a device is undersized or service is overdue. We compare pressure before and after accessible equipment instead of bypassing it blind. Low pressure isn't a water-quality test, though. If you're also seeing discoloration, particles or recurring deposits, water testing for your address comes first, and any treatment follows the results. A softener or filter won't fix a leaking pipe, a failing pump or a supply problem.
If flow has always been poor, or got worse after an addition, the cause may be the layout rather than a new failure. That's a planning question for our plumbing system design service, not a repair call.
Our neighbor has normal pressure. Is the problem ours?
Not necessarily. A neighbor's experience adds context, especially if you share a community system, but connections, valves, elevation and piping differ from house to house. In Stow, the house next door may be on a private well while yours is on a community system, or the reverse.
Calling about a pressure problem in Stow
Jeneral Plumbing is based in Westford, MA and serves Stow as part of our Middlesex & Worcester County service area, subject to address, requested work and availability confirmation. During regular hours, a visit carries an $80 dispatch fee — the cost of the visit, waived when you hire us for the work. Repairs are priced at a flat rate, with the total and any fees shown for approval before work begins.
Emergency dispatch after hours, on Sundays or on holidays is separate: a $599 emergency callout fee. It is non-refundable and non-negotiable, collected prior to dispatch, covers the dispatch only and is never applied to repair work. Our Stow emergency plumbing page explains how to confirm availability for an active house-side leak.
Call (978) 392-7789 when the evidence points to house plumbing. It helps to know whether you're on a private well or a named community system, which fixtures are affected, whether hot and cold behave differently, and whether water is escaping anywhere. If the problem traces to well equipment or the supplier, we'll say so and point you to the right call.
Written by Jeneral Plumbing.
This article was drafted with AI writing tools and edited before publication. AI tools did not inspect any job or validate technical conclusions.
Last updated .

