A damp patch in the monsoon can be a burst pipe or it can be the roof. Telling them apart before anyone breaks a wall saves the most money, and a short list of checks before the first heavy rain saves the rest.
Plumbing complaints in Sasaram and Bhabhua jump once the rains arrive, and half of them are not plumbing at all. Somebody sees damp spreading on a bedroom wall, assumes a pipe has burst, and by the time we are called the plaster is already off.
The useful skill in the monsoon is telling water arriving from outside apart from water escaping inside. Get that right before anyone picks up a hammer.
Seepage or leakage: how to tell
They look the same on a wall and they are completely different jobs.
Leakage comes from your own pipework. It is usually there in dry weather too, the patch stays fairly constant in size, and it sits near a bathroom, a kitchen, a tank, or the line where a supply pipe runs through the wall. If the patch is warm, a hot water line is involved.
Seepage comes from outside. It appears or grows after rain and dries back in a clear spell, and it often starts high on an outside wall, at a slab junction, around a window frame, or climbs up from floor level. Flaking paint, salt bloom and a broad, soft-edged patch all point this way.
A simple test: shut every tap, switch off the pump, and draw no water for two or three hours. If the patch keeps growing, it is your pipework. If nothing changes, look outside for the source.
Water and electricity together: if a leak has reached a switchboard, a socket, a light fitting or the pump starter, switch that circuit off at the main board first and do not touch wet fittings. A pump or geyser near a leak needs an electrician before a plumber. Never work on pump electrics standing on a wet floor.
Tracing a hidden leak without breaking the house
1. Close everything and watch the meter or tank
Shut all taps and appliances. With a meter, note the reading and check again after an hour of no use. On an overhead tank, mark the level with a piece of tape. Movement with nothing running means water is escaping somewhere.
2. Split the house into sections
If there is a valve isolating the upstairs, the bathroom, the kitchen or the garden line, close them one at a time and repeat the test. Whichever section stops the loss contains the leak. This step saves the most demolition.
3. Follow the evidence
Look at the obvious first: the base of the tank and its outlet joint, the pump and its foot valve, the joints behind the geyser, the connections under the basin and sink, and the flush tank inlet. Joints fail far more often than pipe runs do.
4. Listen and feel
At night, with the house quiet, a pressurised leak inside a wall can often be heard as a faint hiss. Run a hand along the bottom of walls — the coldest, dampest point usually sits nearest the leak.
5. Stop before you guess
If the section test points at a concealed run, call a plumber rather than opening plaster at the wettest spot. Water travels along pipes and under floors, so the wet patch is frequently nowhere near the break. Breaking the wrong wall is an expensive way to find that out.
Dripping taps and worn washers
A dripping tap is usually a worn washer or a damaged seat, and it is among the cheapest repairs there is. It is worth bothering with because a steady drip runs day and night, and in a house on a bore well the pump cuts in more often than it should.
Hard groundwater across much of Rohtas and Kaimur is rough on tap internals. Mineral deposits score the seat, so a new washer stops the drip for a few weeks and then it starts again. Then the seat needs attention or the tap needs replacing — repeatedly changing washers on a badly pitted tap is throwing good money after bad, and we will say so.
Floor drains, terrace outlets and the first heavy rain
This is the cheapest hour of maintenance in the whole monsoon, and the one most often skipped.
- Clear every terrace and balcony outlet of leaves, silt and plastic. One blocked outlet can pond a terrace and push water through the slab into the room below.
- Lift and clean the floor drain traps in bathrooms and the kitchen — hair, grease and grit sit just below the grating.
- Check the courtyard drain actually runs away from the house and is not silted up.
- Look at the terrace slope: if water stands in a corner after rain, that corner will eventually show inside.
- Check the AC drain discharges outside and clear, not onto a wall.
Do this before the first serious downpour, not after it.
Overhead tank overflow and the float valve
An overflowing tank is a common cause of a damp outside wall, and people rarely connect the two. The overflow runs down the wall, the water tracks along the plaster, and a patch appears inside a room with no pipework in it at all.
The usual culprit is the float valve. Hard water and grit make them stick, the rubber washer wears, and the arm gets bent by somebody cleaning the tank. Check the valve shuts off cleanly when the tank is full, the float is not waterlogged, and the overflow pipe discharges well clear of the wall.
While the tank is open, look at the lid. A tank left uncovered through the monsoon collects insects, leaves and whatever the rain washes off the roof — that is a health matter, not just a plumbing one.
When the pump is the problem
Pumps get blamed for a lot of monsoon trouble, sometimes fairly. A pump that runs but does not deliver has usually lost its prime, has a leaking foot valve or suction joint, or is drawing air through a crack. One that starts and stops repeatedly often has a leak in the delivery line or a failing pressure switch.
Ground water levels move in the monsoon, and in some Nokha and Kudra households a bore that struggled in May behaves quite differently in August. What has not changed is the risk of damp reaching the pump's electrics. If a pump trips the supply, hums without starting, or gives anyone a tingle, leave it off and get it checked.
Sewer smell in the house
A drain smell indoors almost always means a lost water seal. The trap under a floor drain or basin has dried out because that bathroom is little used, or a trap was removed during a past repair, or a vent is blocked so the seal siphons out every time somebody flushes.
Try the easy fix first: pour a bucket of water down every unused floor drain and basin to refill the traps. If the smell returns within a day or two, or comes back whenever an upstairs fixture is used, there is a venting or trap problem to look at properly.
Smells that get sharply worse in heavy rain can mean the line outside is surcharging — a drainage problem rather than something inside the house.
Getting it looked at
Leaks rarely improve on their own, and a slow one behind plaster does more damage than a dramatic burst everyone notices. If a damp patch is spreading, get it traced while it is still small.
Our plumbing work is described on the services page and charges are on the rate list — the same prices everywhere we work, GST extra, spare parts at actual cost after we tell you, travel charges beyond 5 KM, and a bill for every job.
We cover plumbing in Sasaram, Dehri-on-Sone, Nokha, Mohania and Bhabhua, with the full list on the service areas page. Same-day visits apply across Rohtas, Kaimur and Aurangabad districts; elsewhere we schedule. Call +91 96315 11974 between 8:00 AM and 6:30 PM, any day.
Frequently asked questions
Shut every tap, switch the pump off and use no water for two or three hours. If the patch keeps growing, it is your pipework. Seepage behaves differently: it grows after rain and dries back in a clear spell, usually starts on an outside wall or a slab junction, and leaves flaking paint and salt bloom.
Usually the float valve is not shutting off. Hard water and grit make it stick, the rubber wears, or the arm gets bent while cleaning the tank. Check that it closes cleanly when full and that the float has not filled with water. Also make sure the overflow pipe discharges clear of the wall, since that is a common cause of damp inside.
Clear every terrace and balcony outlet of leaves and silt, clean the floor drain traps in bathrooms and the kitchen, check the courtyard drain runs away from the house, see that no water stands on the terrace after rain, and confirm the AC drain discharges outside. It is an hour of work that prevents most monsoon damp complaints.
Almost always a lost water seal. The trap under a floor drain or basin dries out when a bathroom is little used, or a trap was removed in an old repair, or a blocked vent siphons the seal out at every flush. Pour a bucket of water down each unused drain first. If the smell returns within a day or two, get the trap and venting checked.
Want a hand with this?
Book a technician at home across Sasaram, Rohtas, Kaimur and Aurangabad. Prices fixed up front, a bill for every job.