
What Are the Causes of Surging Water Pressure in a House? | Hunker
If the water pressure coming out of your tub or sink faucets seems to surge or diminish, there are some simple things to check before you call in the services of a professional pluer. Unless you have a well and pump, your water pressure should remain constant, but it may vary considerably when appliances, showers, sprinklers or other water-using devices are engaged.