Well Flow Test

Well Flow Test can determine if the well produces enough water to safely supply your household

Well Flow Test is important for Buying & Selling a home

Well flow test is a specific test to calculate the amount of water that can be pumped from through a well water system into a home. It’s important to gauge the maximum and minimum rate at which water can be safely pumped through the system. The calculation is measured by duration, flow rate, and well water level. The rise and fall of the water well, pump, distance, and plumbing affect performance and safety tests. Although the well is the prime concern, the drawdown and recovery rate are indicators of performance.

When you buy or sell a home in Southwestern PA that has a well, be sure to put this near the top of your to-do list. As a home buyer, you’ll know if you have the proper water supply for safe drinking, washing hands, taking showers, doing dishes, washing laundry and everyday living. As a seller, you can avoid delays and problems with selling your home. The best time to have the well tested with a Well Flow Test flow is before the home even goes on the market.

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Well Flow Test determines if the well produces enough water

Unless there is no water when you turn on the water faucet, we generally take for granted that a private well’s output is sufficient to support our household’s water requirements.

A well functionality test (or well yield test) is a test that is conducted to determine whether there is an adequate flow of water from a private well.

A well flow test will help determine if there is a problem with the well or its associated equipment, such as the pump and storage tank that requires further evaluation or repair by a professional well contractor.

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well flow test will help pinpoint problems with the well, pump, storage tank, & associated equipment

Well Flow Test overview

The well flow test consists of running water, usually from an exterior hose bib, for a period of approximately an hour. During this time period, the flow rate (gallons per minute) and the pressure of the water from the well will be monitored for any unusual fluctuation or abnormalities which may indicate a problem with the well, pump or other associated equipment.

The well flow test does not guarantee or warrantee the well, or the condition of the well or related components. It is intended to determine the condition present at the time of the inspection and testing. All wells vary in performance and are affected by underground aquifer conditions, equipment, weather, and climate conditions. Seasonal variations are not uncommon and can affect the ability of the well to produce water, especially in a drought period.

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Well Flow Test accuracy

Well water flow is measured directly at the well tank or a faucet as close as possible to the tank. Flow is reported in gallons per minute (GPM) and pressure in pounds per square inch (PSI). Flow is measured with a calibrated flow meter. When the test is conducted at a faucet other than at the well tank, results may be lower than the actual well flow. Water flows through piping and valves between the well tank and faucet that create a pressure drop. This reduces the measured flow rate at the test faucet. If water flows through a water treatment system or filter, additional pressure drops are present. We try to measure flow directly at the well tank. This information is provided to make you aware of the accuracy of this test.

Well Flow Test overview

For all property transactions where there’s a well, Foundations Property Inspection recommends reviewing the well’s log from the property owner which should include well location, casing depth, components, pump and service records, well yield data, and age of the well. It’s a safe practice to retest your home’s ground water with a Well Flow Test following a couple of sesonal cycles for safety reasons.

This enables Well Flow Testing to cover many seasons to get a better understanding of environmental changes and different contaminants that could be more prone under certain seasonal and weather conditions.

It’s also recommended that no pesticides or fertilizers be applied near the well casing as this will cause well contamination.

Pets should be kept far away from well casings and the well mound should shed water away from the well casing.

The well casing should be above grade (at least 8″ is usually recommended, 12″ is better) to help prevent contamination of the groundwater .

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PA Department of Environmental Protection

The Pennsylvania Department of Environmental Protection (DEP) states that private water wells may be impacted by certain microbiological or chemical contaminants depending on the well location, well construction characteristics, area activities, and surface to groundwater geologic pathways.

When buying, selling, or leasing a home or multi-unit dwelling with a private well in Southwestern PA the goal is to ensure that purchasers and lessees of properties served by private potable wells are fully aware of the water source prior to sale or lease of a home or business.

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well flow test identifies
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