Washington Well Pumps Equipment Contractors

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Frequently Asked Questions

What is a well cap?

The cap covering a well may be a small part of the overall household water well system, but it is an extremely important one.

A properly installed well cap separates potential pollutants from your drinking water. The cap, which should be sealed tightly at all times, keeps out everything from liquid contaminants to bugs that can crawl inside a well and wreak havoc.

What are some routine maintenance practices for water well pumps?

Routine maintenance and inspection of water wells and well pump systems can help protect water quality, ensure your well is operating properly, prolong the useful life of the well system, and protect your investment. The greatest of all these is the protection of your health, as water quality issues can have adverse health impacts without any detectable indicators.

What are the main components of a water well system?

The primary components of water well systems include casing, well caps, well screens, and pitless adapters.

Casing is the tubular structure that is placed in the drilled well to maintain the well opening. Along with grout, the casing keeps possibly contaminated surficial water from reaching the aquifer zone underground and prevents contaminants from mixing with the water. The casing also holds back unstable earth materials so that they do not collapse into the well. Some states or local governing agencies have laws that require minimum lengths for casing.

Washington Groundwater and Water Well Statistics

Few states can accurately or confidentially determine how many residential wells are in place. For each region, the American Housing Survey by the U.S. Census provides regional data.

Washington is found in the West, along with these other states: Alaska, Hawaii, Washington, Oregon, California, Idaho, Utah, Nevada, Arizona, New Mexico, Colorado, Wyoming, and Montana.

The last American Housing Survey Census indicates this region had 1,540,0002 households served by residential wells, with an average of 2.583 persons per household. The USGS estimates the population of self-supplied water supply users in Washington to be 1,020,000, with 100% of their water supply from groundwater.

• 2,088 community water systems use groundwater for 3,052,800 people
• 344 non-community, non-transient water systems use groundwater for 82,800 people
• 1,773 non-community, transient water systems use groundwater for 316,100 people
• 6,800 irrigation wells used serving 4,200 farms and 517,000 acres