Casey Jones Well Drilling Company, Inc.
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Started in 1947

Frequently Asked Questions

Well Drilling FAQ


Most of our business is devoted to the drilling of water wells for rural residents. Drilling a water well is far from "punching a hole in the ground". It is not a job for amateurs. Your water well will have to serve you and your family for many years and these years should be as trouble free as possible. Even though we all must be cost conscious, this should not be the only factor in choosing a company to supply you with something as vital as your water supply. As your well contractor we will discuss with you any problems that may exist in your area, we will recommend special techniques, if needed, to fulfill your water needs. We will help you locate the well to insure you get the highest quality of water available on your site.


We also drill wells for irrigating for something as simple as your backyard to watering the grounds of a major development of the irrigation of large fields of crops.ELEVATOR JACK HOLESCasey Jones Well Drilling has worked closely with a number of major construction firms to construct elevator jack holes to meet their specifications.OTHER DRILLINGWe are licensed by the State of Oregon to drill wells to monitor for possible groundwater contamination. This is a separate license and requires different drilling techniques and expertise. We also drill geo-technical holes to determine slope stability, gravel depth, or any other geological determination you might need. Finally, we drill holes for closed-loop or open-loop heat pump systems.

How much will a new well cost?

The cost of building a new water well is derived from the amount of casing (20 foot minimum) to bedrock and the amount of drilling needed to find water, plus the cost of the drive shoe and well cap. In unstable formations we use our underreamer system which drives the casing and drills at the same time. This requires the use of a more expensive drive shoe. Our per-foot well drilling prices sometimes change due to the fluctuating cost of casing, fuel and other materials. Although it is impossible to tell exactly how much a well will cost beforehand, our average well in 2012 was about $4500.

Where do you know where to drill?

Typically, the first consideration in determining the location of the well is to maintain enough distance from the septic system to prevent contamination. State of Oregon law requires the wll to be at least 50 feet form the septic tank and 100 feet from the drain field. Set backs from adjacent property lines come into play also and it is very important to be sure of their exact location when drilling. We prefer to meet with the customer at the job site to determine the best location for the well, so feel free to contact us if you need assistance.

What determines the depth of a well?

During drilling, compressed air continuously cleans the hole and lifts out any water entering the well though fractures in the bedrock. This allows us to measure the water flow rate of the well at any time. When deciding whether or not a given flow rate will adequately supply a house, we must first consider the depth of the well. A typical well holds about 1.5 gallons of water per foot and will fill up to within 25 feet of ground level. As such, at a depth of 300 feet the flow rate can be significantly lower than at a depth of 100 feet because of the greater storage capacity of the well. In fact, the water stored in a 300 foot well will supply the average house for a day.How much water do you need?

Type of Use Gallons per Day
(general range)
Dwellings: In House
Single family (per person) 50 - 75
Multiple-family apartments (per person) 40
Luxury units (per person) 100 - 150
Lawn and Garden (depends on size and season) 200 - 1,000

Livestock: (per animal)
Cattle/Steer (drinking) 12
Dairy (drinking/maintenance) 35
Goat (drinking) 2
Hog (drinking) 4
Horse/Mule (drinking) 12
Sheep (drinking) 2

Chickens (per 100) 5 - 10
Turkeys (per 100) 10 - 18How do I find a well report on the State of Oregon website?The Oregon Water Resources Department has a website that lists wells that are registered with the state. Their website address is When the page loads you need to be able to provide the township, range and section of the property in order to locate wells in your area. You can find the township, range and section on your property tax statement or other legal documents. These numbers can be found on your statement listed as "Map Number".

For example a map number would be listed as: 1705201002500

This breaks down to: Township 17S
Range 5W
Section 20
Taxlot 2500

We recommend entering just the Township, Range and Section numbers. Entering the taxlot number refines the search too much and will make it harder to find what you're looking for because many older well reports did not list a taxlot number. Also, we recommend entering "100" in the "records per page" box. Then, click on the "search" button and this will open the page with all the well reports in that section. If you want to open a particular well report, click on the blue colored numbers in the first column and it will open to an online copy of the well report as submitted to the state by the driller.

There are many cases where there was not an address associated with a well report. This occured because many of the rural properties had an address such as "RR 3 Box 12". We suggest you locate the previous owners names through the Lane County Records division. Unfortunately, we are not always able to locate every well. There are wells that may have been drilled by unlicensed drillers and never reported to state or were drilled previous to state recordkeeping.

Pump & Water System FAQ

What are typical water supply components?

Casing: The casing is a tube in the ground that houses the well pump and the pipe that moves water from the pump to the surface. It also prevents the hole from collapsing, and keeps contaminants from entering the water supply.
Cap: The cap is the on of the well casing. The cap must end at least 18" above the ground so it is not subject to flooding. The cap usually has a screened vent to prevent insects from entering the well.
Pump: The well pump draws water up the hole and pushes it into the home. The well pump is usually submersible. This means the pump is installed in the well casing several feet below the ground, making it operate more quietly.
Pressure Tank: The pressure tank is usually a 3' - 4' tall cylinder located in the home or pump house. It stores water and distributes it through the home at at an even pressure. The tank can also serve as additional storage for low-yield wells. The pressure switch located at the tank controls the pump's on/off cycle.
Pitless Adapter: The pitless adapter is a plumbing fitting that attaches to the well casing and routes the water supply line from the pump to the home. It is installed approximately 4' below ground in pits so it is not subject to freezing. Before these adapters were invented, old wells often terminated below ground in pits. Pits are no longer necessary, hence the name "pitless adapter".
Screen: The screen is at the very bottom of the well, attached to the casing. It keeps sand and gravel out of the well while allowing groundwater to flow into the well. Some wells drilled into bedrock do not need screens since the water travels through crevices in the rock and there is no sand to filter out.

How do I know if my water is safe to drink?

It is up to the owner to ensure that their water is safe for consumption. Well water should be tested after the well is drilled and then once every year because normal groundwater flow and other changing conditions can alter the quality of your water. Although we do not perform the actual testing of the water, we can assist you with taking the samples and delivering them to a local lab for analysis. Annual chlorination of your well is also a good idea. For the best results have this done by the professionals at Rainbow Pump Company. 541-726-1394
How do I troubleshoot a quick cycle pump?

Possible cause #1: Waterlogged pressure tank1. Record start pressure of pump
3. Drain water from tank by opening valve or faucet, leave it open
4. With tire gauge, check air pressure. Air pressure should be 2 lbs less than the start pressure of the pump.
5. If start pressure is unknown, add air to 25 lbs and call Rainbow Pump for service

Possible cause #2: Leak before or after discharge of pump

1. Close gate valve on discharge side of pump. If pump quits cycling, there is a leak in the water lines going to either the house, irrigation system or there is something turned on somewhere. Check sinks, toilets, washing machine, outside faucets, etc.
2. Close the gate valve on the discharge side of the tank. If the cycling continues, there is a problem with either the well, foot valve or deep well jet. CallRainbow Pump for service. (541-726-1394)

Pump does not run

1. Check breaker, on/off switch or ensure pump is plugged in.

Pump has power but does not run.

2. Call Rainbow Pump for service

Pump hums but does not run

2. Call Rainbow Pump for service

2. Remove gauge with bushing or bladder tank from top of pump
3. Pour water into pump until water fills pump housing
4. Replace gauge and bushing or tank, TIGHTEN
6. Open faucet or hose bib at pump to bleed air from system
Note: Steps 1-6 may need to be repeated. If still unable to prime or pump keeps losing prime--Call Rainbow Pump for service


2. Remove bushing with gauge and vent plug on opposite side of gauge on casing.
3. Pour water into pump until water comes from the vent hole.
4. Reinstall vent plug, top off water at gauge and reinstall gauge and bushing.
6. Open faucet or hose bib at pump to bleed air from system
Note: Steps 1-6 may need to be repeated. If still unable to prime or pump keeps losing prime--Call Rainbow Pump for service


Allow pump to completely thaw out from the freeze before calling for service. As long as there are no broken pipes, pump castings, or broken pressure tubing, the pump should start working normally when it has thawed. If any of the above appears to be damaged, turn power off and call Rainbow Pump for service.


1. Cover pump but keep well ventilated
2. Run water at slow trickle in a safe area to keep water moving through the system.
3. Use heat tape


1. Remove the well cover. Pour the required amount of bleach. Required amount of chlorine is 1 gallon for every 100 feet of water in the well. Example: 300 foot deep well would require 3 gallons of bleach.
2. Connect garden hose to an outside tap. Put other end of hose into well, turn on faucet, and from time to time move the hose so the chlorinated water bathes the sidewalls of the well. Do this for at least 4 hours, preferably over night.
3. After the minimum 4 hours of circulation, run all faucets in the house, one at a time, unti you smell chlorine at each faucet. This ensures that the whole system gets disinfected. Hot, cold, inside and outside faucets and washing machine faucets.
4. After circulating chlorinated water back into the well for the 4 hours, shut off faucet, remove hose from well casing and replace the well cover.
5. Don't use the water for at least 12 hours. 48 hours if optimal.
6. After a minimum of 12 hours, run water to waste, but not into the septic system, for several hours or until the chlorine smell and taste is gone.
7. To avoid over pumping a low producing well or over heating the pump, turn off water when flow is at a trickle and wait at least 1 hour before resuming.
8. Test for bacteria after a week of use.
9. In some cases, one chlorination will not be sufficient. Repeat disinfecting procedure as needed.CHECKING THE


1. Note your operating pressure of the well system. (pump on at 30 psi / off at 50 psi or on at 40 psi / off at 60 psi)
2. Turn off power to pump and drain the Captive Air tank (tank should feel light and wiggle easily)
3. With an accurate tire gauge, check air in tank at the tire valve. (Usually on top of the tank)
4. Air pressure, when the tank is empty of water, should be two (2) psi less than the pump on psi setting.
Example: Pump running at 40/60 should have 38 psi of air in it.
5. If the air pressure is lower or higher than the correct amount--adjust accordingly.