Last updated 2026-08-19
TL;DR
Illinois licenses water well contractors and pump installation contractors through the Illinois Department of Public Health under 225 ILCS 345. You cannot legally contract that work without the license. Licenses expire January 31 each year. Renewal is a board form, a fee you confirm on the current notice, and any continuing education IDPH listed for that cycle. First licensure needs supervised experience and an exam. Processing times are not guaranteed.
Do you need a license for well driller in Illinois?
Yes. Construct water wells for other people in Illinois, advertise that work, or call yourself a water well contractor, and you need a license from the Illinois Department of Public Health. Pump installation on wells carries its own license under the same Act. Helpers who only labor for a licensed contractor sit under a different rule. Read that exemption before you assume you are clear.
The statute is 225 ILCS 345, the Water Well and Pump Installation Contractor's License Act. It is not an IDFPR trades card. People lose weeks on the wrong portal. [1]
The Act says, "No person shall engage in the occupation of Water Well Contractor or Water Well Pump Installation Contractor, or advertise or hold himself out as being a Water Well Contractor or Water Well Pump Installation Contractor, unless licensed as such by the Department." That sentence is the business. [1]
The Act carves out people who perform labor or services for a licensed contractor. It does not turn your helper into a bidder. If your facts are odd (family farm, municipal crew, rented rig with an operator), ask IDPH in writing. Do not take a Facebook answer to a charging decision. [1]
The hole still has to meet 77 Ill. Adm. Code 920, the Illinois Water Well Construction Code. A license is not a permit. A county permit is not a license. You need the pair that matches the job. [3]
I would not take paid drilling work on a handshake and a borrowed number. Unlicensed contracting can be charged as a Class A misdemeanor. A Class A misdemeanor fine in Illinois can run up to $2,500, and jail time is on the table under 730 ILCS 5/5-4.5-55. [1][5]
Closed loop geothermal boreholes have a separate contractor certification inside Part 920. That certificate is not a water well contractor license. Do not bid a potable well on a loop card.
Who licenses well drillers in Illinois, IDPH or IDFPR?
IDPH licenses Illinois water well contractors. IDFPR does not. Open an IDFPR professional-license account for this trade and you are on the wrong site.
The Private Water program at the Illinois Department of Public Health runs contractor licensing and the construction code. The Groundwater Protection Act tells IDPH to adopt rules for construction and sealing of water wells. Those rules are Part 920. The occupational license rules are 77 Ill. Adm. Code 915, under the same Department. [6][7][8]
This mix-up wastes real time. New people search "Illinois contractor license" and land on roofing or plumbing. Well work is a public health license. County health departments handle most well permits. The state handles the occupation card and the minimum construction standard.
Call the program named on the IDPH Private Water page before you pay anyone who claims they can handle the board for you. Nobody outside the Department can issue this license.
Other states park well contractors inside natural resources or a water board. Illinois does not. If you are used to California well driller renewal or Colorado well driller renewal, throw out that org chart.
When does an Illinois well driller license expire and how do you renew?
Illinois well contractor licenses expire on January 31 of each year. Renewal is an IDPH application plus the fee printed on the current renewal notice. There is no multi-year card unless the Department changes the rule. Confirm that on the form you actually receive. [7]
77 Ill. Adm. Code 915 governs when these licenses expire and how you renew them. January 31 is the date I would write on the shop wall. [7]
IDPH has, for many cycles, mailed a renewal notice. Missing mail does not extend the license. Keep your address current. If you moved shops and never told them, that is on you.
I renew early in January, not on the 31st. Winter mail and payment processing are both ugly. Do not plan to drill on February 1 with a check you dropped in a box on January 30.
The renewal packet is where CE proof, if required that cycle, belongs. Use the Department's form. A random invoice from a class vendor is not a renewal.
Work across state lines and you juggle several dates. Put each state's date in a different color. Florida well driller renewal and Georgia well driller renewal do not share Illinois's January 31 habit. Assuming they do is how people lapse.
How much does well driller cost in Illinois?
There is no honest single price. License fees change and belong on the current IDPH application, not in an article. Confirm the dollar amount with the Private Water program before you write a check. [8][10]
225 ILCS 345 authorizes the Department to collect application, examination, and renewal fees. Part 915 carries the license process. Older public fee tables have listed modest application and renewal charges, far below the cost of a rig. I will not reprint a number that may be stale. If a website quotes a fee without showing this year's IDPH form, ignore it. [10]
The real money is the business, not the card. A working rotary or cable-tool spread, a support truck, a grout pump, and insurance dwarf the board fee. I would not finance new iron until I had the license in hand and a book of work. Used equipment is still a serious bet.
What does a homeowner pay a well driller in Illinois? The bid tracks depth, formation, casing, grout, the pump, and the county permit. Northern sand-and-gravel holes and southern bedrock holes are not the same job. The Illinois State Geological Survey ILWATER well records show how wildly depth changes by county. Nobody has a clean, current public average price by county that I trust. Get two or three written bids. [11]
Local health department permit fees are set locally. Ask the county that will sign the permit.
Exam prep and CE classes are extra. Pay only for coursework the Department actually accepts. A cheap unapproved webinar is a waste of money.
How long does well driller take in Illinois?
For a new license, plan in years, not weeks. 225 ILCS 345 requires qualifying experience in water well construction, long read as two years under a licensed contractor, plus a passing Department exam. The two years is the long pole. The exam date is whatever IDPH is running when you are eligible. Nobody can honestly promise a score-to-card timeline. [12]
I would log hours on real holes, not on videos. If your background is pump-only, do not expect it to count as well construction experience. Ask IDPH in writing how they credit military time or out-of-state time.
Exam seating follows the Department's calendar. Miss it and you wait for the next date. Study Part 920, not a generic national quiz app.
A single residential well is different. Once the permit is in hand and the rig is on the lawn, many holes are a one or two day field job. Weather, cobble, lost circulation, and a late grout load can stretch that. The permit itself can take days or a couple of weeks, depending on the local health department. That is a local fact, not a state service pledge.
Already hold a comparable license elsewhere? Ask about reciprocity under 225 ILCS 345. It is not automatic, and it is not fast just because you asked. [13]
What continuing education do you need to renew in Illinois?
IDPH treats continuing education as part of staying licensed. The hour count and the approved-provider list belong on the current renewal notice and the Department's contractor materials. I will not invent this year's hours. [8][10]
Approved means approved. A Saturday class at a supply house counts only if the Department said it counts. Trade groups often run classes aimed at this audience. Still check the approval, every cycle.
I would not buy a long online bundle from a vendor that will not show an Illinois approval code. Those hours can bounce, and then the money is gone.
Keep the certificates with your renewal copy. If IDPH asks later, a credit-card receipt is not proof of content.
Closed loop certification has its own training language inside Part 920. Do not assume water-well hours cover closed loop work, or the reverse. [3]
Hold cards in Arizona or Arkansas too? Track each state's CE in a separate folder. Double-counting across states only works when both boards say it works.
What paper do you file for each well you drill in Illinois?
A license is not permission to drill a specific hole. The Illinois Water Well Construction Code requires a permit before you construct, deepen, modify, or seal a water well. IDPH or the local health department issues that permit. Pull it first. [3][8][14]
Location rules in Part 920 set minimum distances from septic tanks, seepage fields, sewers, and other contamination sources. Measure before you pick the stake. Moving a well after the owner poured a patio is how you eat a job. [15]
Grout is not optional theater. The construction code tells you how to seal the annular space. Write down mix, volume, and interval while you are still dirty. Memories lie. Inspectors do not.
WellDrillerPath sells a $179 one-time Well Board + Grout-Log Kit if you want a pre-built folder for permits, grout notes, and construction reports. A cheap binder with the same tabs works if you actually fill it out.
After the well is finished, file the construction report the permit tells you to file. Local health departments and IDPH use that report. ISGS ILWATER well records also depend on people turning in real logs. Late reports make you look sloppy when you later need a variance. [11]
I keep a job jacket with the permit, the location sketch, casing invoices, grout tickets, the disinfection note, and the report copy. That jacket is what you hand a sanitarian when they show up.
What happens if you miss the January 31 renewal deadline?
January 31 passes and you did not renew? You are not licensed. Stop bidding. Stop turning bits. Restoration is a different path than a timely renewal. Part 915 has a restoration process. The extra fee and any re-exam rule are whatever the Department is enforcing on that date. Confirm them before you guess. [10]
Working lapsed is treated like working unlicensed. That is the Class A problem again. [1][5]
I would call IDPH the morning I realized I lapsed, not after I finished the job I already promised. Promises do not bind the board.
Expired a long time? Expect to requalify. Do not let a forum tell you they always just take the late fee. Always is not a legal standard.
Keep copies of the expired card, CE certificates, and any Department emails. Restoration reviewers like a clean packet.
Some states give you a long grace window. Illinois dates are strict on the face of the rules. I would not drill through a self-declared grace period. [7]
Let the license die because you left the trade, and a return can look like a new application until IDPH says otherwise.
Can you work in Illinois on an out-of-state well driller license?
No, not by itself. An out-of-state well driller license does not let you contract water wells in Illinois until IDPH says you may. 225 ILCS 345 lets the Department consider reciprocity when another state's requirements are substantially equivalent. That is a Department decision, not a sticker on your truck. [13]
Bring the other state's statute, your current card, and a letter that says you are in good standing. Then wait for IDPH to tell you whether they still want their exam.
I would not move a rig across the line for a quick farm well while a reciprocity letter is pending. Alabama well driller renewal will not cover you in McLean County.
Got only a helper card from another state? You are not a reciprocity candidate. Log the two years here, or prove equivalent experience the Department will accept. [12]
Closed loop work can have its own out-of-state story under Part 920. Ask that question separately so you do not mix certificates.
What is the difference between well, pump, and closed loop cards?
Illinois splits the occupation. Pick the card that matches the work you actually bid.
| Approval | Work it covers | Who issues it |
|---|---|---|
| Water well contractor license | Constructing water wells as a contractor | IDPH |
| Water well pump installation contractor license | Installing or repairing well pumps | IDPH |
| Combined water well and pump contractor license | Both occupations on one card | IDPH |
| Closed loop well contractor certification | Geothermal closed loop wells under Part 920 | IDPH |
| Local well construction permit | Each construct, deepen, modify, or seal job | Local health department or IDPH |
New to this? I would take the combined path if you will touch pumps in year one. Coming back later for the second occupation is extra calendar time. [1][7]
Closed loop certification is not a substitute for the water well occupation license if you are also drilling potable wells. Part 920 is still the construction rulebook for the borehole. [3][14]
Advertising matters. The Act reaches people who hold themselves out as contractors. A Facebook ad that says you drill wells is enough to put you inside the statute. [1]
Do not let a general contractor tell you their roofing license covers the well. It does not.
The water well exam tracks the construction code, enough geology to case in the right place, grout, disinfection, and the legal stuff. The pump exam tracks installation and sanitary details. Study Part 920 more than a national trivia deck.
What does first-year well drilling work look like in Illinois?
Once the card arrives, the work is permits and paper as much as it is drilling. Register the business the way Illinois wants for tax and entity purposes. That is Secretary of State and Department of Revenue, not IDPH. Get liability insurance, because a bad grout job is a groundwater problem, worse than a callback.
Every job: permit, locate, drill, case, grout, develop, disinfect, report. Skip a step and the local sanitarian can stop you.
Setbacks in Part 920 are the first argument you will have with a homeowner who already poured a driveway. Bring the code table to the site visit. [15]
I would price grout and reporting as real line items. Free paper is how you go broke.
Sample the well if the owner wants potable use. IDPH and local departments can tell you which lab tests they want. EPA states that "more than 23 million households rely on private wells for drinking water in the United States," and those wells are not under the same daily federal testing as a city system. Your customer owns that risk. Say so. [16]
Hire help only under your license and actually supervise. Lending your number to another rig is how licenses get hurt.
Compare your calendar with Idaho well driller renewal only for curiosity. Illinois will still want Illinois paper.
Where do you confirm Illinois renewal fees, forms, and CE?
Confirm fees, CE hours, exam dates, and restoration rules with IDPH Private Water. Use the program page and the phone number printed on the current application. Statute text does not list this year's dollar amounts in a useful way. [8]
Look up 225 ILCS 345 and 77 Ill. Adm. Code 915 and 920 yourself. The Illinois General Assembly and JCAR sites carry the official text. If a blog and the statute disagree, the statute wins. [1][7]
WellDrillerPath is an independent publisher, not a law firm and not a service company. Nothing here is a filing, an approval, or a timeline promise. If you want a blank board-and-grout folder to organize what you already have to keep, start at /start.
I would print the Act, Part 915, Part 920, and your last renewal notice, and put them in the truck. That stack answers more field arguments than any national myth about the well drillers license.
Write variable facts (fees, exam seats, CE hours, restoration add-ons) as confirm with the board. Anyone who guarantees you an approval date is selling something the Department does not sell.
Frequently asked questions
Do you need a license for well driller in Illinois?
Yes, if you engage in the occupation of a water well contractor or advertise that work. Illinois licenses that occupation through IDPH under 225 ILCS 345. Pump installation has its own license under the same Act. Helpers who only labor for a licensed contractor may be exempt. Construction still needs a local permit under Part 920.
How much does well driller cost in Illinois?
License fees belong on the current IDPH form. Confirm them with Private Water before you pay. The card is cheap next to a rig, insurance, and grout equipment. Homeowner well prices track depth, formation, casing, pump, and the county permit. Nobody has a trustworthy current public average by county. Get written bids.
How long does well driller take in Illinois?
A new occupation license takes years because 225 ILCS 345 requires qualifying well-construction experience, long read as two years, plus the IDPH exam. Exam seating follows the Department calendar. A typical permitted residential hole is often one or two field days after the county permit lands. No processing time is guaranteed.
Does IDFPR license well drillers in Illinois?
No. IDFPR does not issue the water well contractor or pump installation contractor license. IDPH does, under 225 ILCS 345 and 77 Ill. Adm. Code 915. County health departments issue most well construction permits. If you are in an IDFPR account for this trade, you are on the wrong site.
When do Illinois well contractor licenses expire?
They expire on January 31 of each year. Part 915 governs expiration and renewal of these licenses. Renew on the current IDPH form during the window the Department prints on the notice. Missing the mail does not extend the card. Confirm any CE attachment on that same notice.
Can I renew an expired Illinois well driller license?
Maybe, through restoration rather than ordinary renewal. 77 Ill. Adm. Code 915 has a restoration path. Late fees and any re-exam rule are whatever IDPH is enforcing when you apply. Confirm those details with Private Water. Do not drill while the card is dead. Lapsed work is unlicensed work.
Does Illinois require continuing education for well drillers?
IDPH treats continuing education as part of staying licensed. The hour count and the approved-provider list sit on the current renewal notice, not on a blog. Pay only for Department-accepted classes. Closed loop certification under Part 920 can have its own training rules. Keep certificates with your renewal copy.
Do I need a permit for every well I drill in Illinois?
Yes. The Illinois Water Well Construction Code requires a permit before you construct, deepen, modify, or seal a water well. IDPH or the local health department issues it. The occupation license does not replace that permit. Pull the permit, then drill, then file the construction report the permit names.
Is a pump installer license different from a water well contractor license?
Yes. Illinois issues a water well contractor license, a water well pump installation contractor license, and a combined card. Drill wells on the well license. Set or repair pumps on the pump license. Hold both if you do both. Closed loop geothermal work uses a separate Part 920 certification.
Can an out-of-state well driller work in Illinois?
Not on the foreign card alone. 225 ILCS 345 lets IDPH consider reciprocity when another state's rules are substantially equivalent. That is a Department call. Bring a current license and a good-standing letter. Do not move a rig across the line while that letter is pending.
What happens if I drill without an Illinois license?
Unlicensed water well contracting can be charged as a Class A misdemeanor under 225 ILCS 345. A Class A misdemeanor fine in Illinois can run up to $2,500, and jail time is available under 730 ILCS 5/5-4.5-55. The Department can also go after the license later. It is a stupid way to learn paperwork.
Does a landowner need a contractor license to drill their own well?
The occupation license targets people in the business and people who advertise as contractors. A private landowner still needs a construction permit and must follow Part 920. Do not invent a homestead exemption. If you think your facts are exempt under the Act, get IDPH to say so in writing before you turn a bit.
Who do I call to confirm this year's Illinois renewal fee?
Call the IDPH Private Water program using the number on the current contractor application or the Private Water topic page. Fees are authorized by 225 ILCS 345 and processed under Part 915, but the dollar amount on an old blog is not reliable. Confirm the figure on the form you actually file.
Where do I send the Illinois well construction report?
Send it where the permit tells you to send it, usually the local health department that signed the permit, with IDPH in the loop as the code requires. File it after the well is finished, not months later. Keep a copy in the job jacket with the grout notes. ISGS well records also depend on real logs getting turned in.
Sources
- Illinois General Assembly, 225 ILCS 345 Water Well and Pump Installation Contractor's License Act: No person may engage in or advertise the occupation of water well contractor or water well pump installation contractor unless licensed by the Department, and violations can be charged as a Class A misdemeanor.
- JCAR, 77 Ill. Adm. Code 920 Illinois Water Well Construction Code: Part 920 sets Illinois minimum requirements for water well and closed loop well construction.
- Illinois General Assembly, 730 ILCS 5 Unified Code of Corrections: A Class A misdemeanor fine in Illinois shall not exceed $2,500, and a jail term is authorized under Section 5-4.5-55.
- Illinois General Assembly, 415 ILCS 55 Illinois Groundwater Protection Act: The Groundwater Protection Act directs the Illinois Department of Public Health to adopt rules for construction and sealing of water wells.
- JCAR, 77 Ill. Adm. Code 915 Water Well and Pump Installation Contractor's License Code: IDPH license-code rules govern expiration on January 31 and the renewal and restoration of water well and pump installation contractor licenses.
- Illinois Department of Public Health, Private Water program: IDPH Private Water administers private water well construction standards, local coordination, and contractor licensing contacts.
- JCAR, 77 Ill. Adm. Code 915 Water Well and Pump Installation Contractor's License Code: Part 915 sets the Department application, examination, and renewal process, including fee handling that must be confirmed on the current form.
- Illinois State Geological Survey, ILWATER water well records: ISGS ILWATER well records show Illinois private-well depths and locations vary widely by county and geologic setting.
- Illinois General Assembly, 225 ILCS 345 Water Well and Pump Installation Contractor's License Act: An applicant must meet the Act's experience and examination qualifications, including required water well construction experience before licensure.
- Illinois General Assembly, 225 ILCS 345 Water Well and Pump Installation Contractor's License Act: IDPH may consider licensing a person licensed in another state if that state's requirements are substantially equivalent.
- JCAR, 77 Ill. Adm. Code 920 Illinois Water Well Construction Code: Illinois maintains a separate closed loop well contractor certification inside the Water Well Construction Code.
- JCAR, 77 Ill. Adm. Code 920 Illinois Water Well Construction Code: Part 920 location rules set minimum separation distances between water wells and contamination sources such as sewage systems.
- U.S. EPA, Private Drinking Water Wells: EPA estimates that more than 23 million households get drinking water from private wells.