Verified license

William M Knierim

Batavia, IL · Kane CountyPump installation

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License status
Active
checked September 30, 2026
License number
101-004927
Illinois record
Services
2
Pump Installation and more
Counties served
1
on the state record

About William M Knierim

William M Knierim is a pump installation contractor based in Batavia, IL (Kane County). The Illinois licensing program lists license 101-004927 as active, and we last checked the record on September 30, 2026.

The state record covers pump installation and pump repair. It lists 1 county where the business works, including Kane County.

This profile is built from public state license records checked on September 30, 2026. Well Water Insider does not rate or endorse contractors. Own this business? Claim the profile to add photos, hours and a description.

License record

Verified against state records
License number
101-004927
License type
Pump installation
Status
Active
Last verified
September 30, 2026

Check this license yourself on the official Illinois lookup.

What the state record says

Illinois licensed water well pump installation contractor (IDPH license held by William M Knierim (water well pump installation contractor license 101-004927); active on the IDPH Water Well Contractor search on September 30, 2026). Illinois licenses the individual rather than the company under the Water Well and Pump Installation Contractor's License Act (225 ILCS 345) and 77 Ill. Adm. Code 915: a water well contractor may construct, modify and seal water wells, a pump installation contractor may install and service pumps and pressure systems, and the licensee must be on site or supervising the work. A permit from the county health department (or IDPH where the county has no delegated program) is required before a well is drilled, and the contractor files a well construction report with IDPH; the state's well records are published through the ISGS ILWATER map. William M Knierim has 3 water well records on the ISGS ILWATER map drilled since 2016, most recently in April 2022, mostly in Kane County.

Services

What the Illinois record says William M Knierim is licensed or registered to do.

Pump Installation

Setting a new submersible or jet pump with the pressure tank, switch and controls.

Pump Repair

Tracking down low pressure, short cycling or no water, then repairing or replacing parts of the pump system.

Service area

Based in Kane County, Illinois. The state record lists 1 county.

Approximate location (Kane County)Counties on the state record

  • Kane County

Well water in Kane County

Useful context before you call a contractor here.

10%of households in Kane County drink from a private well (est.)
200 to 660 feet; the median of 2,485 private water wells on the ISGS ILWATER map drilled since 2000 is 320 feettypical private well depth
Not statewidewater test when a home with a well is sold: no statewide rule in Illinois, but some local areas require one
Open the Kane County well guide

Typical costs for these services

National ranges to help you read a quote. They are not prices from William M Knierim; ask for a written estimate.

Submersible pump replacement$1,000 to $2,500installed; deep wells cost more
Pressure tank replacement$800 to $1,500installed

National 2026 ranges. Sources, checked September 2026: HomeGuide cost guides, Angi.

Before you hire

  1. 1

    Confirm the license

    Look up license 101-004927 on the Illinois state lookup and make sure it is active for the work you need. Open the Illinois lookup.

  2. 2

    Get a written estimate

    Ask for the scope, parts, depth or pump size, permit fees and warranty in writing. Compare two or three quotes for big jobs.

  3. 3

    Ask about permits and the well log

    New wells and many repairs are reported to the state. Ask who files the paperwork and for a copy of the well log.

  4. 4

    Test the water after the work

    Any work on a well can disturb bacteria. Test for coliform bacteria once the job is done.

Questions about William M Knierim

Is William M Knierim licensed?

Yes. The Illinois record shows license 101-004927 (pump installation) with the status "active", last checked on September 30, 2026. You can confirm it on the state lookup.

What services does William M Knierim offer?

The state record lists pump installation and pump repair. Call to confirm they take on your type of job.

What areas does William M Knierim serve?

The business is based in Kane County (Batavia, IL). The state record lists 1 county, including Kane County.

Other licensed contractors near Batavia

Bradley Stone

Verified license

Cortland, IL · DeKalb County

License 102-003738 Active

  • Pump Installation
  • Pump Repair
  • Well Abandonment
  • Well Drilling
  • Well Repair

Charles J Stanley

Verified license

St Charles, IL · Kane County

License 092-006527, 101-002533 Active

  • Pump Installation
  • Pump Repair
  • Well Abandonment
  • Well Drilling
  • Well Repair