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Water Tester Jobs in Wisconsin (NOW HIRING)

USEMCO

WEM Tester

Tomah, WI · On-site

As a WEM Tester, you will safely pressure and/or leak test grey iron, ductile iron, steel and ... Activates air compressor or water pump until gauge registers specified internal pressure.

USEMCO, Inc.

WEM Tester

Tomah, WI · On-site

As a WEM Tester, you will safely pressure and/or leak test grey iron, ductile iron, steel and ... Activates air compressor or water pump until gauge registers specified internal pressure.

Phigenics

Water Management Engineer

Milwaukee, WI · On-site

WMETs may be asked to perform minor maintenance on water monitoring equipment, take on-site readings via testing instruments (i.e., chlorine, temperature, and pH readings), and collect building water ...

Phigenics

Water Management Engineer

Milwaukee, WI · On-site

WMETs may be asked to perform minor maintenance on water monitoring equipment, take on-site readings via testing instruments (i.e., chlorine, temperature, and pH readings), and collect building water ...

Pilgrim's

Water Treatment Operator - Days

Arcadia, WI · On-site

$23.31/hr

Responsible for Daily Monitoring/ Lab testing of Water Treatment Effluent for process control. * Assist with adjusting Water Treatment Effluent Process Control to stay within discharge limits.

JBS Imports

Water Treatment Operator - Days

Arcadia, WI · On-site

$23.31/hr

Responsible for Daily Monitoring/ Lab testing of Water Treatment Effluent for process control. * Assist with adjusting Water Treatment Effluent Process Control to stay within discharge limits.

Pilgrim's

Water Treatment Operator - Days

Arcadia, WI · On-site

$23.31/hr

Responsible for Daily Monitoring/ Lab testing of Water Treatment Effluent for process control. * Assist with adjusting Water Treatment Effluent Process Control to stay within discharge limits.

Concerto

PRN Facility & Water Specialist

Oshkosh, WI · On-site

... Testing & Compliance Calibrate and document testing equipment, collect water samples for analysis, and report any non-compliance with standards. 4. Facility & Unit Management Support new dialysis ...

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Water Tester information

See Wisconsin salary details

$5

$29

How much do water tester jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for water tester in Wisconsin is $29.12, according to ZipRecruiter salary data. Most workers in this role earn between $29.13 and $29.13 per hour, depending on experience, location, and employer.

What is a water tester?

A water tester works under the guidelines of EPA standards to test water quality at waste treatment plants and throughout freshwater systems. You do this to promote and protect the public health. As a water tester, your duties are to take samples of water from a plant and test its quality using specialized skills and equipment. Your goal is to test the levels of harmful materials and chemicals in the water supply through biological sampling and chemical testing. Your responsibilities are incredibly important because of the threat to public health that improper testing of chemicals in our water systems can cause.

What are the key skills and qualifications needed to thrive as a water tester, and why are they important?

To thrive as a Water Tester, you need a solid understanding of environmental science, chemistry, and water quality standards, often supported by a relevant degree or certification. Familiarity with laboratory testing equipment, water sampling procedures, and data analysis software is essential. Attention to detail, strong organizational skills, and effective communication help ensure accurate results and clear reporting. These skills are crucial for maintaining public health and environmental safety by ensuring water sources meet regulatory standards.

What are some common challenges faced by water testers in the field, and how can they be managed?

Water Testers often work in diverse environments, from treatment plants to natural water sources, which can present challenges such as difficult terrain, inclement weather, and ensuring sample integrity during transport. Managing these obstacles requires strong attention to detail, adherence to safety protocols, and the ability to adapt to varying site conditions. Regular training on sampling techniques and equipment maintenance, as well as effective communication with laboratory teams, helps ensure accurate results and efficient workflows.

What is the difference between Water Tester vs Water Quality Analyst?

AspectWater TesterWater Quality Analyst
CertificationsWater testing certifications, EPA certificationsSame certifications often required, plus laboratory certifications
Work EnvironmentField testing sites, water treatment plantsLaboratories, research facilities, field sites
Job FocusCollecting samples, performing basic testsAnalyzing data, interpreting results, reporting
Employer & IndustryWater treatment plants, environmental agenciesEnvironmental consulting firms, government agencies

Water Testers primarily perform field sampling and basic testing of water samples, while Water Quality Analysts focus on detailed data analysis and reporting. Both roles require similar certifications and work in related environments, but the Analyst role involves more in-depth analysis and interpretation of water quality data.

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What job categories do people searching Water Tester jobs in Wisconsin look for?

The top searched job categories for Water Tester jobs in Wisconsin are:

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For Water Tester jobs in WI, the most frequently searched job titles are:

Water Tester jobs near you
Infographic showing various Water Tester job openings in Wisconsin as of August 2026, with employment types broken down into 90% Full Time, and 10% Contract. Highlights an 100% In-person job distribution, with an average salary of $60,561 per year, or $29.1 per hour.

WEM Tester

USEMCO

Tomah, WI • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago

Job description

Job Type
Full-time
Description
Job Purpose: As a WEM Tester, you will safely pressure and/or leak test grey iron, ductile iron, steel and stainless-steel castings, while following all Work Instructions. You will be required to maintain the highest level of quality and report results accurately.
Essential Duties and Responsibilities:
  • Assemble parts for loading on testing bench.
  • Visually examine parts for defects such as cracks and pin holes.
  • Measures results of pressure test and logs data.
  • Separates and marks defective parts according to job specifications and department procedures.
  • Files/deburrs surplus metal from parts as needed.
  • Accurately stamp parts after successful completion of test.
  • Disassembles parts after testing is complete.
  • Tag & move parts to staging area for storage.
  • Prepare proper work order/routing documentation.
  • Tests boilers, tanks, fittings, pipes, and similar objects to detect and locate leaks, using compressed air or water pressure: Installs fittings on object to seal outlets and connects object to high-pressure air or water line, using hand tools.
  • Activates air compressor or water pump until gauge registers specified internal pressure.
  • Observes gauge for loss of pressure indicative of leaks and examines object for escaping air or water to detect leaks.
  • Marks object at source of leaks for subsequent repair.
  • May apply soap solution to surface of object or immerse object to facilitate location of air leaks.
  • May test object under high pressure to ensure compliance with product safety ratings.
  • May be designated according to type of test used as Hydrostatic Tester; Pneumatic Tester.

Requirements
A. Education: High school diploma or general education degree (GED)
B. Experience: 1-3 months experience in simple assembly. Experience in a metals manufacturing environment is a plus.
C. Technology Aptitude/Skills: Problem solving skills necessary to deal with issues involving a few concrete variables in standardized situations. Must have ability to use basic high school math. Ability to read and interpret a tape measure required. Ability to read a machining scale a plus.
D. Functional Skills: Excellent prioritization, organizational and attention to detail are important in this role.
E. Language Skills: Ability to read and comprehend simple instructions, short correspondence, and memos. Ability to write simple correspondence and fill out daily labor and/or testing reports.
Physical Requirements:
  • Ability to stand/walk on production floor for 8+ hours per day.
  • Ability to walk up steps and stand on top of low platform.
  • Ability to use hands and fingers to grasp parts, change tooling, do pushing/pulling of tools, read and record pressure gauge results, etc.
  • Ability to write information in a logical flow.
  • Ability to read and respond on an on-going basis daily due to nature of the work, throughout the day
  • Ability to communicate with others in person.
  • Ability to walk, bend, reach, climb, stoop, kneel or crouch frequently.
  • Ability to lift and carry 30lbs to 60lbs on occasion.

  • Walk: Constant (67% & more 5-1/2 hrs/day - 8 hrs/day)
  • Sit: Never (0 min.)
  • Stand: Constant (67% & more 5-1/2 hrs/day - 8 hrs/day)
  • Crawl: Never (0 min.)
  • Twist: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Forward Bend: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Reach forward: Constant (67% & more 5-1/2 hrs/day - 8 hrs/day)
  • Reach above shoulders: Never (0 min.)
  • Reach to side: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Reach Squat/Crouch: Occasionally (6-33% up to 24 min-2-1/2 hrs/day)
  • Reach Kneel: Never (0 min.)
  • Reach Climb Stairs: Occasionally (6-33% up to 24 min-2-1/2 hrs/day)
  • Reach Climb Ladder: Never (0 min.)
  • Reach Drive: Rarely (1 - 5% up to 24 min/day)
  • Head/Neck Static: Occasionally (6-33% up to 24 min-2-1/2 hrs/day)
  • Head/Neck Rotate: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Head/Neck Flex/Ext/Bending: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Hand/Wrist/Forearm Fine Manipulation/Left: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Hand/Wrist/Forearm Fine Manipulation/Right: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Hand/Wrist/Forearm Twisting Forearm: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Hand/Wrist/Forearm High Repetition: Occasionally (6-33% up to 24 min-2-1/2 hrs/day)
  • Grip Force Light: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Grip Force Medium: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)
  • Grip Force Firm: Frequently (34-66% up to 2-1/2 hrs - 5-1/2 hrs/day)

Our benefits package makes a career with USEMCO an appealing opportunity. We are proud to offer our employees:
  • Medical, Dental & Vision Insurance
  • Flex Spending Account (FSA)
  • Employee Assistance Program (EAP)
  • Employer Paid Life & AD&D Insurance
  • Employer Paid Short- & Long-Term Disability Insurance
  • Supplemental Insurance
  • Paid Time Off (PTO)
  • 10 Paid Holidays
  • 401(k) w/Employer Match
  • Profit Sharing

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