O*NET-SOC 51-8031.00

Water and Wastewater Treatment Plant and System Operators

Operate or control an entire process or system of machines, often through the use of control boards, to transfer or treat water or wastewater.

Preparation

ItemValue
Preparation zoneZone 3 – Medium preparation needed
What O*NET says the zone requiresPrevious work-related skill, knowledge, or experience is required
Broad occupation in O*NETTrue (Yes)
Skills listed for this occupation6
Abilities listed for this occupation6
Tasks listed for this occupation5
Interest scores given for this occupation6

Skills

The 6 skills with the highest importance values in this occupation's records.

SkillO*NET elementImportanceDate
Operations Monitoring2.B.3.g3.8808/2018
Operation and Control2.B.3.h3.7508/2018
Monitoring2.A.2.d3.6208/2018
Active Listening2.A.1.b3.3808/2018
Quality Control Analysis2.B.3.m3.3808/2018
Critical Thinking2.A.2.a3.2508/2018

The importance value is what each record itself carries on O*NET's importance scale; the date is the date in each record.

Abilities

The 6 abilities with the highest importance values in this occupation's records.

AbilityO*NET elementImportanceDate
Oral Comprehension1.A.1.a.13.7508/2018
Oral Expression1.A.1.a.33.7508/2018
Near Vision1.A.4.a.13.6208/2018
Written Comprehension1.A.1.a.23.6208/2018
Deductive Reasoning1.A.1.b.43.508/2018
Perceptual Speed1.A.1.e.33.3808/2018

The importance value is what each record itself carries on O*NET's importance scale; the date is the date in each record.

Tasks

The tasks O*NET records for this occupation, with the type, respondent count and date each record carries.

TaskTypeIncumbents respondingDate
Add chemicals, such as ammonia, chlorine, or lime, to disinfect and deodorize water and other liquids.Core8108/2018
Collect and test water and sewage samples, using test equipment and color analysis standards.Core8008/2018
Record operational data, personnel attendance, or meter and gauge readings on specified forms.Core8108/2018
Operate and adjust controls on equipment to purify and clarify water, process or dispose of sewage, and generate power.Core8108/2018
Inspect equipment or monitor operating conditions, meters, and gauges to determine load requirements and detect malfunctions.Core8108/2018

Work interests

The interest scores O*NET gives this occupation, on the six interest types.

InterestScoreDate
Realistic6.8411/2023
Conventional4.6411/2023
Investigative2.7111/2023
Social1.5211/2023
Enterprising1.4611/2023
Artistic1.011/2023

More occupations in preparation zone 3

Source: O*NET 29.1 Database (Occupation Data, Job Zones, Skills, Abilities, Task Statements, Interests), U.S. Department of Labor, Employment and Training Administration. Data fetched 2026-10-31. See about and sources.