Will wastewater engineers be replaced by AI?
Updated
Wastewater engineers score 48 of 100 for AI exposure. The largest share of their task time, 90%, is work AI speeds up while they stay in charge. AI can take over 7% outright, and 3% stays with people.
- 7% AI can do it
- 90% AI helps
- 3% Needs a person
Moderate exposure
Higher than 70% of the 923 occupations we scored.
Task by task
We graded 28 tasks, listed here from most to least exposed. AI can do 2 of them today, speeds up 25 and leaves 1 to people.
| Task | AI exposure |
|---|---|
| Write technical reports or publications related to water resources development or water use efficiency. AI drafts technical reports well; engineer reviews accuracy. | 65% AI can do it |
| Gather and analyze water use data to forecast water demand. Data pulls and demand forecasting are routine digital work. | 62% AI can do it |
| Conduct cost-benefit analyses for the construction of water supply systems, runoff collection networks, water and wastewater treatment plants, or wastewater collection systems. Cost modeling and spreadsheet analysis highly automatable; review required. | 60% AI helps |
| Perform hydraulic analyses of water supply systems or water distribution networks to model flow characteristics, test for pressure losses, or to identify opportunities to mitigate risks and improve operational efficiency. Standard network modeling is highly automatable; engineer validates results. | 55% AI helps |
| Conduct environmental impact studies related to water and wastewater collection, treatment, or distribution. AI drafts impact study sections; field data and agency judgment needed. | 55% AI helps |
| Conduct feasibility studies for the construction of facilities, such as water supply systems, runoff collection networks, water and wastewater treatment plants, or wastewater collection systems. AI drafts studies and analyses; engineer is responsible for conclusions. | 50% AI helps |
| Develop plans for new water resources or water efficiency programs. AI drafts plans and options; stakeholder engagement remains human. | 50% AI helps |
| Review and critique proposals, plans, or designs related to water or wastewater treatment systems. AI can check designs against standards; engineer stays accountable. | 45% AI helps |
| Evaluate the operation and maintenance of water or wastewater systems to identify ways to improve their efficiency. AI analyzes operating data; site walks still needed. | 45% AI helps |
| Design pumping systems, pumping stations, pipelines, force mains, or sewers for the collection of wastewater. Hydraulic sizing software assists; engineer validates the design. | 40% AI helps |
Show the other 18 tasks
| Task | AI exposure |
|---|---|
| Design water distribution systems for potable or non-potable water. Network sizing tools assist; engineer approves design choices. | 40% AI helps |
| Analyze and recommend chemical, biological, or other wastewater treatment methods to prepare water for industrial or domestic use. AI can compare treatment options; pilot data and judgment needed. | 40% AI helps |
| Identify design alternatives for the development of new water resources. AI can generate and compare alternatives; engineer selects. | 40% AI helps |
| Design water runoff collection networks, water supply channels, or water supply system networks. Network design software assists; engineer makes final decisions. | 40% AI helps |
| Perform hydrological analyses, using three-dimensional simulation software, to model the movement of water or forecast the dispersion of chemical pollutants in the water supply. Simulation tools run models; engineer sets inputs and interprets. | 40% AI helps |
| Analyze and recommend sludge treatment or disposal methods. Option comparison assisted; regulatory and site factors need judgment. | 40% AI helps |
| Perform mathematical modeling of underground or surface water resources, such as floodplains, ocean coastlines, streams, rivers, or wetlands. Modeling software assists; calibration needs field data and judgment. | 40% AI helps |
| Design or select equipment for use in wastewater processing to ensure compliance with government standards. AI can compare vendor specs; selection needs engineering sign-off. | 35% AI helps |
| Provide technical support on water resource or treatment issues to government agencies. Mostly advice and communication; AI drafts responses. | 35% AI helps |
| Analyze storm water or floodplain drainage systems to control erosion, stabilize river banks, repair channel streams, or design bridges. Modeling assists; site assessment and judgment remain human. | 35% AI helps |
| Design water storage tanks or other water storage facilities. Sizing calculations assisted; structural and site design need engineers. | 35% AI helps |
| Design domestic or industrial water or wastewater treatment plants, including advanced facilities with sequencing batch reactors (SBR), membranes, lift stations, headworks, surge overflow basins, ultraviolet disinfection systems, aerobic digesters, sludge lagoons, or control buildings. Heavy engineering judgment; AI assists sizing and drafting calcs. | 30% AI helps |
| Conduct water quality studies to identify and characterize water pollutant sources. Field sampling needs people; AI handles data analysis and reporting. | 30% AI helps |
| Design water or wastewater lift stations, including water wells. Well siting involves field work; AI helps with design calcs. | 30% AI helps |
| Design sludge treatment plants. Process calculations assisted; engineer leads design and sign-off. | 30% AI helps |
| Analyze the efficiency of water delivery structures, such as dams, tainter gates, canals, pipes, penstocks, or cofferdams. Hydraulic calculations assisted; physical inspection still needed. | 25% AI helps |
| Provide technical direction or supervision to junior engineers, engineering or computer-aided design (CAD) technicians, or other technical personnel. Mostly people leadership; AI helps only with review prep. | 20% AI helps |
| Oversee the construction of decentralized or on-site wastewater treatment systems, including reclaimed water facilities. Physical site construction oversight dominates; AI helps little. | 12% Needs a person |
How wastewater engineers compare
All occupations (923)
Architecture and engineering (56)
Pay and outlook in the US
- Median pay
- $100,840 a year, May 2025
- Projected change in jobs
- +6.4% from 2024 to 2034
Skills to build
- Build and check hydraulic models in HEC-RAS
- Hold a Professional Engineer license to stamp designs
- Design lift stations and pipelines in AutoCAD Civil 3D
- Review AI-drafted feasibility studies and cost-benefit analyses
- Run field sampling for water quality studies
- Map pipe networks and flood risk in ArcGIS
Safer roles nearby
5 related occupations with lower scores.
Questions about wastewater engineers and AI
Will AI replace wastewater engineers?
Partly. About 4 in 10 working hours go to tasks AI can already do, mostly technical report drafting and water demand forecasting. Licensed engineers still take responsibility for the stamped design, the field judgment, and the review of every model result.
Which wastewater engineering tasks is AI taking over?
AI takes over first drafts of technical reports, which score 65 on the exposure scale, and routine water demand forecasts built from water use data, which score 62. Cost-benefit analyses for treatment plants follow the same pattern at a score of 60, with the engineer reviewing every result before it goes into a project file.
Which wastewater engineering tasks stay with people?
Physical site work stays with people. Overseeing construction of on-site and decentralized treatment systems is dominated by work on the ground, and field sampling for water quality studies needs someone at the sampling point. Inspecting dams, canals, and pipes still needs a person on site, since AI helps only with the hydraulic calculations.
How can wastewater engineers stay valuable?
Hold a Professional Engineer license so you can stamp designs. Validate every HEC-RAS and HEC-HMS model run against field measurements before it goes into a report. Keep field sampling and site inspection in your hands, and sign the conclusions of feasibility studies.
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