SAFE
The work is pumping tanks, running jetters and rodding machines down blocked laterals, hauling septage, and crawling into confined spaces in mud, weather, and homeowners' yards — none of which a language model touches and none of which current robotics handles at cost. AI does absorb the paperwork edge: route scheduling, septage manifests and disposal logs, camera-inspection reporting, and quoting. Judgment matters when calling a repair versus a replacement or spotting a failed drainfield, but most of the day is defined procedure under filthy conditions.
Roughly flat across the period, with year-to-year wobble.
Median pay $39,870 → $49,880 +0.1% in real terms
This line is counted by the Bureau of Labor Statistics — the one figure on this page that isn't a judgement of ours. Headcount moves on demand, offshoring, demographics and the business cycle, and automation is one term among several, often not the loudest.
So a falling line is not evidence that AI did it, and a rising one is not evidence that it won't. Both happen in this register: some occupations resist automation and shrink anyway, others are highly automatable and keep growing. The marked year is 2020.
BLS projection, 2024–2034
+7.6% 30,400 → 32,700 on the projections basis
Hard to automate, and growing
The work resists current AI and the BLS projects +7.6% more of these jobs by 2034. Note that safe does not mean well paid — several of the fastest-growing resistant occupations are among the lowest paid on the register.
Different clocks. The score is what current AI could do to this work today. The projection is how many of these jobs will exist in 2034. Everything between the two — how fast employers actually adopt, whether demand grows in the meantime — is why they can point opposite ways without either being wrong.
~2,900 openings a year on average, including replacing people who leave.
Drain CleanerSewer CleanerReach OperatorSeptic CleanerDrain TechnicianSewer BricklayerSewer TechnicianSeptic TechnicianService TechnicianSewer Pipe CleanerHigh Reach OperatorSeptic Tank CleanerSewer Line RepairerRoto Rooter OperatorPublic Works OperatorStormwater TechnicianSewage Screen OperatorPublic Works TechnicianPriming Machine OperatorSeptic Pump Truck DriverTransport Tank TechnicianDrain and Sewer TechnicianSewer and Drain TechnicianPipe Cleaning Machine Operator
Holding it up: embodiment . Weakest point: liability shield .
Tasks largely resist digitisation Locating a buried tank lid with a probe rod, breaking the seal, running a 4-inch suction hose while judging by sound and sight when the tank is drawn down, then feeding 200 feet of cable or jetter nozzle through a cleanout and feeling the resistance change at a root mass — these are tactile, one-off jobs on non-standard 1970s systems, which is why this sits at 18 rather than mid-band: only the dispatch, manifest, and CCTV write-up side gives.
Hands-on in uncontrolled environments You are in the yard in February, on your knees in septage-soaked soil, sometimes entering a tank or manhole under OSHA 1910.146 confined-space permits with H2S and methane monitoring — nothing about the job happens anywhere but the uncontrolled physical site, so 20 is the ceiling and it belongs here.
Certification preferred, not legally required Most states license the pumper business and require an operator certification (installer/pumper credentials, hauler permits, septage disposal manifests under state DEP rules) plus a CDL for the vacuum truck, but the personal exposure is the company's permit and the site inspector's sign-off rather than an individual seal like a PE or plumber's license carries — hence 9, above pure no-credential trades, below licensed professionals.
Meaningful discretion You own real calls — whether effluent surfacing means a clogged filter or a dead drainfield, whether that line needs jetting or excavation, whether the gas readings mean nobody goes in — but pumping frequency, tank access, and disposal routing are set by code and standing procedure, so the discretion is episodic rather than the substance of the day.
The verdict above describes this occupation as a whole. Almost nobody does the typical version of a job — tick what's actually in your week and see how your own mix sits.
Your task mix speaks to task resistance (18/20 here) — how much of the day's work current AI already does. That is the dimension the boxes above are about.
It cannot move the other three. Liability shield (9/20) is whether the law requires a licensed human to sign. Trust premium (10/20) is whether buyers specifically pay for a person. Judgment and accountability (10/20) is whether the role exists to own consequential calls. Those are facts about the occupation's standing, not about which tasks are in your week — a paralegal who does only trial exhibits still holds no licence. Together they are 29 of this occupation's 67 points (43%).
Embodiment (20/20) is also a property of the work rather than the worker, but we don't tag individual tasks as physical or not, so the picker can't tell you anything about it. That's a limit of this tool, not a claim.
Did we get the list right? Tell us what's missing — the tasks are written from the outside, and you're reading this from the inside.
The moves above are yours to make. This is the other half: what would have to change in the world for the occupation itself to score higher. None of it is in any one person's gift, but it is where the floor actually comes from. Scores here are not a one-way ratchet. Only two of the five dimensions — task resistance and embodiment — track what machines can do. The other three track law, what buyers will pay for, and who is answerable, and those move in both directions, often in response to the same pressure AI creates. If every lever below landed, this occupation would score around 80/100, still SAFE.
Extension of point-of-sale / periodic septic inspection mandates on the Massachusetts Title 5 model (inspection report signed by a state-certified System Inspector, personally sanctionable for a false pass) to more states, or the pending state adoptions of EPA-encouraged mandatory operating permits for advanced treatment units requiring a licensed operator of record to certify each service visit. Watch also for state rules making the pumper the signatory legally responsible for septage manifest accuracy and land-application/disposal-site compliance, and for OSHA 1910.146 permit-required confined space enforcement forcing a named, qualified entry supervisor on manhole and tank entries.
If the failed-drainfield determination becomes the legally operative document that blocks a real estate closing or triggers a mandatory replacement order — as it does under Title 5 and in some county health codes — the servicer's call carries consequences the company is answerable for, rather than being an informal recommendation to a homeowner. Also raised where jurisdictions require a certified inspector's sign-off on I&I / lateral camera findings used in municipal sewer rehab decisions.
Only narrow route: homeowner willingness to pay for a named certified inspector (NAWT-certified, or state System Inspector) rather than the cheapest pumper, in markets where the inspection gates a sale. This is credential premium, not human-vs-machine premium, and it applies to inspection work rather than pumping.
Task-mix shift is real but partial: this occupation has a routine tier (pump-and-go, scheduled grease trap and lift station service, straight jetting) and a thin judgment tier (diagnosing drainfield failure, distinguishing root intrusion from joint failure from bellied pipe on camera, sizing repair vs replacement). If AI-assisted camera interpretation and quoting absorb the reporting tier, the residual work is field diagnosis and physical intervention. This nudges upward at most slightly — the score is already 18 and the ceiling is the wrench-and-hose reality, not the paperwork.
The limit. Embodiment is already maxed at 20 and cannot rise. The binding constraint on this occupation is not AI — it is route density, consolidation by private-equity-backed home services rollups, and municipal insourcing, none of which the register measures. Liability and accountability gains accrue to the certified-inspector role, which is a subset of these workers; a straight pump-truck operator sees little of it.
| New York-Newark-Jersey City, NY-NJ | 860 | $57,260 +15% |
| Seattle-Tacoma-Bellevue, WA | 830 | $64,180 +29% |
| Chicago-Naperville-Elgin, IL-IN | 820 | $52,210 +5% |
| Los Angeles-Long Beach-Anaheim, CA | 600 | $55,420 +11% |
| Detroit-Warren-Dearborn, MI | 530 | $51,250 +3% |
| St. Louis, MO-IL | 520 | $51,940 +4% |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 480 | $59,020 +18% |
| Dallas-Fort Worth-Arlington, TX | 450 | $45,240 -9% |
| Rockford, IL | 50 | $75,010 +50% |
| Mount Vernon-Anacortes, WA | 40 | $74,550 +49% |
| Omaha, NE-IA | 180 | $71,570 +43% |
We have no reported case of a named organisation automating this occupation. Not one deployment, not one announcement.
That is worth saying out loud next to a score of 67. The verdict above is about what the work exposes — what current AI could do to these tasks. It is not a claim that anyone has done it. For this occupation those two things have come apart completely: the capability argument is on this page, and the evidence column is empty.
Has AI actually changed your work? One tap, anonymous, and the running tally is public. Nothing else is asked of you.
Rather than check back: get the digest and we'll tell you what changed — or watch a single occupation from its own page.