{
  "source": "Cooked Index — occupational AI risk register",
  "page": "https://cookedindex.com/jobs/hydrologic-technicians/",
  "methodology": "https://cookedindex.com/methodology",
  "notice": "Verdicts are re-examined as evidence accumulates. Re-fetch before relying on this; the page above always carries the current score.",
  "scored_at": "2026-08-11",
  "model": "claude-opus-5",
  "occupation": {
    "title": "Hydrologic Technicians",
    "soc_code": "19-4044",
    "category": "Science",
    "us_employment": 2840,
    "median_annual_wage": 64790
  },
  "verdict": "EXPOSED",
  "risk_resistance": 43,
  "contested": false,
  "near_boundary": false,
  "dimensions": {
    "task_resistance": 11,
    "embodiment": 16,
    "liability_shield": 3,
    "trust_premium": 5,
    "judgment_accountability": 8
  },
  "reasoning": {
    "task_resistance": "Wading a stream with a Price AA meter or ADCP at high flow, re-installing a scoured gauge orifice line, and hand-tracing a shifted rating after a channel avulsion are not going to be done by software, but the record-review, hysteresis coding, hydrograph shifting and monthly data-table assembly that fill the winter office months are already semi-automated in AQUARIUS/Aquarius-Time-Series workflows, which is why this sits at 11 rather than the 15+ of a purely field trade.",
    "embodiment": "Discharge measurements happen where the water is — cableways over flooding rivers, ice-cover measurements cutting holes on frozen channels, hip-boot wading in unstable gravel beds, driving 4WD to gauge houses on washed-out access roads — and the environment is uncontrolled by definition, since the highest-value measurements are the ones taken during the storm, not after it; 16 rather than 20 because a real share of the year is spent at a desk.",
    "liability_shield": "There is no state license to measure streamflow; USGS or contractor field training and a Water Data Quality certification or OSHA/swiftwater card are internal qualifications, and the published record carries the agency's or the supervising hydrologist's name, not the technician's — a 3 reflects that the only formal gate is employer-side.",
    "trust_premium": "Your customers are downstream data users — NWS forecast offices, water-rights administrators, dam operators, permit holders — who consume a gauge number keyed to a station ID and never learn who took the measurement; the 5 rather than 0 acknowledges the long-standing relationships with landowners who let you cross their property to reach the gauge and with the district hydrologist who trusts your field notes.",
    "judgment_accountability": "Deciding whether a measurement is good enough to publish, whether to shift the rating or flag the record as estimated, and whether that abrupt stage drop is a channel change or a plugged intake are calls you make alone at the site under a standard that is written down but not mechanical; it stops at 8 because USGS/Techniques and Methods protocols and a reviewing hydrologist bound the discretion on both ends."
  },
  "rationale": "The modal hydrologic technician splits time between muddy field work — wading streams for discharge measurements, servicing stage gauges and data loggers, pulling water quality samples — and screen work: rating-curve updates, QA of telemetered records, spreadsheet processing and report tables. The field half is genuinely hard to automate; the office half is exactly what AI and expanded sensor telemetry are eating, and continuous remote monitoring reduces the number of site visits needed per station. No license shields the role and clients never ask for a specific technician by name, so the surviving work is the person who can reach a remote gauge in a flood and diagnose why the sensor is lying.",
  "outlook": "Headcount stays small and flat while the office half of the job compresses into AI-assisted QA; the technicians who keep working are the ones certified to measure flow and fix instruments in the field.",
  "what_would_raise_it": {
    "levers": [
      {
        "dimension": "embodiment",
        "change": "If USGS and state cooperator programs keep tightening the requirement that discharge measurements used to update rating curves be made in person under high-flow conditions (current USGS policy already requires direct current-meter/ADCP measurements across the flow range, and index-velocity and image-velocimetry sites still need periodic field calibration), the irreducible field share rises as remote QA absorbs the desk half",
        "plausibility": "already happening",
        "would_add": 2
      },
      {
        "dimension": "task_resistance",
        "change": "Genuine two-tier split: if telemetry QA and spreadsheet report production are automated, what remains is sensor-fault diagnosis, ice-affected and backwater record estimation, and shifting-control rating analysis — the judgment tier USGS surface-water specialists do by hand. Task-mix shift alone, no new rule needed",
        "plausibility": "already happening",
        "would_add": 3
      },
      {
        "dimension": "liability_shield",
        "change": "If state engineering boards or water-rights courts require that discharge records used in adjudication, TMDL compliance, or FERC minimum-flow compliance be certified by a licensed PE or a credentialed hydrographer (an ASCE/AIH-style certification given legal weight, as some Western states already do for water-master measurements), the signature requirement attaches to the record",
        "plausibility": "plausible",
        "would_add": 4
      },
      {
        "dimension": "judgment_accountability",
        "change": "If flood-warning and dam-safety programs formally assign the call on whether a telemetered stage reading is trustworthy — the go/no-go on issuing a NWS flood forecast from a suspect gauge — to the on-call hydrographer rather than an automated flagging system, the role owns a consequential ambiguous decision",
        "plausibility": "plausible",
        "would_add": 3
      }
    ],
    "ceiling_note": "Trust premium has no realistic route: buyers are agencies and consultants purchasing a certified number, not a named person, and no procurement practice rewards technician identity. Total plausible ceiling is roughly the mid-50s; the field half protects the headcount that remains but the occupation is small and cooperator funding, not automation, sets its size."
  },
  "adjudication": null,
  "employment_history": {
    "points": [
      {
        "y": 2021,
        "emp": 3550,
        "wage": 62280
      },
      {
        "y": 2022,
        "emp": 2920,
        "wage": 58360
      },
      {
        "y": 2023,
        "emp": 3000,
        "wage": 55890
      },
      {
        "y": 2024,
        "emp": 2940,
        "wage": 58570
      },
      {
        "y": 2025,
        "emp": 2840,
        "wage": 64790
      }
    ],
    "from": 2021,
    "to": 2025,
    "change_pct": -20,
    "comparable_from": 2021,
    "spans_soc_revision": false
  },
  "pivots": [],
  "license": "https://cookedindex.com/terms"
}