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Civil engineers and surveyors

How to become a Sewer Pipe Inspector

Inspects sewer pipe facilities (sewer pipes, manholes and so on), surveys them for deterioration, damage, blockages and other problems, and assesses whether and how urgently repairs are needed.

Main tasks

How to become one

There are no essential requirements for this job. Studying civil or environmental engineering at university or similar makes the work easier, but the job is not directly linked to schooling, so your subject is rarely asked about when hiring. Mid-career hiring is also rarely limited to experienced people. You travel to sites in work vehicles, so a standard driving licence is often required when you join. You join a company that maintains sewers, a sewer facility operator or a local government's sewer department, and build basic knowledge and skills through training and on the job. At companies specialising in sewer maintenance, after induction training you usually join a team and work towards the qualifications needed for the job while gaining site experience. Once you can take part in specialist surveys, diagnosis and maintenance planning, you may become a team leader or manager. The main qualification for sewer pipe inspection is the sewer pipe management engineer certification scheme of the Japan Sewer Pipeline Maintenance Association, in which the sewer pipe management specialist engineer (survey) mainly covers inspection and survey work. Qualifications covering wider maintenance work are sewer pipe management chief engineer (inspection and diagnosis) and sewer pipe management general engineer (planning, survey and design). Companies also encourage staff to gain the civil engineering works management engineer qualification, used for repair work, and the heavy vehicle licence needed to drive special work vehicles. Inspection work must be done reliably and safely, so it is important to work carefully following set procedures and to have the attention and observation to notice small changes. Skills in handling cameras and other equipment and organising data are also needed. The work is done in teams, so communicating with those around you is important. Most work is outdoors and sometimes inside pipes, so a certain level of fitness is needed.

Ways in

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Questions people ask

How do I become a Sewer Pipe Inspector?

There are no essential requirements for this job. Studying civil or environmental engineering at university or similar makes the work easier, but the job is not directly linked to schooling, so your subject is rarely asked about when hiring. Mid-career hiring is also rarely limited to experienced people. You travel to sites in work vehicles, so a standard driving licence is often required when you join. You join a company that maintains sewers, a sewer facility operator or a local government's sewer department, and build basic knowledge and skills through training and on the job. At companies specialising in sewer maintenance, after induction training you usually join a team and work towards the qualifications needed for the job while gaining site experience. Once you can take part in specialist surveys, diagnosis and maintenance planning, you may become a team leader or manager. The main qualification for sewer pipe inspection is the sewer pipe management engineer certification scheme of the Japan Sewer Pipeline Maintenance Association, in which the sewer pipe management specialist engineer (survey) mainly covers inspection and survey work. Qualifications covering wider maintenance work are sewer pipe management chief engineer (inspection and diagnosis) and sewer pipe management general engineer (planning, survey and design). Companies also encourage staff to gain the civil engineering works management engineer qualification, used for repair work, and the heavy vehicle licence needed to drive special work vehicles. Inspection work must be done reliably and safely, so it is important to work carefully following set procedures and to have the attention and observation to notice small changes. Skills in handling cameras and other equipment and organising data are also needed. The work is done in teams, so communicating with those around you is important. Most work is outdoors and sometimes inside pipes, so a certain level of fitness is needed.

How much does a Sewer Pipe Inspector earn in Japan?

Average annual income in the private sector, bonus included, is ¥6,249,500 (Ministry of Health, Labour and Welfare). The figure is for the wage survey group Civil engineers, which covers several jobs.

Do you need a degree to become a Sewer Pipe Inspector?

Not always. In this job's census occupation group, 51% of workers are university graduates. Ways in include: Engineering degrees.

Will AI change the work of a Sewer Pipe Inspector?

Generative AI can do relatively little of this work, by the ILO's global estimate.

Sources

独立行政法人労働政策研究・研修機構（JILPT）作成 職業情報データベース 解説系ダウンロードデータ（IPD_DL_description_7_01.xlsx）ver.7.01 職業情報提供サイト（job tag）より2026年10月4日にダウンロード（https://shigoto.mhlw.go.jp/User/download）を加工して作成

独立行政法人労働政策研究・研修機構（JILPT）作成 職業情報データベース 簡易版数値系ダウンロードデータ（IPD_DL_numeric_7_00.xlsx）ver.7.00 職業情報提供サイト（job tag）より2026年10月4日にダウンロード（https://shigoto.mhlw.go.jp/User/download）を加工して作成

Sources: JILPT Occupational Information Database download data via job tag (解説系 ver.7.01 and 簡易版数値系 ver.7.00, downloaded 4 October 2026), processed by Peernovo; MHLW, Basic Survey on Wage Structure 2025; Statistics Bureau of Japan, 2020 Population Census; MEXT, School Basic Survey 2025; MHLW, Employment Referrals for General Workers (Hello Work statistics). Figures processed by Peernovo. English job names, translations and the matching of jobs to statistical groups, schools and degree fields by Peernovo.

Updated 4 October 2026