# The paperwork plumbing work leaves behind, by law

> 3 of 10 provisions read put the record with the plumber or installer who did the work, newest read 31 October 2026.

Sell Plumbing Data to AI · https://sellplumbingdatatoai.com/datasets/plumbing-water-safety-records/ · computed 2026-10-31

**Provisions that put the record with the person doing the work:** 3 of 10 provisions (10 texts read; 12 named).

## The answers, question by question

- **Who holds the record:** the water system or utility 4, the plumber, installer or contractor who did the work 3, not stated 2, the building owner, landlord or person in control of the premises 1
- **What the paperwork is:** test, sample or inspection results 5, a notice, certificate or completion record 2, a risk assessment or monitoring log 2, proof that safe work practices were followed 1
- **How long it is kept:** not stated 7, a set number of years 2, until the next check or replacement 1
- **The provision, in its own words:** stated 7, not stated 3

## Every provision

| Provision | Who holds the record | What the paperwork is | How long it is kept | The provision, in its own words |
|---|---|---|---|---|
| 40 CFR 141.33 | the water system or utility | test, sample or inspection results | a set number of years | Records of chemical analyses made pursuant to this part shall be kept for not less than… |
| 40 CFR 141.84 | the water system or utility | test, sample or inspection results | not stated | All water systems must develop an updated initial inventory, known as the “baseline… |
| 40 CFR 141.86 | the water system or utility | test, sample or inspection results | not stated | not stated |
| 40 CFR 745.86 | the plumber, installer or contractor who did the work | proof that safe work practices were followed | a set number of years | Firms performing renovations must retain and, if requested, make available to EPA all… |
| Building Regulations 2010 reg 20 | the plumber, installer or contractor who did the work | a notice, certificate or completion record | not stated | shall store in a retrievable form copies of the notices and certificates given to it in… |
| EPA Lead and Copper Rule Revisions | the water system or utility | test, sample or inspection results | not stated | not stated |
| Gas Safety Regulations 1998 reg 36(3) | not stated | test, sample or inspection results | until the next check or replacement | The record referred to in paragraph (3)(c) above, or a copy thereof, shall be made… |
| HSE hot and cold water checks | not stated | a risk assessment or monitoring log | not stated | Record the total consumption of cold water of a typical day. |
| HSE L8 Approved Code of Practice | the building owner, landlord or person in control of the premises | a risk assessment or monitoring log | not stated | not stated |
| Water Fittings Regulations 1999 reg 5 | the plumber, installer or contractor who did the work | a notice, certificate or completion record | not stated | shall not begin that work without the consent of that undertaker which shall not be… |

## The sentence each answer rests on (40)

- 40 CFR 141.33, [40 CFR 141.33 Record maintenance](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-D/section-141.33), read 2026-10-08, Who holds the record: "Records of action taken by the system to correct violations of primary drinking water regulations shall be kept for a period not less than 3 years after the last action taken"
- 40 CFR 141.33, [40 CFR 141.33 Record maintenance](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-D/section-141.33), read 2026-10-08, What the paperwork is: "Records of chemical analyses made pursuant to this part shall be kept for not less than 10 years."
- 40 CFR 141.33, [40 CFR 141.33 Record maintenance](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-D/section-141.33), read 2026-10-08, How long it is kept: "Records of microbiological analyses and turbidity analyses made pursuant to this part shall be kept for not less than 5 years."
- 40 CFR 141.33, [40 CFR 141.33 Record maintenance](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-D/section-141.33), read 2026-10-08, The provision, in its own words: "Records of chemical analyses made pursuant to this part shall be kept for not less than 10 years."
- 40 CFR 141.84, [40 CFR 141.84 Service line inventory and replacement requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-J/section-141.84), read 2026-10-31, Who holds the record: "All water systems must develop an updated initial inventory, known as the “baseline inventory”."
- 40 CFR 141.84, [40 CFR 141.84 Service line inventory and replacement requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-J/section-141.84), read 2026-10-31, What the paperwork is: "Water systems that discover a lead or galvanized requiring replacement service line that was previously inventoried as non-lead must update their inventory"
- 40 CFR 141.84, [40 CFR 141.84 Service line inventory and replacement requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-J/section-141.84), read 2026-10-31, How long it is kept: Not addressed: the text read on 2026-10-31 (54,889 characters) is silent on this.
- 40 CFR 141.84, [40 CFR 141.84 Service line inventory and replacement requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-J/section-141.84), read 2026-10-31, The provision, in its own words: "All water systems must develop an updated initial inventory, known as the “baseline inventory”. Systems must submit the baseline inventory to the State by the compliance date"
- 40 CFR 141.86, [40 CFR 141.86 Monitoring requirements for lead and copper in tap water](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-I/section-141.86), read 2026-10-31, Who holds the record: "The water system must collect replacement samples for any samples invalidated under this section"
- 40 CFR 141.86, [40 CFR 141.86 Monitoring requirements for lead and copper in tap water](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-I/section-141.86), read 2026-10-31, What the paperwork is: "The water system must collect replacement samples for any samples invalidated under this section"
- 40 CFR 141.86, [40 CFR 141.86 Monitoring requirements for lead and copper in tap water](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-I/section-141.86), read 2026-10-31, How long it is kept: Not addressed: the text read on 2026-10-31 (37,210 characters) is silent on this.
- 40 CFR 141.86, [40 CFR 141.86 Monitoring requirements for lead and copper in tap water](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-I/section-141.86), read 2026-10-31, The provision, in its own words: Not addressed: the text read on 2026-10-31 (37,210 characters) is silent on this.
- 40 CFR 745.86, [40 CFR 745.86 Recordkeeping and reporting requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-R/part-745/subpart-E/section-745.86), read 2026-10-08, Who holds the record: "Firms performing renovations must retain and, if requested, make available to EPA all records necessary to demonstrate compliance with this subpart"
- 40 CFR 745.86, [40 CFR 745.86 Recordkeeping and reporting requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-R/part-745/subpart-E/section-745.86), read 2026-10-08, What the paperwork is: "all records necessary to demonstrate compliance with this subpart for a period of 3 years following completion of the renovation"
- 40 CFR 745.86, [40 CFR 745.86 Recordkeeping and reporting requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-R/part-745/subpart-E/section-745.86), read 2026-10-08, How long it is kept: "for a period of 3 years following completion of the renovation"
- 40 CFR 745.86, [40 CFR 745.86 Recordkeeping and reporting requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-R/part-745/subpart-E/section-745.86), read 2026-10-08, The provision, in its own words: "Firms performing renovations must retain and, if requested, make available to EPA all records necessary to demonstrate compliance with this subpart for a period of 3 years following completion of the renovation."
- Building Regulations 2010 reg 20, [Building Regulations 2010 regulation 20](https://www.legislation.gov.uk/uksi/2010/2214/regulation/20), read 2026-10-08, Who holds the record: "the person carrying out the work shall, not more than 30 days after the completion of the work"
- Building Regulations 2010 reg 20, [Building Regulations 2010 regulation 20](https://www.legislation.gov.uk/uksi/2010/2214/regulation/20), read 2026-10-08, What the paperwork is: "are authorised to accept, as evidence that the requirements of regulations 4 and 7 have been satisfied, a certificate to that effect by the person carrying out the work."
- Building Regulations 2010 reg 20, [Building Regulations 2010 regulation 20](https://www.legislation.gov.uk/uksi/2010/2214/regulation/20), read 2026-10-08, How long it is kept: Not addressed: the text read on 2026-10-08 (22,062 characters) is silent on this.
- Building Regulations 2010 reg 20, [Building Regulations 2010 regulation 20](https://www.legislation.gov.uk/uksi/2010/2214/regulation/20), read 2026-10-08, The provision, in its own words: "shall store in a retrievable form copies of the notices and certificates given to it in accordance with paragraph (3)(b)."
- EPA Lead and Copper Rule Revisions, [EPA Revised Lead and Copper Rule](https://www.epa.gov/ground-water-and-drinking-water/revised-lead-and-copper-rule), read 2026-10-31, Who holds the record: "requirements that public water systems must comply with starting on October 16, 2024"
- EPA Lead and Copper Rule Revisions, [EPA Revised Lead and Copper Rule](https://www.epa.gov/ground-water-and-drinking-water/revised-lead-and-copper-rule), read 2026-10-31, What the paperwork is: "These requirements include the initial service line inventory"
- EPA Lead and Copper Rule Revisions, [EPA Revised Lead and Copper Rule](https://www.epa.gov/ground-water-and-drinking-water/revised-lead-and-copper-rule), read 2026-10-31, How long it is kept: Not addressed: the text read on 2026-10-31 (8,075 characters) is silent on this.
- EPA Lead and Copper Rule Revisions, [EPA Revised Lead and Copper Rule](https://www.epa.gov/ground-water-and-drinking-water/revised-lead-and-copper-rule), read 2026-10-31, The provision, in its own words: Not addressed: the text read on 2026-10-31 (8,075 characters) is silent on this.
- Gas Safety Regulations 1998 reg 36(3), [Gas Safety (Installation and Use) Regulations 1998 regulation 36](https://www.legislation.gov.uk/uksi/1998/2451/regulation/36), read 2026-10-31, Who holds the record: Not addressed: the text read on 2026-10-31 (14,404 characters) is silent on this.
- Gas Safety Regulations 1998 reg 36(3), [Gas Safety (Installation and Use) Regulations 1998 regulation 36](https://www.legislation.gov.uk/uksi/1998/2451/regulation/36), read 2026-10-31, What the paperwork is: "ensure that a record in respect of any appliance or flue so checked is made and retained"
- Gas Safety Regulations 1998 reg 36(3), [Gas Safety (Installation and Use) Regulations 1998 regulation 36](https://www.legislation.gov.uk/uksi/1998/2451/regulation/36), read 2026-10-31, How long it is kept: "until there have been two further checks of the appliance or flue under this paragraph"
- Gas Safety Regulations 1998 reg 36(3), [Gas Safety (Installation and Use) Regulations 1998 regulation 36](https://www.legislation.gov.uk/uksi/1998/2451/regulation/36), read 2026-10-31, The provision, in its own words: "The record referred to in paragraph (3)(c) above, or a copy thereof, shall be made available upon request and upon reasonable notice for the inspection of any person in lawful occupation of relevant premises"
- HSE hot and cold water checks, [HSE Hot and cold water systems: things to consider](https://www.hse.gov.uk/legionnaires/things-to-consider.htm), read 2026-10-03, Who holds the record: Not addressed: the text read on 2026-10-03 (12,243 characters) is silent on this.
- HSE hot and cold water checks, [HSE Hot and cold water systems: things to consider](https://www.hse.gov.uk/legionnaires/things-to-consider.htm), read 2026-10-03, What the paperwork is: "Check the temperature at ball valve outlet every 6 months and record any findings."
- HSE hot and cold water checks, [HSE Hot and cold water systems: things to consider](https://www.hse.gov.uk/legionnaires/things-to-consider.htm), read 2026-10-03, How long it is kept: Not addressed: the text read on 2026-10-03 (12,243 characters) is silent on this.
- HSE hot and cold water checks, [HSE Hot and cold water systems: things to consider](https://www.hse.gov.uk/legionnaires/things-to-consider.htm), read 2026-10-03, The provision, in its own words: "Record the total consumption of cold water of a typical day."
- HSE L8 Approved Code of Practice, [HSE L8 Legionnaires disease: the control of legionella bacteria in water systems](https://www.hse.gov.uk/pubns/books/l8.htm), read 2026-10-31, Who holds the record: "This book is aimed at dutyholders, including employers, those in control of premises and those with health and safety responsibilities for others"
- HSE L8 Approved Code of Practice, [HSE L8 Legionnaires disease: the control of legionella bacteria in water systems](https://www.hse.gov.uk/pubns/books/l8.htm), read 2026-10-31, What the paperwork is: "These include identifying and assessing sources of risk, preparing a scheme to prevent or control risk"
- HSE L8 Approved Code of Practice, [HSE L8 Legionnaires disease: the control of legionella bacteria in water systems](https://www.hse.gov.uk/pubns/books/l8.htm), read 2026-10-31, How long it is kept: Not addressed: the text read on 2026-10-31 (2,777 characters) is silent on this.
- HSE L8 Approved Code of Practice, [HSE L8 Legionnaires disease: the control of legionella bacteria in water systems](https://www.hse.gov.uk/pubns/books/l8.htm), read 2026-10-31, The provision, in its own words: Not addressed: the text read on 2026-10-31 (2,777 characters) is silent on this.
- Water Fittings Regulations 1999 reg 5, [Water Supply (Water Fittings) Regulations 1999 regulation 5](https://www.legislation.gov.uk/uksi/1999/1148/regulation/5), read 2026-10-31, Who holds the record: "any person who proposes to instal a water fitting in connection with any of the operations listed in the Table below"
- Water Fittings Regulations 1999 reg 5, [Water Supply (Water Fittings) Regulations 1999 regulation 5](https://www.legislation.gov.uk/uksi/1999/1148/regulation/5), read 2026-10-31, What the paperwork is: "shall give notice to the water undertaker that he proposes to begin work;"
- Water Fittings Regulations 1999 reg 5, [Water Supply (Water Fittings) Regulations 1999 regulation 5](https://www.legislation.gov.uk/uksi/1999/1148/regulation/5), read 2026-10-31, How long it is kept: Not addressed: the text read on 2026-10-31 (8,085 characters) is silent on this.
- Water Fittings Regulations 1999 reg 5, [Water Supply (Water Fittings) Regulations 1999 regulation 5](https://www.legislation.gov.uk/uksi/1999/1148/regulation/5), read 2026-10-31, The provision, in its own words: "shall not begin that work without the consent of that undertaker which shall not be withheld unreasonably; and"

## Read and set aside

- [Water Supply (Water Fittings) Regulations 1999 schedule 2](https://www.legislation.gov.uk/uksi/1999/1148/schedule/2): schedule 2 sets the fittings requirements themselves; the stored read carries no record or notice duty
- [COSHH Regulations 2002 regulation 7](https://www.legislation.gov.uk/uksi/2002/2677/regulation/7): the stored read of COSHH regulation 7 carries the regulation's control measures, with no record-keeping duty for water work in the paragraphs read

## Methodology

Each provision's own eCFR, EPA, legislation.gov.uk and HSE texts on water and gas work were read through estate-fetch and stored whole (sha256 on every row). For every text, four questions were answered from its own words: who holds the record, what the paperwork is, how long it is kept, the provision, in its own words. Every stated answer carries the sentence it rests on, checked against the stored text; 'not stated' means the text read does not address the question. A provision with several texts reads 'varies' where they disagree. 10 provisions, 10 texts.

## Sources

- [40 CFR 141.84 Service line inventory and replacement requirements](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-J/section-141.84) (read)
- [40 CFR 141.86 Monitoring requirements for lead and copper in tap water](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-I/section-141.86) (read)
- [40 CFR 141.33 Record maintenance](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-D/part-141/subpart-D/section-141.33) (read)
- [EPA Revised Lead and Copper Rule](https://www.epa.gov/ground-water-and-drinking-water/revised-lead-and-copper-rule) (read)
- [40 CFR 745.86 Recordkeeping and reporting requirements (renovation)](https://www.ecfr.gov/current/title-40/chapter-I/subchapter-R/part-745/subpart-E/section-745.86) (read)
- [Water Supply (Water Fittings) Regulations 1999 regulation 5](https://www.legislation.gov.uk/uksi/1999/1148/regulation/5) (read)
- [Water Supply (Water Fittings) Regulations 1999 schedule 2](https://www.legislation.gov.uk/uksi/1999/1148/schedule/2) (not-terms)
- [Gas Safety (Installation and Use) Regulations 1998 regulation 36](https://www.legislation.gov.uk/uksi/1998/2451/regulation/36) (read)
- [HSE Hot and cold water systems: things to consider](https://www.hse.gov.uk/legionnaires/things-to-consider.htm) (read)
- [HSE L8 Legionnaires' disease: the control of legionella bacteria in water systems](https://www.hse.gov.uk/pubns/books/l8.htm) (read)
- [COSHH Regulations 2002 regulation 7](https://www.legislation.gov.uk/uksi/2002/2677/regulation/7) (not-terms)
- [Building Regulations 2010 regulation 20](https://www.legislation.gov.uk/uksi/2010/2214/regulation/20) (read)

## Cite or embed

- 3 of 10 provisions read put the record with the plumber or installer who did the work, newest read 31 October 2026.
- Who holds the record, by provision: the water system or utility 4 of 10, the plumber, installer or contractor who did the work 3 of 10, not stated 2 of 10, the building owner, landlord or person in control of the premises 1 of 10 (10 provisions, read 31 October 2026).
- What the paperwork is, by provision: test, sample or inspection results 5 of 10, a notice, certificate or completion record 2 of 10, a risk assessment or monitoring log 2 of 10, proof that safe work practices were followed 1 of 10 (10 provisions, read 31 October 2026).
- How long it is kept, by provision: not stated 7 of 10, a set number of years 2 of 10, until the next check or replacement 1 of 10 (10 provisions, read 31 October 2026).
- The provision, in its own words, by provision: stated 7 of 10, not stated 3 of 10 (10 provisions, read 31 October 2026).

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