5a13be122b
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
112 lines
8.2 KiB
Markdown
112 lines
8.2 KiB
Markdown
---
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type: "Bill"
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title: "Drinking water: microplastics levels."
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description: "Existing law, the California Safe Drinking Water Act, requires the State Water Resources Control Board to administer provisions relating to the regulation of drinking water to protect public health. Existing law requires the state board to adopt a definition of microplastics in drinking water and to adopt a standard methodology to be used in the testing of drinking water for microplastics and requirements for 4 years of testing and reporting of microplastics in drinking water, including public disclosure of those results."
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jurisdiction: "us/states/ca"
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legislature: "California Legislature"
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session: "20232024"
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identifier: "SB 1147"
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citation: "California SB 1147 (20232024)"
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classification: ["bill"]
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subjects: ["Drinking water", "microplastics levels"]
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status: "enacted"
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primary_sponsors: ["Portantino"]
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version_count: 8
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action_count: 33
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vote_count: 10
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first_action: "2024-02-14"
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last_action: "2024-09-28"
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source: "openstates"
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source_identifier: "ocd-bill/a3c628b3-1bb7-4acf-8de1-db50e553486a"
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source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB1147"
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source_hash: "5527477524772a75370156fe292db70eab21144bbbf9432de18ed9f306892a7d"
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vintage: "2026-07-01"
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source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
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retrieved_at: "2026-07-06"
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confidence: "reported"
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tags: ["legislation", "bill", "us-ca"]
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---
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# California SB 1147 (20232024) — Drinking water: microplastics levels.
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Existing law, the California Safe Drinking Water Act, requires the State Water Resources Control Board to administer provisions relating to the regulation of drinking water to protect public health. Existing law requires the state board to adopt a definition of microplastics in drinking water and to adopt a standard methodology to be used in the testing of drinking water for microplastics and requirements for 4 years of testing and reporting of microplastics in drinking water, including public disclosure of those results.
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## Version chain
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The bill's text revisions, in order — the diff chain from filing to enrollment.
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1. **02/14/24 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114799INT)
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2. **04/10/24 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114798AMD)
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3. **06/19/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114797AMD)
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4. **08/19/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114796AMD)
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5. **08/22/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114795AMD)
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6. **09/28/24 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114793CHP)
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7. **SB1147** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240SB1147)
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8. **09/03/24 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240SB1147&version=20230SB114794ENR)
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## Votes
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- Do pass as amended. — **12–1** (pass) · lower
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- Do pass, but first be re-referred to the Committee on [Rules] — **5–0** (pass) · upper
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- Do pass, but first be re-referred to the Committee on [Appropriations] — **9–0** (pass) · upper
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- Unfinished Business SB1147 Portantino et al. Concurrence — **33–4** (pass) · upper
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- Placed on suspense file — **7–0** (pass) · upper
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- Do pass and be re-referred to the Committee on [Appropriations] — **6–0** (pass) · lower
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- Do pass — **5–2** (pass) · upper
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- 3rd Reading SB1147 Portantino et al. — **32–3** (pass) · upper
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- Do pass and be re-referred to the Committee on [Environmental Safety and Toxic Materials] — **14–0** (pass) · lower
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- SB 1147 Portantino Senate Third Reading By Lowenthal — **66–0** (pass) · lower
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## Sponsors
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- Portantino — primary (person)
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- Blakespear — coauthor (person)
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- Gipson — coauthor (person)
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- Low — coauthor (person)
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- Rendon — coauthor (person)
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- Rubio — coauthor (person)
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- Wahab — coauthor (person)
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## Timeline
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The legislative action history — every referral, reading, and vote.
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- **2024-02-14** Introduced. Read first time. To Com. on RLS. for assignment. To print. `introduction, reading-1`
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- **2024-02-15** From printer. May be acted upon on or after March 16.
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- **2024-02-21** Referred to Com. on E.Q. `referral-committee`
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- **2024-03-12** Set for hearing April 17.
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- **2024-04-10** From committee with author's amendments. Read second time and amended. Re-referred to Com. on E.Q. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
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- **2024-04-17** From committee: Do pass and re-refer to Com. on RLS. (Ayes 5. Noes 0. Page 3660.) (April 17). Re-referred to Com. on RLS. `committee-passage, committee-passage-favorable, referral-committee`
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- **2024-04-18** Re-referred to Com. on HEALTH. `referral-committee`
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- **2024-04-22** Set for hearing April 24.
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- **2024-04-25** From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 0. Page 3755.) (April 24). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
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- **2024-05-03** Set for hearing May 13.
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- **2024-05-13** May 13 hearing: Placed on APPR suspense file.
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- **2024-05-14** Set for hearing May 16.
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- **2024-05-16** From committee: Do pass. (Ayes 5. Noes 2. Page 3973.) (May 16). `committee-passage, committee-passage-favorable`
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- **2024-05-16** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2024-05-20** Read third time. Passed. (Ayes 32. Noes 3. Page 4030.) Ordered to the Assembly. `passage, reading-1, reading-3`
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- **2024-05-21** In Assembly. Read first time. Held at Desk. `reading-1`
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- **2024-06-03** Referred to Coms. on E.S. & T.M. and HEALTH. `referral-committee`
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- **2024-06-06** Re-referred to Coms. on HEALTH and E.S. & T.M. pursuant to Assembly Rule 96. `referral-committee`
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- **2024-06-19** From committee: Do pass and re-refer to Com. on E.S. & T.M. (Ayes 14. Noes 0.) (June 18). Re-referred to Com. on E.S. & T.M. `committee-passage, committee-passage-favorable, referral-committee`
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- **2024-06-19** From committee with author's amendments. Read second time and amended. Re-referred to Com. on E.S. & T.M. `amendment-passage, committee-passage, reading-1, reading-2, referral-committee`
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- **2024-06-26** From committee: Do pass and re-refer to Com. on APPR. (Ayes 6. Noes 0.) (June 25). Re-referred to Com. on APPR. `committee-passage, committee-passage-favorable, referral-committee`
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- **2024-08-07** August 7 set for first hearing. Placed on suspense file.
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- **2024-08-15** From committee: Do pass as amended. (Ayes 12. Noes 1.) (August 15). `amendment-passage, committee-passage, committee-passage-favorable`
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- **2024-08-19** Read second time and amended. Ordered to second reading. `amendment-passage, reading-1, reading-2`
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- **2024-08-20** Read second time. Ordered to third reading. `reading-1, reading-2`
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- **2024-08-22** Read third time and amended. `amendment-passage, reading-1, reading-3`
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- **2024-08-22** Ordered to third reading.
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- **2024-08-28** Read third time. Passed. (Ayes 66. Noes 0. Page 6794.) Ordered to the Senate. `passage, reading-1, reading-3`
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- **2024-08-28** In Senate. Concurrence in Assembly amendments pending.
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- **2024-08-29** Assembly amendments concurred in. (Ayes 33. Noes 4. Page 5649.) Ordered to engrossing and enrolling. `amendment-passage, committee-passage-favorable`
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- **2024-09-09** Enrolled and presented to the Governor at 3 p.m.
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- **2024-09-28** Approved by the Governor. `executive-signature`
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- **2024-09-28** Chaptered by Secretary of State. Chapter 881, Statutes of 2024. `became-law`
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## Source
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OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a3c628b3-1bb7-4acf-8de1-db50e553486a`. Confidence: reported (aggregated from official California legislature records).
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