Legislation: batch C — MO MS MT NC ND NE NH NJ NM NV

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/mt/2021/sb-54.md

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+---
+type: "Bill"
+title: "Require reviews of experimental on-site wastewater treatment systems"
+description: "Require reviews of experimental on-site wastewater treatment systems"
+jurisdiction: "us/states/mt"
+legislature: "Montana Legislature"
+session: "2021"
+identifier: "SB 54"
+citation: "Montana SB 54 (2021)"
+classification: ["bill"]
+subjects: ["Environmental Protection", "Local Government (see also: City Subjects; County Subjects)"]
+status: "enacted"
+primary_sponsors: ["Jason W Ellsworth"]
+version_count: 3
+action_count: 39
+vote_count: 6
+first_action: "2020-09-21"
+last_action: "2021-03-02"
+source: "openstates"
+source_identifier: "ocd-bill/b4e6a474-5dd4-49ce-8fd5-b26c689916e2"
+source_url: "http://laws.leg.mt.gov/legprd/LAW0210W$BSIV.ActionQuery?P_BILL_NO1=54&P_BLTP_BILL_TYP_CD=SB&Z_ACTION=Find&P_SESS=20211"
+source_hash: "14ee30a4e681f5b29bae18269270ba78763b7fb9ea9888f38ab271bee8678dff"
+vintage: "2026-07-01"
+source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
+retrieved_at: "2026-07-06"
+confidence: "reported"
+tags: ["legislation", "bill", "us-mt"]
+---
+
+# Montana SB 54 (2021) — Require reviews of experimental on-site wastewater treatment systems
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **SB0054_1.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/SB0099//SB0054_1.pdf)
+2. **SB0054_X.pdf** (committee substitute) — [source](https://leg.mt.gov/bills/2021/SB0099//SB0054_X.pdf)
+3. **Enrolled** (enrolled) — [source](https://leg.mt.gov/bills/2021/billpdf/SB0054.pdf)
+
+## Votes
+
+- Do Pass — **50–0** (pass) · upper
+- Do Concur — **100–0** (pass) · lower
+- Do Concur — **100–0** (pass) · lower
+- BE CONCURRED IN — **17–0** (pass) · lower
+- DO PASS — **10–0** (pass) · upper
+- Do Pass — **50–0** (pass) · upper
+
+## Sponsors
+
+- Jason W Ellsworth — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2020-09-21** Draft Request Received
+- **2020-09-29** Draft in Legal Review
+- **2020-10-26** Draft in Edit
+- **2020-11-09** Draft to Drafter - Edit Review
+- **2020-11-10** Draft in Input/Proofing
+- **2020-11-24** Draft in Final Drafter Review
+- **2020-11-24** Bill Draft Text Available Electronically
+- **2020-11-25** Executive Director Review
+- **2020-11-25** Draft in Assembly
+- **2020-12-15** Introduced Bill Text Available Electronically
+- **2020-12-15** Introduced `introduction`
+- **2020-12-23** Referred to Committee - (S) Local Government `referral-committee`
+- **2021-01-04** First Reading `reading-1`
+- **2021-01-13** Hearing - (S) Local Government
+- **2021-01-13** Committee Executive Action--Bill Passed - (S) Local Government `committee-passage`
+- **2021-01-14** Committee Report--Bill Passed - (S) Local Government `committee-passage`
+- **2021-01-25** Scheduled for 2nd Reading
+- **2021-01-25** 2nd Reading Passed `reading-2`
+- **2021-01-26** Scheduled for 3rd Reading
+- **2021-01-26** 3rd Reading Passed `passage, reading-3`
+- **2021-01-26** Transmitted to House
+- **2021-01-28** Referred to Committee - (H) Local Government `referral-committee`
+- **2021-01-28** First Reading `reading-1`
+- **2021-02-11** Hearing - (H) Local Government
+- **2021-02-11** Committee Executive Action--Bill Concurred - (H) Local Government
+- **2021-02-12** Committee Report--Bill Concurred - (H) Local Government
+- **2021-02-17** Scheduled for 2nd Reading
+- **2021-02-17** 2nd Reading Concurred `reading-2`
+- **2021-02-18** Scheduled for 3rd Reading
+- **2021-02-18** 3rd Reading Concurred `passage, reading-3`
+- **2021-02-18** Returned to Senate
+- **2021-02-19** Sent to Enrolling
+- **2021-02-23** Returned from Enrolling
+- **2021-02-23** Printed - Enrolled Version Available
+- **2021-02-25** Signed by President
+- **2021-02-25** Signed by Speaker
+- **2021-02-25** Transmitted to Governor `executive-receipt`
+- **2021-03-02** Signed by Governor `executive-signature`
+- **2021-03-02** Chapter Number Assigned `became-law`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b4e6a474-5dd4-49ce-8fd5-b26c689916e2`. Confidence: reported (aggregated from official Montana legislature records).
+