---
type: "Bill"
title: "Water Pollution - As enacted, makes revisions to the Water Quality Control Act. - Amends TCA Title 69, Chapter 3, Part 1."
description: "Water Pollution - As enacted, makes revisions to the Water Quality Control Act. - Amends TCA Title 69, Chapter 3, Part 1."
jurisdiction: "us/states/tn"
legislature: "Tennessee General Assembly"
session: "113"
identifier: "SB 407"
citation: "Tennessee SB 407 (113)"
classification: ["bill"]
subjects: ["Water Pollution"]
status: "enacted"
primary_sponsors: ["Hensley"]
version_count: 3
action_count: 21
vote_count: 3
first_action: "2023-01-24"
last_action: "2023-05-17"
source: "openstates"
source_identifier: "ocd-bill/56a5151f-0d2c-4a5b-960c-56267827ef66"
source_url: "http://wapp.capitol.tn.gov/apps/BillInfo/default.aspx?BillNumber=SB0407&GA=113"
source_hash: "4875fb88314b9cc61b7fe600f31ecdb84578adc6140e1f45ff3f7828071224a1"
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-tn"]
---

# Tennessee SB 407 (113) — Water Pollution - As enacted, makes revisions to the Water Quality Control Act. - Amends TCA Title 69, Chapter 3, Part 1.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Amendment HA0291** (committee substitute) — [source](https://www.capitol.tn.gov/Bills/113/Amend/HA0291.pdf)
2. **Amendment SA0144** (committee substitute) — [source](https://www.capitol.tn.gov/Bills/113/Amend/SA0144.pdf)
3. **Current Version** (committee substitute) — [source](https://www.capitol.tn.gov/Bills/113/Bill/SB0407.pdf)

## Votes

- SENATE ENERGY, AGRICULTURE AND NATURAL RESOURCES COMMITTEE: Recommended for passage with amendment/s, refer to Senate Calendar Committee Ayes 7, Nays 2 PNV 0 3/8/2023 Passed — **7–2** (pass) · upper
- FLOOR VOTE: REGULAR CALENDAR PASSAGE ON THIRD CONSIDERATION 4/19/2023 Passed (1) — **93–3** (pass) · lower
- FLOOR VOTE: as Amended Third Consideration 3/16/2023 Passed (1) — **26–7** (pass) · upper

## Sponsors

- Hensley — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-01-24** Filed for introduction `filing`
- **2023-01-25** Introduced, Passed on First Consideration `introduction`
- **2023-01-26** Passed on Second Consideration, refer to Senate Energy, Ag., and Nat. Resources Committee `passage`
- **2023-03-02** Placed on Senate Energy, Ag., and Nat. Resources Committee calendar for 3/8/2023
- **2023-03-02** Rule #83(8) Suspended, to be heard in EA&NR Comm. 3-8-23
- **2023-03-08** Recommended for passage with amendment/s, refer to Senate Calendar Committee Ayes 7, Nays 2 PNV 0
- **2023-03-14** Placed on Senate Regular Calendar for 3/16/2023
- **2023-03-16** Engrossed; ready for transmission to House `receipt`
- **2023-03-16** Passed Senate as amended, Ayes 26, Nays 7 `passage`
- **2023-03-16** Senate adopted Amendment (Amendment 1 - SA0144)
- **2023-03-20** Rcvd. from S., held on H. desk.
- **2023-04-19** Passed H., Ayes 93, Nays 3, PNV 0 `passage`
- **2023-04-19** Am. withdrawn. (Amendment 1 - HA0291) `amendment-withdrawal`
- **2023-04-19** Subst. for comp. HB. `substitution`
- **2023-04-20** Enrolled and ready for signatures `enrolled`
- **2023-04-21** Signed by Senate Speaker `passage`
- **2023-04-25** Signed by H. Speaker `passage`
- **2023-04-26** Transmitted to Governor for action. `executive-receipt`
- **2023-05-05** Signed by Governor. `executive-signature`
- **2023-05-17** Effective date(s) 05/05/2023
- **2023-05-17** Pub. Ch. 342

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/56a5151f-0d2c-4a5b-960c-56267827ef66`. Confidence: reported (aggregated from official Tennessee legislature records).