---
type: "Bill"
title: "WATER QUALITY – Adds to existing law to provide for water quality innovation and pollutant trading."
description: "WATER QUALITY – Adds to existing law to provide for water quality innovation and pollutant trading."
jurisdiction: "us/states/id"
legislature: "Idaho Legislature"
session: "2021"
identifier: "H 99"
citation: "Idaho H 99 (2021)"
classification: ["bill"]
subjects: ["ENVIRONMENT", "WATER"]
status: "enacted"
primary_sponsors: []
version_count: 1
action_count: 21
vote_count: 2
first_action: "2021-02-05"
last_action: "2021-03-19"
source: "openstates"
source_identifier: "ocd-bill/6477c2c8-1f6b-4929-b169-172409d3578a"
source_url: "https://legislature.idaho.gov/sessioninfo/2021/legislation/H0099/"
source_hash: "11dfa8839e7e30cfd0c5a71e50e0fc9b17e429bd6049e3e8cbafee104e2006dd"
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-id"]
---

# Idaho H 99 (2021) — WATER QUALITY – Adds to existing law to provide for water quality innovation and pollutant trading.

## Version chain

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

1. **Bill Text** (committee substitute) — [source](https://legislature.idaho.gov/wp-content/uploads/sessioninfo/2021/legislation/H0099.pdf)

## Votes

- Read Third Time in Full – Previously Read in Full – — **66–3** (pass) · upper
- Read third time in full – — **33–0** (pass) · lower

## Sponsors

- ENVIRONMENT, ENERGY AND TECHNOLOGY COMMITTEE — primary (organization)

## Timeline

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

- **2021-02-05** Introduced, read first time, referred to JRA for Printing `introduction`
- **2021-02-08** Reported Printed and Referred to Environment, Energy & Technology
- **2021-02-19** Reported out of Committee with Do Pass Recommendation, Filed for Second Reading `committee-passage-favorable`
- **2021-02-22** Read second time; Filed for Third Reading
- **2021-02-23** U.C. to hold place on third reading calendar one legislative day
- **2021-02-24** U.C. to hold place on third reading calendar one legislative day
- **2021-02-25** U.C. to hold place on third reading calendar one legislative day
- **2021-02-26** U.C. to hold place on third reading calendar until Monday, March 1, 2021
- **2021-03-01** Read Third Time in Full – Previously Read in Full – PASSED - 66-3-1AYES – Addis, Andrus, Armstrong, Barbieri, Berch, Blanksma, Boyle, Bundy, Cannon, Chaney, Chew, Christensen, Clow, Crane, Davis, DeMordaunt, Dixon, Ehardt, Erickson, Ferch, Furniss, Galloway, Gannon, Gestrin, Gibbs, Giddings, Green, Hanks, Harris, Hartgen, Holtzclaw, Horman, Kauffman, Kerby, Kingsley, Lickley, Manwaring, Marshall, Mathias, McCrostie, Mendive, Mitchell, Monks, Moon, Moyle, Nash, Necochea, Nichols, Okuniewicz, Palmer, Rubel, Ruchti, Scott, Shepherd, Skaug, Syme, Toone, Troy, Vander Woude, von Ehlinger, Weber, Wood, Yamamoto, Young, Youngblood, Mr. SpeakerNAYS – Adams, Nate, WisniewskiAbsent – AmadorFloor Sponsor - Vander WoudeTitle apvd - to Senate `passage, reading-3`
- **2021-03-02** Received from the House passed; filed for first reading
- **2021-03-02** Introduced, read first time; referred to: Resources & Environment `introduction`
- **2021-03-04** Reported out of Committee with Do Pass Recommendation; Filed for second reading `committee-passage-favorable`
- **2021-03-05** Read second time; filed for Third Reading
- **2021-03-15** Read third time in full – PASSED - 33-0-2AYES – Agenbroad, Anthon, Bair, Bayer, Burgoyne, Burtenshaw, Cook, Crabtree, Den Hartog, Grow, Guthrie, Harris, Heider, Johnson, Lee, Lent, Lodge, Martin, Nelson, Nye, Patrick, Rabe, Ricks, Riggs, Souza, Stennett, Thayn, Vick, Ward-Engelking, Winder, Wintrow, Woodward, ZitoNAYS – NoneAbsent and excused – Lakey, RiceFloor Sponsor - PatrickTitle apvd - to House `passage, reading-3`
- **2021-03-16** Returned from Senate Passed; to JRA for Enrolling
- **2021-03-17** Reported Enrolled; Signed by Speaker; Transmitted to Senate
- **2021-03-18** Received from the House enrolled/signed by Speaker
- **2021-03-18** Signed by President; returned to House
- **2021-03-19** Returned Signed by the President; Ordered Transmitted to Governor
- **2021-03-19** Delivered to Governor at 12:40 p.m. on March 19, 2021
- **2021-03-19** Reported Signed by Governor on March 19, 2021 Session Law Chapter 94 Effective: 07/01/2021 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6477c2c8-1f6b-4929-b169-172409d3578a`. Confidence: reported (aggregated from official Idaho legislature records).