# Idaho H 0593: DEPARTMENT OF ENVIRONMENTAL QUALITY – Amends and repeals existing law to remove reference to outdated or unnecessary provisions. Idaho H 0593, DEPARTMENT OF ENVIRONMENTAL QUALITY – Amends and repeals existing law to remove reference to outdated or unnecessary provisions., is a 2026 regular legislative session House bill sponsored by ENVIRONMENT, ENERGY AND TECHNOLOGY COMMITTEE; status signed, last action 2026-03-23 (Reported Signed by Governor on March 20, 2026 Session Law Chapter 87 Effective: 07/01/2026) (as of 2026-10-11). - Canonical: https://policyrisk.com/state-bill/ID-H0593-2026 - As of: 2026-10-11 - Plain-text twin of the page above; the HTML and this file carry the same facts. ## Facts - Bill: Idaho H 0593 - State: Idaho - Session: 2026 regular legislative session - Title: DEPARTMENT OF ENVIRONMENTAL QUALITY – Amends and repeals existing law to remove reference to outdated or unnecessary provisions. - Status: signed - Chamber: House - Introduced: 2026-02-05 - Last action: 2026-03-23, Reported Signed by Governor on March 20, 2026 Session Law Chapter 87 Effective: 07/01/2026 - Sponsor: ENVIRONMENT, ENERGY AND TECHNOLOGY COMMITTEE - Cosponsors: 2 - Subjects: DEPARTMENT OF ENVIRONMENTAL QUALITY - Touches household money: no - Roll calls: 2 (102 yes, 0 no in all) - Economic provisions PRIA read: 3 ## Summary No summary available. ## Bill overview: provisions PRIA read - New licensing rules for waste facilities: mixed, low. Beginning July 1, 2026, DEQ cannot license a hazardous‑waste treatment, storage, or disposal facility unless the action matches the state hazardous‑waste management plan. The director can exempt classes or categories when it is in the public interest and consistent with law. Any exemption must be s… - Big Payette Lake rules repealed: mixed, low. Beginning July 1, 2026, Idaho repeals the Big Payette Lake water‑quality chapter. Any duties, rights, or obligations created only by that chapter end. The law does not name a replacement in this act. - DEQ takes lead on hazardous waste: mixed, low. Beginning July 1, 2026, the Idaho Department of Environmental Quality (DEQ) alone oversees hazardous‑waste work under state law. The law repeals the old state planning committee and the related plan sections. It updates key terms and ties them to DEQ and federal permit standards. This streamlines w… ## Sponsors and cosponsors - Sponsor: ENVIRONMENT, ENERGY AND TECHNOLOGY COMMITTEE - Cosponsor: Heather Scott (Republican), House - Cosponsor: Carrie Semmelroth (Democratic), Senate ## Roll call votes | Date | Chamber | Motion | Result | Yes | No | Other | | --- | --- | --- | --- | --- | --- | --- | | 2026-03-17 | Senate | Senate Floor Vote | pass | 34 | 0 | | | 2026-03-05 | House | House Floor Vote | pass | 68 | 0 | | ## Actions (17) - 2026-03-23: Reported Signed by Governor on March 20, 2026 Session Law Chapter 87 Effective: 07/01/2026 - 2026-03-20: Delivered to Governor at 4:32 p.m. on March 19, 2026 - 2026-03-19: Returned Signed by the President; Ordered Transmitted to Governor (Senate) - 2026-03-19: Signed by President; returned to House (Senate) - 2026-03-19: Received from the House enrolled/signed by Speaker (Senate) - 2026-03-18: Reported Enrolled; Signed by Speaker; Transmitted to Senate (House) - 2026-03-18: Returned from Senate Passed; to JRA for Enrolling (House) - 2026-03-17: Read third time in full – PASSED - 34-0-1 (Senate) - 2026-03-16: Read second time; filed for Third Reading (Senate) - 2026-03-13: Reported out of Committee with Do Pass Recommendation; Filed for second reading (Senate) - 2026-03-06: Introduced, read first time; referred to: Health & Welfare (Senate) - 2026-03-06: Received from the House passed; filed for first reading (Senate) - 2026-03-05: Read Third Time in Full – PASSED - 68-0-2 (House) - 2026-03-04: Read second time; Filed for Third Reading (House) - 2026-03-03: Reported out of Committee with Do Pass Recommendation, Filed for Second Reading (House) - 2026-02-06: Reported Printed and Referred to Environment, Energy & Technology (House) - 2026-02-05: Introduced, read first time, referred to JRA for Printing (House) ## Bill text - Bill Text: [PDF](https://legislature.idaho.gov/wp-content/uploads/sessioninfo/2026/legislation/H0593.pdf) ## Related bills - H 0939: HUNTING – Amends existing law regarding the use of certain technologies. (signed) - H 0810: ELECTIONS – Amends existing law to provide certain physical presence requirements for state representatives and senators. (signed) - S 1356: SINGLE COUNTYWIDE HIGHWAY DISTRICTS – Amends existing law to revise provisions regarding the election of commissioners in certain single countywide highway dis… (signed) - S 1359: VIRTUAL CURRENCY KIOSK FRAUD PREVENTION ACT – Adds to existing law to establish the Virtual Currency Kiosk Fraud Prevention Act. (vetoed) - S 1362: APPROPRIATIONS – PUBLIC SCHOOLS – Relates to the appropriation to the Public Schools Educational Support Program for fiscal year 2027. (signed) - S 1448: MINORS – Amends existing law to revise provisions regarding material harmful to minors. (signed) ## Sources - [Bill Text (PDF)](https://legislature.idaho.gov/wp-content/uploads/sessioninfo/2026/legislation/H0593.pdf) ## Related - [H 0939: HUNTING – Amends existing law regarding the use of certain technologies.](https://policyrisk.com/state-bill/ID-H0939-2026) - [H 0810: ELECTIONS – Amends existing law to provide certain physical presence requiremen…](https://policyrisk.com/state-bill/ID-H0810-2026) - [S 1356: SINGLE COUNTYWIDE HIGHWAY DISTRICTS – Amends existing law to revise provisions…](https://policyrisk.com/state-bill/ID-S1356-2026) - [S 1359: VIRTUAL CURRENCY KIOSK FRAUD PREVENTION ACT – Adds to existing law to establish…](https://policyrisk.com/state-bill/ID-S1359-2026) - [S 1362: APPROPRIATIONS – PUBLIC SCHOOLS – Relates to the appropriation to the Public Sc…](https://policyrisk.com/state-bill/ID-S1362-2026) - [S 1448: MINORS – Amends existing law to revise provisions regarding material harmful to…](https://policyrisk.com/state-bill/ID-S1448-2026) - [Idaho bills](https://policyrisk.com/states/idaho/bills) - [Idaho state hub](https://policyrisk.com/states/idaho) - [All state legislation](https://policyrisk.com/state-bills) Source: PRIA, https://policyrisk.com/state-bill/ID-H0593-2026 (as of 2026-10-11).