# WAC 25-42-050: WAC 25-42-050. Agency policy—Substantive authority and mitigation

> Washington · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_050

## Section

- **Citation:** WAC 25-42-050
- **Heading:** WAC 25-42-050. Agency policy—Substantive authority and mitigation
- **Jurisdiction:** Washington
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Washington Administrative Code / Title 25 / Chapter 25-42 / Section 25-42-050

## Text

(1) It is the policy of the department to avoid or mitigate adverse environmental impacts which may result from its decisions.
(2) If an action is subject to SEPA, including an activity or activities requiring a permit from the department, and is reasonably likely to have an adverse environmental impact as identified in an environmental document, the department will:
(a) Require reasonable alternatives to the action and/or proven measures which will mitigate or eliminate the identified potential adverse impact, and make such alternatives and/or proven mitigation measures conditions of the department's approval; or
(b) Deny the proposal if significant adverse impacts as identified in a final or supplemental environmental impact statement prepared under chapter 197-11 WAC are not satisfactorily avoided or mitigated by proven techniques.

## Nearby sections

- [WAC 25-42-010 WAC 25-42-010. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_010.md)
- [WAC 25-42-020 WAC 25-42-020. Impact of SEPA on department](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_020.md)
- [WAC 25-42-030 WAC 25-42-030. Purpose](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_030.md)
- [WAC 25-42-040 WAC 25-42-040. Scope and coverage of this chapter](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_040.md)
- [WAC 25-42-050 WAC 25-42-050. Agency policy—Substantive authority and mitigation](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_050.md)
- [WAC 25-42-060 WAC 25-42-060. Timing of the SEPA process](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_060.md)
- [WAC 25-42-070 WAC 25-42-070. Summary of information which may be required of an applicant](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_070.md)
- [WAC 25-42-080 WAC 25-42-080. Assumption of lead agency status](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_080.md)
- [WAC 25-42-090 WAC 25-42-090. Designation of responsible official](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_090.md)
- [WAC 25-42-100 WAC 25-42-100. Mitigated DNS](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_100.md)
- [WAC 25-42-110 WAC 25-42-110. SEPA public information center](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_110.md)
- [WAC 25-42-120 WAC 25-42-120. Public notice](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_120.md)
- [WAC 25-42-130 WAC 25-42-130. Severability](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_130.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_25_42_050. Check the current official text before relying on it. Not legal advice.