{"data":{"id":"us-va/4vac25-130-817.57","jurisdiction":"us-va","citation":"4VAC25-130-817.57","heading":"Hydrologic balance; stream buffer zones","body":"(a) No land within 100 feet of a perennial stream or an intermittent stream shall be disturbed by underground mining activities, unless the division specifically authorizes underground mining activities closer to, or through, such a stream. The division may authorize such activities only upon finding that -\n\n(1) Underground mining activities will not cause or contribute to the violation of applicable State or Federal water quality standards and will not adversely affect the water quantity and quality or other environmental resources of the stream; and\n\n(2) If there will be a temporary or permanent stream channel diversion, it will comply with 4VAC25-130-817.43.\n\n(b) The area not to be disturbed shall be designated a buffer zone, and the permittee shall mark it as specified in 4VAC25-130-817.11.","path":["Title 4. Conservation And Natural Resources","Agency 25. Department of Energy","Chapter 130. Coal Surface Mining Reclamation Regulations","Part 817. Permanent Program Performance Standards—Underground Mining Activities"],"source_url":"https://law.lis.virginia.gov/admincode/title4/agency25/chapter130/section817.57/","current_through":"2026 Regular Session (effective July 1, 2026)","vintage":"","retrieved_at":"2026-09-14T04:46:18Z","sha256":"2b3707acf7aa8a2bf0ef949e9632f1eb10d2e862575f8387a24d0d4810b0198b","source_id":"us-va-vac","stale":false,"prev":"us-va/4vac25-130-817.56","next":"us-va/4vac25-130-817.59"},"notice":"GroundRules: Original legal text. Not legal advice."}