"Since you are in the Carvins Cove area, the "worth it" calculation changes significantly. Because this is a primary watershed for the Western Virginia Water Authority (WVWA), you are subject to much stricter environmental oversight than a typical homeowner. 1. The Watershed Factor (Carvins Cove) The 12,700-acre Carvins Cove Natural Reserve is the second-largest municipal park in the US, and its watershed supplies drinking water for the entire Roanoke Valley. High Risk for DIY: In a protected watershed, "illicit discharges" are a major concern. Any system that could potentially leak grey water into local streams or the reservoir would violate the State Water Control Law. Stricter Monitoring: The WVWA and Virginia Department of Health (VDH) monitor this area closely. While a "Laundry-to-Landscape" system is usually the easiest DIY entry point, in a sensitive watershed like yours, even this may require a permit to ensure no runoff reaches the reservoir. 2. Virginia Regulations & Permits In Virginia, grey water is strictly defined and regulated under the Virginia Department of Health (VDH) and the Statewide Building Code. Permit Required: Unlike some states that allow simple systems without paperwork, Virginia law generally requires a construction permit from the State Health Commissioner before installing or using a grey water system. Design Standards: The system must be designed to ensure that untreated grey water never reaches the ground surface. For irrigation, Virginia typically requires subsurface systems to prevent human or pet contact with the water. Local Contact: Since you are in Roanoke County, your well and septic applications (which include grey water diversion) are handled by the Roanoke City Health Department (located on Williamson Road). 3. Is it worth it for a Hokie fan in Roanoke? Given your background in home maintenance and your location: Pros: It’s a great way to maintain your landscaping during Stage 3 Emergency Water Restrictions, which the WVWA can trigger during droughts. Under these rules, outdoor watering is often prohibited except for recycled water. Cons: The "red tape" is higher here. You would likely need a professional design to satisfy the VDH, especially given the proximity to the Carvins Cove watershed. For a single-family home, the cost of the permit and professional soil evaluation often outweighs the water bill savings for several years. Recommendation: If you want to move forward, start with a "Laundry-to-Landscape" inquiry. Call the Roanoke Health District environmental health team at 540-204-9780. Ask specifically if they allow a "non-pressurized laundry diversion" in the Carvins Cove watershed without a full engineered design. If they require a full permit ($425+), the financial "worth" becomes much harder to justify unless you are deeply committed to the environmental benefit.