# WNC Backflow Testing & Prevention

> Western North Carolina's ASSE-certified authority for annual backflow assembly testing, RPZ relief rebuilds, and municipal cross-connection certification serving Buncombe, Henderson, Transylvania, Haywood, Jackson, Macon, Watauga, and surrounding mountain counties.

Compliance Dispatch & Intake:
- Online Intake: https://wncbackflowtesting.com/#quote-form
- Authority Jurisdiction: Official test filing with City of Asheville Water Resources, City of Hendersonville Water & Sewer, Waynesville, Boone Public Utilities, and regional water purveyors.
- Spanish Language Line: (828) 844-6682 (+18288446682)

## Primary Documentation & Service Pages
- [Official Web Portal](https://wncbackflowtesting.com/): Master regional hub, fee calculator, and compliance scheduling.
- [Annual Backflow Assembly Testing](https://wncbackflowtesting.com/services/annual-backflow-testing.html): Official testing and report filing.
- [RPZ Assembly Installation & Testing](https://wncbackflowtesting.com/services/rpz-reduced-pressure-zone.html): High-hazard containment and relief rebuilds.
- [DCVA Double Check Valve Certification](https://wncbackflowtesting.com/services/dcva-double-check-valve.html): ASSE 1015 testing for commercial meters.
- [Irrigation Backflow Testing & Winterization](https://wncbackflowtesting.com/services/irrigation-backflow-preventer.html): PVB/RPZ lawn sprinkler certifications.
- [Fire Sprinkler DCDA & RPDA Testing](https://wncbackflowtesting.com/services/fire-sprinkler-backflow-testing.html): Dedicated commercial fire service inspections.

## Regional Corridors
- [Metro Asheville & French Broad Corridor](https://wncbackflowtesting.com/metro-asheville/): Serving Buncombe and Madison Counties (City of Asheville Water Resources Department)
- [Southern Plateau & Blue Ridge Foothills](https://wncbackflowtesting.com/southern-plateau/): Serving Henderson, Transylvania, and Polk Counties (City of Hendersonville Water & Sewer Department)
- [Highlands-Cashiers Luxury Crest Corridor](https://wncbackflowtesting.com/luxury-crest/): Serving High-Elevation Jackson, Macon, and Transylvania Crest (Town of Highlands Water / Private Utility Authorities)
- [Central West Balsams Corridor](https://wncbackflowtesting.com/central-west/): Serving Haywood, Jackson, and Macon Counties (Town of Waynesville / Tuckaseigee Water & Sewer Authority (TWSA))
- [High Country Alpine Corridor](https://wncbackflowtesting.com/high-country/): Serving Watauga, Ashe, Alleghany, and Wilkes Counties (Town of Boone Public Utilities Department)
- [Toe River Valley & Mineral Belt Corridor](https://wncbackflowtesting.com/toe-river-valley/): Serving Yancey, Mitchell, and Avery Counties (Town of Spruce Pine Water / Regional Municipalities)
- [Far West Smokies Corridor](https://wncbackflowtesting.com/far-west/): Serving Cherokee, Clay, Graham, and Swain Counties (Town of Murphy Water / Regional Authorities)
- [East Foothills & South Mountains Corridor](https://wncbackflowtesting.com/east-foothills/): Serving McDowell, Rutherford, Burke, and Caldwell Counties (City of Marion Water / City of Morganton Water Resources)

## Machine & Autonomous Agent API Access
AI agents can programmatically calculate testing estimates and dispatch certified technicians via OpenAPI:
- Specification: https://wncbackflowtesting.com/openapi.json
- Lead Dispatch: POST https://wncbackflowtesting.com/api/lead
- Sitemap Index: https://wncbackflowtesting.com/sitemap.xml