Septic & well regulations in Montgomery County, VA

Montgomery County is located in the Valley and Ridge region of Virginia. Valley and Ridge karst limestone soils in the New River valley with sinkholes and solution features, flanked by shale and sandstone mountain soils on the ridges. Virginia Tech campus area has heavily modified urban soils. Understanding local permit requirements and soil conditions is essential before installing, repairing, or inspecting a septic system.

Permits & Requirements

New Installation

Site evaluation and construction permit required from VDH New River Health District before installation. A DPOR-licensed installer must be retained for construction. Soil evaluation determines system type per 12VAC5-610 standards. Construction permit fee is approximately $425 with 1-year validity.

Repair

Repair permit required from VDH New River Health District. A DPOR-licensed contractor must assess the failure and submit a repair plan compliant with 12VAC5-610. Repair permit fee is approximately $225.

Inspection

Inspections available through DPOR-licensed operators and soil evaluators. HB 2671 (effective July 2025) requires septic system inspection for property transfers in Virginia. Inspection typically costs $300–$500 and covers tank condition, baffles, and drain field evaluation.

Montgomery County Environmental Health

VDH New River Health District

(540) 585-3300

Contact the county environmental health department for permit applications, soil evaluation scheduling, and regulatory questions.

Soil & Terrain Characteristics

Valley and Ridge karst limestone soils in the New River valley with sinkholes and solution features, flanked by shale and sandstone mountain soils on the ridges. Virginia Tech campus area has heavily modified urban soils. Christiansburg's karst terrain requires dye-trace testing for septic permits.

County-Specific Considerations

Montgomery County is home to Virginia Tech in Blacksburg and the growing town of Christiansburg. Karst geology beneath both towns creates groundwater contamination risk from septic systems, and the New River adds environmental sensitivity for properties along its corridor.

Find Services in Montgomery County

Septic Pumping

Montgomery County

Septic Inspection

Montgomery County

Septic Installation

Montgomery County

Well Water Testing

Montgomery County

Well Pump Repair

Montgomery County

Well Drilling

Montgomery County

Emergency Services

Montgomery County

Water Treatment

Montgomery County

Drain Field Repair

Montgomery County

Septic to Sewer Conversion

Montgomery County

Aerobic Septic System

Montgomery County

Well Water Filtration

Montgomery County

PFAS Water Testing

Montgomery County

Related Resources

Montgomery County Overview Inspection Checklist How to Choose a Septic Company

Septic Permits & Regulations in Montgomery County — FAQ

How much does a septic permit cost in Montgomery County, VA?

Septic permit fees in Montgomery County vary by permit type. New installation permits typically cost $200–$500, while repair permits are usually $100–$300. Contact VDH New River Health District at (540) 585-3300 for current fee schedules.

How long does it take to get a septic permit in Montgomery County?

The septic permit process in Montgomery County generally takes 2–6 weeks, depending on soil evaluation scheduling and application completeness. Soil evaluations must be performed by a licensed soil scientist before applying.

Do I need a soil evaluation for a septic permit in Montgomery County?

Yes. Montgomery County requires a professional soil evaluation before issuing any septic permit. A licensed soil scientist evaluates soil type, depth, drainage, and water table levels to determine the appropriate septic system design.

Who handles septic inspections in Montgomery County, VA?

VDH New River Health District oversees all septic system inspections in Montgomery County. Contact them at (540) 585-3300 to schedule an inspection or ask about requirements.

Can I install my own septic system in Montgomery County?

Montgomery County requires septic system installation by licensed contractors. All installations must be permitted through VDH New River Health District and pass inspection before the system can be used.