Septic Systems in Mathews County, VA

Regulations, costs, soil data & local providers

Pop. 8,533 ~37.8% on septic ~1,290 septic homes Well drained soil

Septic pumping in Mathews County, Virginia costs $300-$550 (avg $400). A new septic system installation costs $5,800-$11,550. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 1,290 homes in this county use septic systems.

Septic System Costs in Mathews County

ServiceLowAverageHigh
Pumping / Cleaning$300$400$550
Routine Inspection$200$300$400
Real Estate Inspection$400$550$750
Minor Repair$750$1,050$5,050
Conventional Installation$5,800$8,250$11,550
Aerobic System Installation$10,800$15,450$21,650
Drainfield Replacement$5,800$8,250$11,550
Perc Test$900$1,250$1,750

Cost estimates based on regional market data for Mathews County, Virginia. Actual costs depend on system type, site conditions, and provider.

Soil & Septic Suitability in Mathews County

Drainage Class
Well drained
Hydrologic Group
A
Unique Soil Types
15

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Kempsville 255 Well drained A
Sassafras 255 Well drained B
Keyport 170 Moderately well drained D
Fallsington 115 Poorly drained B/D
Elkton 104 Poorly drained C/D

Septic Tank Absorption Field Suitability

USDA NRCS rates soil suitability for septic absorption fields across this county:

Not Limited (Good)0%
Somewhat Limited16.1%
Very Limited83.9%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Mathews County

Monitoring Wells
5
Avg Depth to Water
37.9 ft
Median Depth
10.7 ft
Shallowest Recorded
-2 ft Shallow Risk

Water table depths in this county are generally favorable for conventional septic systems.

Source: USGS National Water Information System. Based on 183 measurements from monitoring wells.

Septic Regulations & Permits in Mathews County

State Regulatory Body
Virginia Department of Health
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
Yes
Advanced Treatment Required
In designated areas

Chesapeake Bay watershed requirements. Statewide database of permitted systems.

Contact the Mathews County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Mathews County

How much does septic pumping cost in Mathews County?
Septic pumping in Mathews County, Virginia typically costs between $300 and $550, with an average of $400. Costs vary by tank size (1,000-1,500 gallons is typical), ease of access, distance from the pumping company, and how full the tank is. Most homeowners should pump their tank every 3-5 years.
How much does a new septic system cost in Mathews County?
A conventional septic system installation in Mathews County typically costs $5,800-$11,550. An aerobic treatment unit (ATU) costs $10,800-$21,650. Given the predominantly well drained soils in this area, some sites may require alternative system types. Costs include the tank, drainfield, permits, and labor.
Do I need a permit for a septic system in Mathews County?
Yes. Virtually all counties in Virginia require a permit before installing, repairing, or replacing a septic system. The permit process typically involves a soil evaluation or percolation test, system design by a licensed professional, application to the county health department, and one or more inspections during installation. Contact the Mathews County health department for current requirements and fees.
What soil types are in Mathews County and how do they affect septic systems?
Mathews County has predominantly Kempsville, Sassafras, Keyport soils. The dominant drainage class is Well drained with hydrologic group A. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 16.1% as "Somewhat Limited", and 83.9% as "Very Limited".
How often should I pump my septic tank in Mathews County?
The EPA recommends pumping your septic tank every 3-5 years for a typical household. The exact frequency depends on tank size, household size, and water usage. A 1,000-gallon tank serving a family of 4 should generally be pumped every 3 years. Some counties in Virginia have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Mathews County?
It depends on your specific site. USDA soil data shows that 83.9% of soils in Mathews County are rated "Very Limited" for septic absorption fields, while only 0% are "Not Limited." This means many properties will require alternative systems such as mound systems, pressure distribution systems, or aerobic treatment units. A percolation test ($900-$1750) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Mathews County?
A well-maintained septic system in Mathews County typically lasts 25-30 years, though some components may need attention sooner. The concrete septic tank itself can last 40+ years, while the drainfield — the most critical and expensive component — usually lasts 15-25 years depending on soil conditions (Mathews County has predominantly well drained soils). Regular pumping every 3-5 years and avoiding excess water usage are the two most effective ways to extend system life.

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Quick Facts

Population8,533
Est. Septic Homes1,290
Avg Pumping Cost$400
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$550
Inspection: $200-$400
Repair: $750-$5,050
Installation: $5,800-$11,550

Data last updated: 2026-04-13