Septic Systems in Barnes County, ND

Regulations, costs, soil data & local providers

Pop. 10,853 ~21% on septic ~912 septic homes Well drained soil

Septic pumping in Barnes County, North Dakota costs $250-$500 (avg $350). A new septic system installation costs $5,050-$10,100. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 912 homes in this county use septic systems.

Septic System Costs in Barnes County

ServiceLowAverageHigh
Pumping / Cleaning$250$350$500
Routine Inspection$200$250$350
Real Estate Inspection$350$500$700
Minor Repair$650$900$4,400
Conventional Installation$5,050$7,200$10,100
Aerobic System Installation$9,450$13,500$18,900
Drainfield Replacement$5,050$7,200$10,100
Perc Test$750$1,100$1,550

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

Soil & Septic Suitability in Barnes County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
102
Avg Bedrock Depth
2.4 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Barnes 709 Well drained B
Buse 486 Well drained B
Nutley 382 Well drained C
Sioux 355 Excessively drained A
Lowe 353 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 Limited25%
Very Limited75%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Septic Regulations & Permits in Barnes County

State Regulatory Body
North Dakota Department of Health/Environment
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
No

Contact county health department for specific requirements.

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

Septic System FAQ for Barnes County

How much does septic pumping cost in Barnes County?
Septic pumping in Barnes County, North Dakota typically costs between $250 and $500, with an average of $350. 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 Barnes County?
A conventional septic system installation in Barnes County typically costs $5,050-$10,100. An aerobic treatment unit (ATU) costs $9,450-$18,900. 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 Barnes County?
Yes. Virtually all counties in North Dakota 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 Barnes County health department for current requirements and fees.
What soil types are in Barnes County and how do they affect septic systems?
Barnes County has predominantly Barnes, Buse, Nutley soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 25% as "Somewhat Limited", and 75% as "Very Limited".
How often should I pump my septic tank in Barnes 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 North Dakota have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Barnes County?
It depends on your specific site. USDA soil data shows that 75% of soils in Barnes 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 ($750-$1550) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Barnes County?
A well-maintained septic system in Barnes 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 (Barnes 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

Population10,853
Est. Septic Homes912
Avg Pumping Cost$350
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $250-$500
Inspection: $200-$350
Repair: $650-$4,400
Installation: $5,050-$10,100

Data last updated: 2026-04-13