Septic Systems in Curry County, OR

Regulations, costs, soil data & local providers

Pop. 23,446 ~24% on septic ~2,251 septic homes Well drained soil

Septic pumping in Curry County, Oregon costs $350-$700 (avg $500). A new septic system installation costs $6,650-$13,300. USDA soil data rates 0% of county soils as suitable for septic absorption fields. Approximately 2,251 homes in this county use septic systems.

Septic System Costs in Curry County

ServiceLowAverageHigh
Pumping / Cleaning$350$500$700
Routine Inspection$250$350$500
Real Estate Inspection$450$650$900
Minor Repair$850$1,200$5,800
Conventional Installation$6,650$9,500$13,300
Aerobic System Installation$12,500$17,850$25,000
Drainfield Replacement$6,650$9,500$13,300
Perc Test$1,000$1,450$2,050

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

Soil & Septic Suitability in Curry County

Drainage Class
Well drained
Hydrologic Group
C
Unique Soil Types
215
Avg Bedrock Depth
3.9 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Rilea 795 Well drained C
Digger 603 Well drained B
Deadline 519 Well drained B
Orthents 517 Excessively drained A
Remote 507 Well drained B

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0%
Somewhat Limited0.6%
Very Limited99.4%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Septic Regulations & Permits in Curry County

State Regulatory Body
Oregon DEQ
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
In designated areas

Some counties require time-of-transfer inspection. Authorization required for installers.

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

Septic System FAQ for Curry County

How much does septic pumping cost in Curry County?
Septic pumping in Curry County, Oregon typically costs between $350 and $700, with an average of $500. 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 Curry County?
A conventional septic system installation in Curry County typically costs $6,650-$13,300. An aerobic treatment unit (ATU) costs $12,500-$25,000. 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 Curry County?
Yes. Virtually all counties in Oregon 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 Curry County health department for current requirements and fees.
What soil types are in Curry County and how do they affect septic systems?
Curry County has predominantly Rilea, Digger, Deadline soils. The dominant drainage class is Well drained with hydrologic group C. The USDA rates 0% of surveyed soils as "Not Limited" for septic absorption fields, 0.6% as "Somewhat Limited", and 99.4% as "Very Limited".
How often should I pump my septic tank in Curry 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 Oregon have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Curry County?
It depends on your specific site. USDA soil data shows that 99.4% of soils in Curry 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 ($1000-$2050) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Curry County?
A well-maintained septic system in Curry 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 (Curry 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

Population23,446
Est. Septic Homes2,251
Avg Pumping Cost$500
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $350-$700
Inspection: $250-$500
Repair: $850-$5,800
Installation: $6,650-$13,300

Data last updated: 2026-04-13