Septic Systems in Yoakum County, TX

Regulations, costs, soil data & local providers

Pop. 7,694 ~22.4% on septic ~689 septic homes Well drained soil

Septic pumping in Yoakum County, Texas costs $250-$500 (avg $350). A new septic system installation costs $5,050-$10,100. USDA soil data rates 4.7% of county soils as suitable for septic absorption fields. Approximately 689 homes in this county use septic systems.

Septic System Costs in Yoakum 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 Yoakum County, Texas. Actual costs depend on system type, site conditions, and provider.

Soil & Septic Suitability in Yoakum County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
41

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Midessa 464 Well drained B
Arvana 338 Well drained C
Amarillo 284 Well drained B
Posey 256 Well drained B
Tokio 225 Well drained B

Septic Tank Absorption Field Suitability

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

Not Limited (Good)4.7%
Somewhat Limited45%
Very Limited50.3%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Yoakum County

Monitoring Wells
14
Avg Depth to Water
126.8 ft
Median Depth
133.4 ft
Shallowest Recorded
77.7 ft

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

Source: USGS National Water Information System. Based on 14 measurements from monitoring wells.

Septic Regulations & Permits in Yoakum County

State Regulatory Body
Texas Commission on Environmental Quality (TCEQ)
Inspection Required for Home Sale
No / Varies
Nitrogen Reduction Areas
No
Advanced Treatment Required
In designated areas

On-Site Sewage Facility (OSSF) permits required. Authorized agents at county level.

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

Septic System FAQ for Yoakum County

How much does septic pumping cost in Yoakum County?
Septic pumping in Yoakum County, Texas 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 Yoakum County?
A conventional septic system installation in Yoakum 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 Yoakum County?
Yes. Virtually all counties in Texas 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 Yoakum County health department for current requirements and fees.
What soil types are in Yoakum County and how do they affect septic systems?
Yoakum County has predominantly Midessa, Arvana, Amarillo soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 4.7% of surveyed soils as "Not Limited" for septic absorption fields, 45% as "Somewhat Limited", and 50.3% as "Very Limited".
How often should I pump my septic tank in Yoakum 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 Texas have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Yoakum County?
It depends on your specific site. USDA soil data shows that 50.3% of soils in Yoakum County are rated "Very Limited" for septic absorption fields, while only 4.7% 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 Yoakum County?
A well-maintained septic system in Yoakum 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 (Yoakum 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

Population7,694
Est. Septic Homes689
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