Septic Systems in Crosby County, TX

Regulations, costs, soil data & local providers

Pop. 5,133 ~22.4% on septic ~460 septic homes Well drained soil

Septic pumping in Crosby County, Texas costs $250-$500 (avg $350). A new septic system installation costs $5,050-$10,100. USDA soil data rates 0.6% of county soils as suitable for septic absorption fields. Approximately 460 homes in this county use septic systems.

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

Soil & Septic Suitability in Crosby County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
77
Avg Bedrock Depth
1.9 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Mansker 575 Well drained B
Berda 465 Well drained B
Miles 441 Well drained B
Amarillo 278 Well drained B
Zita 277 Well drained B

Septic Tank Absorption Field Suitability

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

Not Limited (Good)0.6%
Somewhat Limited50.8%
Very Limited48.5%

Overall rating: Somewhat limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Crosby County

Monitoring Wells
24
Avg Depth to Water
237.1 ft
Median Depth
219.2 ft
Shallowest Recorded
131.6 ft

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

Source: USGS National Water Information System. Based on 47 measurements from monitoring wells.

Septic Regulations & Permits in Crosby 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 Crosby County health department for current permit requirements, fees, and approved system types.

Septic System FAQ for Crosby County

How much does septic pumping cost in Crosby County?
Septic pumping in Crosby 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 Crosby County?
A conventional septic system installation in Crosby 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 Crosby 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 Crosby County health department for current requirements and fees.
What soil types are in Crosby County and how do they affect septic systems?
Crosby County has predominantly Mansker, Berda, Miles soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 0.6% of surveyed soils as "Not Limited" for septic absorption fields, 50.8% as "Somewhat Limited", and 48.5% as "Very Limited".
How often should I pump my septic tank in Crosby 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 Crosby County?
It depends on your specific site. USDA soil data shows that 48.5% of soils in Crosby County are rated "Very Limited" for septic absorption fields, while only 0.6% 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 Crosby County?
A well-maintained septic system in Crosby 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 (Crosby 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

Population5,133
Est. Septic Homes460
Avg Pumping Cost$350
Drainage ClassWell drained
Septic SuitabilitySomewhat 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