Septic Systems in Sedgwick County, CO

Regulations, costs, soil data & local providers

Pop. 2,404 ~22.4% on septic ~215 septic homes Well drained soil

Septic pumping in Sedgwick County, Colorado costs $300-$650 (avg $450). A new septic system installation costs $6,550-$13,100. USDA soil data rates 23.5% of county soils as suitable for septic absorption fields. Approximately 215 homes in this county use septic systems.

Septic System Costs in Sedgwick County

ServiceLowAverageHigh
Pumping / Cleaning$300$450$650
Routine Inspection$250$350$500
Real Estate Inspection$450$650$900
Minor Repair$800$1,150$5,750
Conventional Installation$6,550$9,350$13,100
Aerobic System Installation$12,300$17,550$24,550
Drainfield Replacement$6,550$9,350$13,100
Perc Test$1,000$1,400$1,950

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

Soil & Septic Suitability in Sedgwick County

Drainage Class
Well drained
Hydrologic Group
B
Unique Soil Types
46
Avg Bedrock Depth
1.4 ft

Dominant Soil Types

Soil SeriesCoverageDrainageHydro Group
Haxtun 455 Well drained C
Chappell 315 Well drained A
Keith 278 Well drained B
Bridgeport 270 Well drained A
Richfield 254 Well drained C

Septic Tank Absorption Field Suitability

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

Not Limited (Good)23.5%
Somewhat Limited15.5%
Very Limited61%

Overall rating: Very limited

Source: USDA NRCS Soil Survey Geographic Database (SSURGO)

Groundwater & Water Table in Sedgwick County

Monitoring Wells
12
Avg Depth to Water
132 ft
Median Depth
192.8 ft
Shallowest Recorded
5.9 ft

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

Source: USGS National Water Information System. Based on 51 measurements from monitoring wells.

Septic Regulations & Permits in Sedgwick County

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

Varies by county. Many counties have transfer-of-title inspection requirements.

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

Septic System FAQ for Sedgwick County

How much does septic pumping cost in Sedgwick County?
Septic pumping in Sedgwick County, Colorado typically costs between $300 and $650, with an average of $450. 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 Sedgwick County?
A conventional septic system installation in Sedgwick County typically costs $6,550-$13,100. An aerobic treatment unit (ATU) costs $12,300-$24,550. 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 Sedgwick County?
Yes. Virtually all counties in Colorado 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 Sedgwick County health department for current requirements and fees.
What soil types are in Sedgwick County and how do they affect septic systems?
Sedgwick County has predominantly Haxtun, Chappell, Keith soils. The dominant drainage class is Well drained with hydrologic group B. The USDA rates 23.5% of surveyed soils as "Not Limited" for septic absorption fields, 15.5% as "Somewhat Limited", and 61% as "Very Limited".
How often should I pump my septic tank in Sedgwick 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 Colorado have mandatory pumping schedules — check with your local health department.
Can I install a conventional septic system in Sedgwick County?
It depends on your specific site. USDA soil data shows that 61% of soils in Sedgwick County are rated "Very Limited" for septic absorption fields, while only 23.5% 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-$1950) and soil evaluation are required before the county will approve a system design.
How long does a septic system last in Sedgwick County?
A well-maintained septic system in Sedgwick 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 (Sedgwick 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

Population2,404
Est. Septic Homes215
Avg Pumping Cost$450
Drainage ClassWell drained
Septic SuitabilityVery limited

Common Septic Services

Pumping: $300-$650
Inspection: $250-$500
Repair: $800-$5,750
Installation: $6,550-$13,100

Data last updated: 2026-04-13