Septic pumping in Phillips County, Colorado costs $300-$650 (avg $450). A new septic system installation costs $6,550-$13,100. USDA soil data rates 11% of county soils as suitable for septic absorption fields. Approximately 406 homes in this county use septic systems.
Septic System Costs in Phillips County
| Service | Low | Average | High |
|---|---|---|---|
| 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 Phillips County, Colorado. Actual costs depend on system type, site conditions, and provider.
Soil & Septic Suitability in Phillips County
Drainage Class
Well drained
Hydrologic Group
C
Unique Soil Types
31
Avg Bedrock Depth
1.6 ft
Dominant Soil Types
| Soil Series | Coverage | Drainage | Hydro Group |
|---|---|---|---|
| Haxtun | 295 | Well drained | C |
| Platner | 249 | Well drained | C |
| Valent | 195 | Excessively drained | A |
| Richfield | 185 | Well drained | C |
| Julesburg | 184 | Well drained | A |
Septic Tank Absorption Field Suitability
USDA NRCS rates soil suitability for septic absorption fields across this county:
Overall rating: Very limited
Groundwater & Water Table in Phillips County
Monitoring Wells
48
Avg Depth to Water
163.6 ft
Median Depth
163 ft
Shallowest Recorded
89.6 ft
Water table depths in this county are generally favorable for conventional septic systems.
Source: USGS National Water Information System. Based on 125 measurements from monitoring wells.
Septic Regulations & Permits in Phillips 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 Phillips County health department for current permit requirements, fees, and approved system types.
Septic System FAQ for Phillips County
How much does septic pumping cost in Phillips County?
Septic pumping in Phillips 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 Phillips County?
A conventional septic system installation in Phillips 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 Phillips 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 Phillips County health department for current requirements and fees.
What soil types are in Phillips County and how do they affect septic systems?
Phillips County has predominantly Haxtun, Platner, Valent soils. The dominant drainage class is Well drained with hydrologic group C. The USDA rates 11% of surveyed soils as "Not Limited" for septic absorption fields, 17.5% as "Somewhat Limited", and 71.5% as "Very Limited".
How often should I pump my septic tank in Phillips 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 Phillips County?
It depends on your specific site. USDA soil data shows that 71.5% of soils in Phillips County are rated "Very Limited" for septic absorption fields, while only 11% 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 Phillips County?
A well-maintained septic system in Phillips 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 (Phillips 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.
Data last updated: 2026-04-13