A new tank, when the field still works
Greeley Quality Septic Septic Tank Replacement in Greeley
If the leach field is sound and the tank is not, the tank can be replaced on its own.
- Greeley and nine towns within 20 miles
- Written price before any digging
- Licensed, insured local contractors
- Weld and Larimer County rules covered
Greeley Quality Septic arranges septic tank replacements around Greeley for tanks that have cracked, rusted through, collapsed, or are simply too small for the house. Replacing the tank alone is far cheaper than a whole system, but only makes sense when the field is still healthy, so the first job is finding out whether it is.
A cracked tank replaced for $9,500 to $11,500 protects the field; left leaking, it lets groundwater in and solids out, and the field follows it into a $28,000 to $35,000 full replacement.
$9,500 to $11,500 for a new tank
Replacing a septic tank around Greeley typically runs $9,500 to $11,500, the range a Northern Colorado septic installer publishes, depending on how easy the tank is to reach, the number of bedrooms in the house and the groundwater level. In Weld County a tank-only replacement uses the county's vault permit, $450 in 2026, rather than the full repair permit.
Get a price: (970) 442-7072Signs the tank itself has failed
- The tank level drops between pump-outs, or rises with rain and irrigation
- Ground sinking around the tank or the lid
- A steel tank of any real age, which rusts from the top down
- Cracks, exposed rebar or crumbling concrete seen at a pump-out
- A tank smaller than the bedrooms now in the house require
When a tank can be replaced alone
Weld County's own application separates the cases. A residential repair permit covers replacing or upgrading the soil treatment area, and may include the tank. If only the tank or a pump chamber needs to be replaced or added, the county's vault installation permit applies instead. That difference is worth thousands of dollars, so it pays to confirm the field is working before treating a tank problem as a system problem.
A pump-out with an inspection of the outlet and the field, or a septic inspection, usually settles it.
What the new tank has to be
The new tank is sized to Colorado's table: at least 1,000 gallons for two or three bedrooms, 1,250 for four, and 250 more for each bedroom beyond that. Larimer County also requires two compartments, or two tanks in series, with the first holding at least half the required volume, and the inlet set at least two inches above the outlet. A modern precast concrete or approved plastic tank is tested for watertightness, and the county inspects it in the ground before it is backfilled.
Not sure what the system needs? Describe what you are seeing and get a straight answer on what it usually takes.
Call (970) 442-7072What happens to the old tank
The old tank is pumped and abandoned or removed. In Weld County the installer has to provide a pump receipt from a county-licensed septic tank cleaner, and the county inspects the abandonment or accepts photos approved in advance. A collapsed tank is usually crushed and filled; a sound old tank is sometimes left in place, emptied and filled.
Groundwater and tank replacements
On river-bottom ground near the South Platte in Evans or along the Cache la Poudre near Greeley and Windsor, the water table can rise close to the surface in irrigation season. An empty tank set in wet ground can float, so the excavation, the bedding and sometimes anti-buoyancy measures matter, and a replacement there is best done when the water is down.
A lid that has sunk or cracked
Keep people, pets and vehicles away from it and mark the area. A failed lid over a deep tank is dangerous. Call and describe what you see.
Call (970) 442-7072Steel tanks
Older homes on acreage around Greeley sometimes still have steel tanks. Steel corrodes from the top, where the gases collect, and the lid can give way without warning. If a pump-out finds one, replacing it is a safety job as much as a septic one.
Questions people ask
How much does a new septic tank cost around Greeley?
Typically $9,500 to $11,500 installed, depending on access, bedrooms and groundwater.
Can I replace just the septic tank and keep the leach field?
Yes, if the field is still working. In Weld County that uses the $450 vault permit rather than a full repair permit.
What are the signs a septic tank needs replacing?
A level that drops or rises between pump-outs, sinking ground around the tank, cracks or exposed rebar, or rusted steel.
Does a new septic tank need two compartments?
In Larimer County, yes, or two tanks in series. Most new tanks in Weld are two-compartment as well.
What happens to the old septic tank?
It is pumped and abandoned or removed. Weld County requires a pump receipt from a licensed cleaner and an inspection or approved photos.
Often done together
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Septic system replacement
When both the tank and the field are past saving, the whole system is replaced to today's Colorado and county standards.
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Septic inspection
A look at every part of the system, from the pipe leaving the house to the leach field, with a written result.
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Septic tank pumping
Emptying the sludge and scum layers before they reach the leach field, on a schedule set by the tank and the household.
Talk it through before anyone digs
Say what the house is doing, how old the system is and when the tank was last pumped. You will hear what the job usually involves, what it tends to cost, and whether it needs digging at all.
Call (970) 442-7072