Can a septic system fail an inspection?

Inspectors usually describe condition rather than giving a simple pass or fail, but a report can show a system is not working or needs major repair. Ask what standard the inspector uses and what the findings mean for your situation.

Should the tank be pumped before an inspection?

Many inspectors prefer to see the tank before and during pumping so they can judge how the system has been working. Ask the inspector what they want rather than pumping on your own beforehand.

Who pays for a septic inspection during a sale?

It depends on your contract and local practice. Buyers often pay for their own inspection, while some sellers order one before listing. Your real estate agent can tell you what is typical in Denver.

How often should I inspect my septic system?

A professional inspection every few years is a good habit, often at the same time as pumping. Systems with pumps, aerobic units or known problems may need more frequent checks.

Septic System Inspections for Denver Homes

If a home in Denver uses a septic system, the condition of that system can change what the house is worth. An inspection looks at the tank, the pipes and the drain field so there are no surprises after closing.

Local septic companies that serve Denver can inspect for a sale, a refinance or simply because you want to know how your system is holding up.

Inside a septic inspection

Inspectors look at the system from the house to the drain field. They confirm where the main line leaves the house, open the tank to check its condition and levels, and inspect the baffles and any effluent filter. Outside, they walk the drain field and look for soggy ground, lush grass stripes or odors. Some inspections add a camera run through the lines or a hydraulic load test that sends a measured amount of water through the system.

Visual inspections and full inspections

A visual inspection is a quick check of how the system seems to be working, often by running water and looking for problems. A full inspection goes further: the tank is opened, levels are measured and the drain field is evaluated. For a home purchase in Denver, a full inspection is usually the better choice because it finds problems a quick look can miss. Ask the company which type they are quoting before you book.

When an inspection pays for itself

An inspection is most valuable before money changes hands: when buying, selling or refinancing a home in Denver. It is also worth doing after a backup, before adding a bedroom or bathroom, and when you move into a home and do not know when the system was last serviced.

Reading your inspection report

Look for three things: what was inspected, what was found, and what is recommended. Pay attention to notes about parts of the system that could not be reached, since those are unknowns. Ask the inspector to explain any term you do not understand and to rank repairs by urgency. If you are buying, share the report with your agent so it can be part of the negotiation.

Before the inspector arrives

Find the tank if you can, move vehicles off the drain field and make sure the inspector can reach the lid. Have records ready and a list of questions. If you are the buyer, ask the seller for permission and records well ahead of time. If the lid is deeply buried, ask whether digging is included or billed separately.

Choosing a septic inspector

Look for an inspector who explains the process clearly, provides a detailed written report and is not rushing to sell you repairs. It is reasonable to ask whether the same company performs repairs and how they handle that. Experience with the types of systems common around Denver and Glendale, Cherry Hills Village, Aurora is a plus.

What a Denver septic inspection covers

A full inspection near Denver usually includes locating and opening the tank, measuring sludge and scum, checking the baffles and filter, and walking the drain field. Some inspectors run water through the house to watch how the system handles it. Ask whether pumping is included, since it lets them see the whole tank.

What inspectors look at closely around Denver

Because most mapped soils near Denver are rated very limited for septic absorption, inspectors pay special attention to how the drain field is handling water. Denver gets about 18 inches of precipitation a year, so wet spots over the drain field stand out and deserve a closer look. Frozen ground in the colder months can limit what an inspector can see, so plan inspections for a home sale early when you can.

Local conditions in Denver that affect septic inspection

Among the mapped soils within about two miles of central Denver, the USDA soil survey rates 73% as very limited for septic absorption fields, 25% as somewhat limited and 2% as not limited. The most common drainage class is well drained. Soils like these often call for careful system design, such as a larger drain field, a mound or another engineered system, and a site evaluation before any new installation or replacement.

Denver averages about 18 inches of precipitation a year, and May is usually the wettest month. Average temperatures stay below freezing for about 3 months a year, with December averaging 30°F, so tank lids and shallow lines benefit from a layer of snow or mulch rather than being cleared bare.

Sources: USDA NRCS Soil Survey (SSURGO), Soil Data Access; NASA POWER long-term climatology. Soil ratings describe mapped soil types near the city center and do not replace a site evaluation of your property.

What the soil around Denver means for septic inspection

By drainage class, the USDA soil survey maps the land around Denver as 79% well drained, 7% somewhat poorly drained, 7% excessively drained, 6% somewhat excessively drained, 2% moderately well drained. A good inspection here checks the drain field as well as the tank.

Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access

Septic companies near Denver

These are the septic companies in our directory closest to Denver, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.

Plastics Inc, Commerce City, CO, 3.9 mi
Colorado Pumping, Golden, CO, 14.7 mi
All Service Septic, Arvada, CO, 17.1 mi
Gapter Septic Systems & Excavating, Erie, CO, 19.4 mi
Douglas County Septic, Littleton, CO, 20.1 mi
A1 Septic Service, Brighton, CO, 20.6 mi

Septic Inspection in nearby towns

We also cover septic inspection in these towns near Denver:

Glendale, 5 mi
Cherry Hills Village, 9.3 mi
Aurora, 9.5 mi
Commerce City, 9.5 mi
Edgewater, 9.7 mi
Englewood, 10 mi

About Denver, CO

Denver is in Denver County, Colorado. About 716,577 people live there, across 153.1 square miles of land (about 4,681 per square mile).

Septic Inspection questions in Denver

Can a septic system fail an inspection?: Inspectors usually describe condition rather than giving a simple pass or fail, but a report can show a system is not working or needs major repair. Ask what standard the inspector uses and what the findings mean for your situation.
Should the tank be pumped before an inspection?: Many inspectors prefer to see the tank before and during pumping so they can judge how the system has been working. Ask the inspector what they want rather than pumping on your own beforehand.
Who pays for a septic inspection during a sale?: It depends on your contract and local practice. Buyers often pay for their own inspection, while some sellers order one before listing. Your real estate agent can tell you what is typical in Denver.
How often should I inspect my septic system?: A professional inspection every few years is a good habit, often at the same time as pumping. Systems with pumps, aerobic units or known problems may need more frequent checks.