How long does a septic inspection take?

Most take one to three hours. Time depends on how easy the system is to find, whether the tank is pumped during the visit and how much testing is done on the drain field.

Is a home inspection enough for a septic system?

Usually not. General home inspectors often do only a quick look at the septic system. A septic company opens the tank and evaluates the drain field, which gives a much more complete picture.

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 Johnston.

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 Inspection in Johnston, IA

If a home in Johnston 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 Johnston can inspect for a sale, a refinance or simply because you want to know how your system is holding up.

The checklist an inspector works through

Expect the inspector to locate every component, measure how full the tank is, check inlet and outlet baffles for damage, and watch whether water flows the right way. Many also run water through the house to see how the system responds and walk the drain field for wet spots or odors.

Quick checks versus complete inspections

Some inspections only confirm that drains run and nothing is obviously wrong. A complete inspection opens and measures the tank, examines the baffles and filter, checks pumps and alarms, and evaluates the drain field. When money is on the line, such as a home purchase, the complete version is usually worth it.

When an inspection pays for itself

An inspection is most valuable before money changes hands: when buying, selling or refinancing a home in Johnston. 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.

Getting the property ready

Clear access to the tank lid and drain field, unlock gates and keep pets inside. Let the inspector know about any past backups, alarms or repairs. If the home is vacant, ask whether water should be run ahead of time. the Polk County health department may have records for the system that the inspector can use, so it helps to request them early.

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 Johnston and Grimes, Urbandale, Windsor Heights is a plus.

When to inspect even without a sale in Johnston

An inspection in Johnston makes sense after buying a home without records, after a backup or before an addition. It tells you the size, layout and condition of the system. Knowing that ahead of time helps you budget for pumping or repairs instead of being surprised by them.

What inspectors look at closely around Johnston

Because most mapped soils near Johnston are rated very limited for septic absorption, inspectors pay special attention to how the drain field is handling water. Johnston averages about 35 inches of precipitation a year. Mention recent heavy rain to your inspector, since it can change what the drain field shows. 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 Johnston that affect septic inspection

Among the mapped soils within about two miles of central Johnston, the USDA soil survey rates 78% as very limited for septic absorption fields, 22% as somewhat limited and 0% 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.

Johnston averages about 35 inches of precipitation a year, and June is usually the wettest month. Average temperatures stay below freezing for about 3 months a year, with January averaging 22°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 Johnston means for septic inspection

By drainage class, the USDA soil survey maps the land around Johnston as 54% well drained, 21% somewhat excessively drained, 11% somewhat poorly drained, 9% poorly drained, 3% moderately well drained, 2% very poorly drained. A good inspection here checks the drain field as well as the tank, since 22% of the soil drains poorly and that is where fields tend to show trouble first.

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

Septic companies near Johnston

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

Rogers Septic Maintenance & Repair, Des Moines, IA, 6.3 mi
Johnson Excavating, Ankeny, IA, 6.4 mi
Best Portable Toilets, Des Moines, IA, 7.3 mi
Cook Plumbing Corp-West Des, West Des Moines, IA, 8.5 mi
A J Plumbing, Des Moines, IA, 12.9 mi
A1 Complete Septic Tank Service, Pleasant Hill, IA, 14.1 mi

Septic Inspection in nearby towns

We also cover septic inspection in these towns near Johnston:

Grimes, 4.1 mi
Urbandale, 4.8 mi
Windsor Heights, 6.1 mi
Polk City, 6.2 mi
Clive, 6.6 mi
Ankeny, 6.8 mi

About Johnston, IA

Johnston is in Polk County, Iowa. About 24,640 people live there, across 19.5 square miles of land (about 1,264 per square mile).

Septic Inspection questions in Johnston

How long does a septic inspection take?: Most take one to three hours. Time depends on how easy the system is to find, whether the tank is pumped during the visit and how much testing is done on the drain field.
Is a home inspection enough for a septic system?: Usually not. General home inspectors often do only a quick look at the septic system. A septic company opens the tank and evaluates the drain field, which gives a much more complete picture.
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 Johnston.
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.