Can I install a septic system myself?

Most areas require licensed designers or installers and inspections. Check with the Story County health department before planning any work yourself.

What is a mound system?

A mound system raises the drain field above the natural soil using sand and fill. It is used where the soil is too shallow, too wet or too slow draining for a conventional field.

Can a replacement system go in the same place?

Sometimes. It depends on the condition of the soil in the old field and local rules. Many replacements use a new area of the yard.

Is SepticTank.com the installer?

No. SepticTank.com connects you with an independent local septic company that serves Gilbert. That company designs, installs and prices the system.

Septic System Installation in Gilbert, IA

A new septic system is a long-term investment. Getting it right means a proper site evaluation, a design that fits your property and a permit approved before any digging starts.

Septic companies that work across Story County can guide you through each step and handle much of the paperwork.

From soil test to final inspection

A soil evaluation decides almost everything else. It tells the designer what type of system and how large a field the lot needs. Once plans are approved, installation itself often takes a few days to a couple of weeks, depending on the system and the site.

Types of septic systems

Conventional systems use a tank and a gravity drain field and suit lots with good soil. Where soil is poor, shallow or wet, options include pressure distribution, mound systems, chamber systems, sand filters and aerobic treatment units. Your soil test and local rules decide which types are allowed on your lot.

What the permit process involves

Most permit processes include a site and soil evaluation, a system design, plan approval and final inspection. Fees and timelines vary. Starting the process early, especially for new construction, keeps the project on schedule.

What you are paying for in a new system

A new system quote covers the soil evaluation and design, permits, the tank, pipe and field materials, excavation and backfill, and the final inspection. Ask whether site restoration such as grading and seeding is included, and whether the quote assumes a conventional system or an engineered one.

Getting the most from your new system

Good habits protect your investment: spread out laundry, fix leaks promptly, avoid flushing wipes and grease, and pump on schedule. If your system has an alarm, learn what it means and who to call.

Before you sign

Make sure the contract lists the system type, the scope of work, permit responsibilities, the timeline, cleanup and warranty. Ask how weather or unexpected site conditions will be handled.

How long the whole project takes

The digging and installation often take days, but the full project in Gilbert can take several weeks once testing, design and permit review are included. Ask your installer for a realistic timeline for your county and what could change it, such as wet weather or a busy review office.

Common installation mistakes

The costliest mistakes are skipping the soil test, undersizing the system to save money, and building the field where water collects or where you later want a driveway or garage. Hiring an installer who does not handle permits can also delay the job or force rework after a failed inspection.

Before the digging starts in Gilbert

Installing a septic system in Gilbert touches the whole yard, so plan access for the excavator and the tank delivery. Mark wells, water lines and property corners first. Ask the installer how they will restore the lawn afterward. A clear plan now avoids moving a driveway, a shed or a fence later.

What Gilbert's soil means for a new system

The USDA soil survey rates most mapped soils near Gilbert as very limited for septic absorption fields. New systems here often need a mound, pressure distribution or another engineered design, which your soil test will confirm. Gilbert averages about 34 inches of precipitation a year, which your designer will factor into where the system goes. About 3 months below freezing mean pipes and components must sit deep enough or be insulated, and installation is usually easiest outside winter.

Local conditions in Gilbert that affect septic installation

Among the mapped soils within about two miles of central Gilbert, the USDA soil survey rates 71% as very limited for septic absorption fields, 29% 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.

Gilbert averages about 34 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 20°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 Gilbert means for septic installation

By drainage class, the USDA soil survey maps the land around Gilbert as 50% well drained, 18% poorly drained, 12% somewhat excessively drained, 10% very poorly drained, 7% somewhat poorly drained, 3% moderately well drained. With 35% of the soil poorly drained, a new or replacement field here is often larger or raised, and a soil test comes before any design.

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

Septic companies near Gilbert

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

Johnson Excavating, Ankeny, IA, 29.3 mi
Best Portable Toilets, Des Moines, IA, 30.6 mi
Rogers Septic Maintenance & Repair, Des Moines, IA, 31.2 mi
Al Price Septic Service-Drain, Fort Dodge, IA, 32.0 mi
Winter's Septic Service, Iowa Falls, IA, 32.3 mi
A1 Complete Septic Tank Service, Pleasant Hill, IA, 37.1 mi

Septic Installation in nearby towns

We also cover septic installation in these towns near Gilbert:

Ames, 5.7 mi
Story City, 6.3 mi
Roland, 8.4 mi
Nevada, 10.9 mi
Boone, 12.3 mi
Jewell Junction, 14.2 mi

About Gilbert, IA

Gilbert is in Story County, Iowa. About 1,331 people live there, across 1.1 square miles of land (about 1,209 per square mile).

Septic Installation questions in Gilbert

Can I install a septic system myself?: Most areas require licensed designers or installers and inspections. Check with the Story County health department before planning any work yourself.
What is a mound system?: A mound system raises the drain field above the natural soil using sand and fill. It is used where the soil is too shallow, too wet or too slow draining for a conventional field.
Can a replacement system go in the same place?: Sometimes. It depends on the condition of the soil in the old field and local rules. Many replacements use a new area of the yard.
Is SepticTank.com the installer?: No. SepticTank.com connects you with an independent local septic company that serves Gilbert. That company designs, installs and prices the system.