New Septic Systems for Ames Properties
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.
The steps of a new septic installation
Expect five stages: site and soil evaluation, system design, permit approval, construction, and inspection before the trenches are covered. Weather and permit review times affect the schedule more than the digging itself, which often takes only a few days once everything is approved.
Septic system types and when they fit
A conventional gravity system works where soil drains well and there is room for a field. Where soil is shallow, wet or slow, designers turn to pressure distribution, mound systems, chamber systems, drip dispersal or aerobic treatment units. The soil test, not preference, usually decides which one a lot needs.
Permits and approvals
New and replacement systems almost always need a permit. Expect a soil evaluation, a design that meets local code, plan review and at least one inspection during installation. the Story County health department or your state agency sets the requirements, and many installers handle the application for you.
Why installation prices vary
Installation price depends on the system type the soil allows, the size of the house, the distance from the house to the field, how easy the site is to reach with equipment, and design and permit fees. Engineered systems such as mounds and aerobic units cost more to build and maintain.
After installation
Ask your installer for records, maintenance instructions and warranty details. Mark the tank and field location so they are not damaged by future projects. Some systems require a service contract, so confirm what applies to yours.
Questions for a septic installer
Ask who will do the soil test and design, whether they pull the permit, and which system types they recommend for your lot and why. Ask how long the project will take, what warranty they give, and whether the quote includes restoring the yard. Ask for references from recent jobs near Ames.
How long the whole project takes
The digging and installation often take days, but the full project in Ames 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.
What experienced installers watch for
Good installers in Ames pay attention to setbacks from wells and property lines, the slope of the lot, and where roof and yard water drains. They also plan how equipment will reach the site without compacting the future drain field. They also confirm the design matches the permit before the first shovel goes in. Small details at this stage decide whether the system lasts decades or needs early repair.
New septic systems in Story County
New and replacement systems in Story County go through the Story County health department, which reviews designs and inspects the work. Soil conditions change from one part of the county to another, so a design that suits a lot in Ames may differ from one in Gilbert, Nevada, Huxley. A local installer knows those differences.
What Ames's soil means for a new system
The USDA soil survey rates most mapped soils near Ames 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. Ames 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 Ames that affect septic installation
Among the mapped soils within about two miles of central Ames, the USDA soil survey rates 80% as very limited for septic absorption fields, 20% 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.
Ames 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 Ames means for septic installation
By drainage class, the USDA soil survey maps the land around Ames as 50% well drained, 17% poorly drained, 9% moderately well drained, 7% excessively drained, 7% somewhat excessively drained, 6% somewhat poorly drained, 4% very poorly drained. With 27% 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 Ames
These are the septic companies in our directory closest to Ames, 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, 23.7 mi
- Best Portable Toilets, Des Moines, IA, 25.0 mi
- Rogers Septic Maintenance & Repair, Des Moines, IA, 25.7 mi
- Thompson & Son Septic Tank Service, Des Moines, IA, 31.4 mi
- A1 Complete Septic Tank Service, Pleasant Hill, IA, 31.4 mi
- A J Plumbing, Des Moines, IA, 31.9 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near Ames:
About Ames, IA
Ames is in Story County, Iowa. About 65,686 people live there, across 28.2 square miles of land (about 2,329 per square mile).
Septic Installation questions in Ames
- 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.
- Do I need a soil test for a new septic system?
- Yes, in nearly all cases. The soil evaluation decides what type of system and how large a field your lot can support.
- Is SepticTank.com the installer?
- No. SepticTank.com connects you with an independent local septic company that serves Ames. That company designs, installs and prices the system.