Septic System Installation in Riverton, WY
Whether you are building a new home in Riverton or replacing a system that has reached the end of its life, septic installation is a project that starts with the soil. The right system depends on your lot, your soil and the size of your household.
Request a call and a local septic company that installs systems in Riverton and nearby communities will explain the process from site evaluation to final inspection.
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.
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.
The permit process for a new system
Installing or replacing a septic system almost always needs approval from the Fremont County health department or the state agency that oversees septic systems. The usual steps are a soil evaluation, a stamped design, plan review and one or more inspections during construction. Starting without a permit can mean digging it all up again.
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.
The first years with a new system
Keep the design drawing and the final inspection report somewhere safe. Pump on the schedule your installer recommends, use water steadily rather than all at once, and keep vehicles and new structures off the tank and field. Let grass establish over the field before heavy use of the yard.
Choosing an installation company
Look for experience with the soils and systems common around Riverton and nearby communities, clear written quotes and a plan for permits and inspections. A good installer explains tradeoffs between system types rather than pushing one option.
Getting ready for installation day
Clear access for equipment, mark wells, underground utilities and sprinkler lines, and plan where soil and materials will be staged. Your Riverton installer will call in utility locates before digging. Expect some disturbance to the yard, which is regraded and seeded or restored as part of the job.
What to avoid on a new system near Riverton
Avoid choosing an installer on price alone, starting before the permit is approved, or placing the field in a low spot that stays wet. Think about future plans for the yard, since a pool, addition or outbuilding cannot go over the field later.
New septic systems in Fremont County
New and replacement systems in Fremont County go through the Fremont 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 Riverton may differ from one in nearby communities. A local installer knows those differences.
What Riverton's soil means for a new system
Soils around Riverton range from good to very limited, so the system type depends on the results of the soil test on your lot. Riverton gets about 12 inches of precipitation a year, so water table limits are less common, though your soil test still decides the design. 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 Riverton that affect septic installation
Among the mapped soils within about two miles of central Riverton, the USDA soil survey rates 46% as very limited for septic absorption fields, 31% as somewhat limited and 22% as not limited. The most common drainage class is well drained. Conditions vary from lot to lot here, so a site evaluation is the only way to know how well a particular yard will handle a drain field.
Riverton averages about 12 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 25°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 Riverton means for septic installation
By drainage class, the USDA soil survey maps the land around Riverton as 65% well drained, 19% poorly drained, 16% somewhat poorly 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 Riverton
We do not have a septic company on file within 60 miles of Riverton yet. Send a request and we will find the closest companies for you.
About Riverton, WY
Riverton is in Fremont County, Wyoming. About 10,923 people live there, across 10.3 square miles of land (about 1,056 per square mile).
Septic Installation questions in Riverton
- Can I install a septic system myself?
- Most areas require licensed designers or installers and inspections. Check with the Fremont 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 Riverton. That company designs, installs and prices the system.