New Septic Systems for Sheridan Properties
Whether you are building a new home in Sheridan 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 Sheridan and Ranchester will explain the process from site evaluation to final inspection.
From soil test to finished system
A septic installation starts with a soil and site evaluation, which decides what kind of system the lot can support. A designer then sizes the system for the number of bedrooms, the plan goes to the Sheridan County health department for a permit, and the installer digs, sets the tank and builds the drain field before a final inspection.
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.
Approvals you will need
Plan on a permit for any new or replacement system. Regulators typically want a site evaluation, a design that meets local code and an inspection before the system is covered. Your installer or designer often handles the paperwork, but the permit is tied to your property, so keep copies.
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.
Caring for a new septic system
Keep a copy of the design and as-built drawing, schedule your first pumping as recommended, and keep vehicles and structures off the tank and field. Plant only grass over the dispersal area and direct roof and yard runoff away from it. Systems with pumps or treatment units need regular service to stay under warranty.
Questions to ask an installer
Ask who performs the soil evaluation and design, whether they handle permits, what system types they recommend and why, and how long the project will take. Ask about warranty terms and what maintenance the system will need.
How long a new system takes near Sheridan
Soil testing, design and permit review usually take longer than construction. In Sheridan County, wet seasons and frozen ground can delay soil evaluations, and review times vary through the year. Once the permit is in hand, most installations take a few days to a couple of weeks.
Mistakes to avoid on a Sheridan installation
The most expensive mistakes happen before the digging starts. Skipping the soil evaluation, choosing a system on price alone, or placing the drain field where future driveways, pools or additions will go all lead to trouble later. Undersizing the tank for the number of bedrooms is another common one. Ask your Sheridan installer to walk you through the site plan and explain why each part sits where it does.
New septic systems in Sheridan County
New and replacement systems in Sheridan County go through the Sheridan 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 Sheridan may differ from one in Ranchester. A local installer knows those differences.
What Sheridan's soil means for a new system
Soils around Sheridan range from good to very limited, so the system type depends on the results of the soil test on your lot. Sheridan gets about 20 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 Sheridan that affect septic installation
Among the mapped soils within about two miles of central Sheridan, the USDA soil survey rates 53% as very limited for septic absorption fields, 40% as somewhat limited and 8% 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.
Sheridan averages about 20 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 28°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 Sheridan means for septic installation
By drainage class, the USDA soil survey maps the land around Sheridan as 86% well drained, 4% moderately well drained, 3% somewhat excessively drained, 3% poorly drained, 2% somewhat poorly drained, 2% excessively drained. Most of the soil here drains reasonably well, so a conventional trench field is often possible where the lot allows, but the soil test still decides.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Sheridan
These are the septic companies in our directory closest to Sheridan, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Big Horn Sani-Douglas Portable, Sheridan, WY, 2.3 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near Sheridan:
- Ranchester, 12.6 mi
About Sheridan, WY
Sheridan is in Sheridan County, Wyoming. About 19,543 people live there, across 12.7 square miles of land (about 1,541 per square mile).
Septic Installation questions in Sheridan
- How long does septic installation take?
- Installation itself often takes a few days to two weeks. Soil testing, design and permit review can add several weeks, so plan ahead.
- 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 Sheridan. That company designs, installs and prices the system.