New Septic Systems for El Mirage Properties
Replacing a failed system or installing one for a new build in El Mirage involves more than digging a hole for a tank. Soil testing, system design, permits and inspections all shape the final result.
A local installer can tell you which system types are likely to work on your lot and what the process looks like.
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.
Working with local regulators
Septic rules exist to protect groundwater and neighbors' wells. Before installation, plans are reviewed for setbacks from wells, property lines and water. Inspectors typically check the work before it is covered. Ask your installer what approvals are needed in El Mirage and how long review usually takes.
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.
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.
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 El Mirage
Soil testing, design and permit review usually take longer than construction. In Maricopa 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 El Mirage 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 El Mirage installer to walk you through the site plan and explain why each part sits where it does.
New septic systems in Maricopa County
New and replacement systems in Maricopa County go through the Maricopa 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 El Mirage may differ from one in Youngtown, Litchfield Park, Glendale. A local installer knows those differences.
What El Mirage's soil means for a new system
Soils around El Mirage range from good to very limited, so the system type depends on the results of the soil test on your lot. El Mirage gets about 8 inches of precipitation a year, so water table limits are less common, though your soil test still decides the design.
Local conditions in El Mirage that affect septic installation
Among the mapped soils within about two miles of central El Mirage, the USDA soil survey rates 49% as very limited for septic absorption fields, 37% as somewhat limited and 14% 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.
El Mirage averages about 8 inches of precipitation a year, and August is usually the wettest month. December is the coldest month at about 52°F on average, so freezing is rarely the main concern here. Heavy rain and saturated ground are the bigger factors for drain fields.
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 El Mirage means for septic installation
By drainage class, the USDA soil survey maps the land around El Mirage as 86% well drained, 9% excessively drained, 5% somewhat 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 El Mirage
These are the septic companies in our directory closest to El Mirage, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- R K Yingling Septic, Surprise, AZ, 7.3 mi
- American Pumping Service Inc, Glendale, AZ, 8.0 mi
- AAAA Westwood Service, Glendale, AZ, 8.6 mi
- Septic Technologies Inc, Goodyear, AZ, 12.6 mi
- Patch Septic, Surprise, AZ, 13.8 mi
- PSC, Phoenix, AZ, 15.6 mi
Septic Installation in nearby towns
We also cover septic installation in these towns near El Mirage:
About El Mirage, AZ
El Mirage is in Maricopa County, Arizona. About 35,850 people live there, across 9.9 square miles of land (about 3,621 per square mile).
Septic Installation questions in El Mirage
- 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.
- Who approves septic installations in El Mirage?
- Septic permits are usually handled at the county or state level. Contact the Maricopa County health department to confirm the requirements for your property.