Septic Tank Risers for Yakima Homes
Easy access makes septic care simpler. Risers and lids let you and your septic company check the tank without digging up the yard, and they make it far easier to find the tank later.
Companies that work across Yakima County can add risers to most existing tanks.
Why tanks are buried so deep
Older installations often placed lids well below the surface, sometimes to protect them from freezing or damage. That made sense at the time, but it means every pump-out starts with digging. Risers solve that without moving the tank.
Why homeowners add risers
Risers save time and money on every pumping and inspection because no digging is needed. They make it easy to check the filter, see problems early and get to the tank fast in an emergency. Many homeowners add them the first time a crew has to dig for buried lids.
A typical riser installation
Most riser jobs take a few hours. The tank openings are dug out, the riser is sealed to the tank, trimmed to sit at or just above grade, and a locking lid is installed. Doing it the same day as a pumping saves a second dig.
Keeping lids secure
A secure lid is a safety requirement, not an option. Check lids once in a while for cracks or loose screws. If a lid is damaged, cover the opening and call for a replacement.
What a riser job costs depends on
The price depends on how many openings get risers, how deep the tank is buried, whether plastic or concrete is used, and whether the job is done during a pumping visit. Deeper tanks need taller risers and more digging, which adds labor time.
Questions to ask about risers
Ask how many openings your tank has, which should get risers, what material they use, and whether lids are secured with screws or locks. Ask if they can install during your next pumping.
Getting the right fit
Tank openings vary in size and shape, so your installer will measure before choosing parts. The riser must seal tightly to the tank so groundwater stays out, and the lid must lock so it cannot be opened by children or pets. Ask your Yakima septic company which options they recommend for your tank and why.
Living with risers
With risers in place, future pumping and inspections are faster and cleaner. Keep the lids visible, do not cover them with mulch or landscaping, and check every so often that the screws are tight and the lids are not cracked.
When risers make the most sense
Risers pay off fastest on tanks buried more than a foot deep, on properties that need frequent pumping, and on systems with an effluent filter that should be cleaned regularly. Homes in Yakima that are being sold often add risers so the buyer's inspector can see the tank quickly. They are also a common upgrade after a repair, while the tank is already uncovered.
Risers on Yakima County septic tanks
Many older tanks in Yakima County were buried deep with no easy access, so riser installation is a common job for companies serving Yakima and Union Gap, Selah, Moxee. Adding them during the next pumping visit avoids digging twice.
Risers and lids for Yakima weather
Where soils are rated very limited, as most mapped soils near Yakima are, frequent checks of the tank and filter help protect the drain field. Risers make those checks quick. Yakima gets about 20 inches of precipitation a year, so risers here are mainly about access and saving the cost of digging. With about 2 months below freezing, an insulated lid can help protect the tank opening in winter.
Local conditions in Yakima that affect septic riser and lid installation
Among the mapped soils within about two miles of central Yakima, 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.
Yakima averages about 20 inches of precipitation a year, and December is usually the wettest month. Average temperatures stay below freezing for about 2 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 Yakima means for septic riser and lid installation
By drainage class, the USDA soil survey maps the land around Yakima as 74% well drained, 18% somewhat poorly drained, 8% somewhat excessively drained. Risers bring the tank lids to the surface, which makes regular pumping and inspection quicker and cleaner.
Source: USDA NRCS Soil Survey (SSURGO), Soil Data Access
Septic companies near Yakima
These are the septic companies in our directory closest to Yakima, with straight-line distance. Call any of them directly, or send one request and we will pass it to the best match.
- Selah Septic Service, Union Gap, WA, 2.7 mi
- Lowrie Glenn Backhoe, Selah, WA, 3.7 mi
- Cliff's Septic, Union Gap, WA, 4.0 mi
- Acme Septic Service, Union Gap, WA, 4.0 mi
- Bill's Septic Service, Union Gap, WA, 4.0 mi
- Septic Design Specialists LLC, Selah, WA, 7.3 mi
Septic Riser and Lid Installation in nearby towns
We also cover septic riser and lid installation in these towns near Yakima:
About Yakima, WA
Yakima is in Yakima County, Washington. About 96,750 people live there, across 27.9 square miles of land (about 3,473 per square mile).
Septic Riser and Lid Installation questions in Yakima
- How long does riser installation take?
- Usually a few hours, often done during a pumping visit.
- Will risers make my yard look worse?
- Lids sit at or just above ground level and are usually green or tan. Many homeowners find them less noticeable than the patches left by repeated digging.
- Can I mow over a septic riser?
- Most lids sit at grade so you can mow around them easily. Avoid driving heavy equipment over them unless they are traffic rated.
- Is SepticTank.com the company that installs risers?
- No. SepticTank.com connects you with an independent local septic company that serves Yakima. That company does the work and sets its own prices.