The Monona series, which the manual pairs with Ida, is described by the USDA as very deep, well-drained soil formed in loess on the ridges and side slopes of loess hills, on slopes up to 40 percent. Ida is its steeper, more calcareous partner: calcareous loess on slopes up to 60 percent, with carbonates starting within 10 inches of the surface. Both hold only about 18 to 27 percent clay, so water moves through them readily once it soaks in. That is mostly good news for pavement. The trouble starts when water runs across the surface instead, because silt that drains well also erodes readily, and a driveway edge on a slope is where that shows first.
Silt is also the classic frost-susceptible soil. Frost heave needs three things: freezing temperatures that reach into the ground, a supply of water, and fine-grained soil that draws that water toward the freezing front. Loess supplies the third without argument. Ice lenses grow in it, lift the pavement unevenly and crack it, and that is how the spring pothole season begins. The cold itself is serious at Eppley, with 62.5 nights a year at 20 degrees or lower and 10.7 at zero or below. Median freeze dates bracket the risk: the last 32-degree night of spring comes around April 21 and the first of fall around October 11.
The city's history explains why so many driveways here are old enough to be on a second or third surface. Bemis Park joined in 1887, Dundee, Benson and Florence between 1915 and 1917, Millard in 1971, and Elkhorn after a court fight that ended in 2007. Census Bureau estimates for 2020-2024 put 60.9 percent of the city's 213,023 housing units before 1980, and 16.6 percent in 2000 or later. Growth continues at the edges: Douglas County logged 3,963 building permits in 2025, and Sarpy County to the south grew 9.3 percent between the 2020 census base and mid-2025.
Work that reaches the street is regulated. The city's stormwater program treats any project that disturbs more than 250 square feet of street right-of-way, but less than an acre, as a linear underground project: Public Works must be notified 48 hours before it starts, and storm inlets, tracking and stockpiles have to be protected. Chapter 32 of the Omaha Municipal Code requires an erosion control permit once ground disturbance passes one acre and tells smaller sites to control their sediment anyway. Nebraska law adds a one-call notice at least two full business days before any excavation, which includes digging out a failed base.
Two product rules are worth knowing before anyone opens a bucket. No city, county or state ban on coal-tar sealer applies here: no Nebraska or Iowa jurisdiction appears on the national list of coal-tar bans kept by Coal Tar Free USA, which runs from statewide bans in Washington and Minnesota to Maine and Virginia. The choice between coal tar, asphalt emulsion and acrylic is the owner's. Separately, the city's stormwater program asks residents not to de-ice driveways with salt or sand, since storm inlets carry runoff untreated to the Papillion Creek system and the Missouri and Elkhorn rivers.
Rain arrives hard when it arrives. May is the wettest month at Eppley, averaging 4.76 inches and 7.8 days with a tenth of an inch or more, and the station records 7.2 days a year with an inch or more in a single day. The stormwater manual sizes drainage for 3.0 inches in 24 hours as the two-year storm and 6.7 inches as the 100-year storm, and it gives driveways a runoff curve number of 98, meaning almost nothing soaks in. Hail belongs to the same storm picture: Nebraska logged 315 hail events with stones an inch or larger in 2025, fourth among the states.