Crushed Stone ordered online by the ton. A dump truck delivers to your Onawa address and unloads right where you point.








Crushed stone comes in several sizes for Onawa projects, and the size you pick changes what the stone can do. From fine screenings for paver joints to large rip rap for erosion control, each product has a purpose.
Local conditions in Onawa affect how the stone performs. The area gets about 32 inches of precipitation a year, so drainage and washout planning matter when you choose your base and surface layers.
The most ordered crushed stone product for Onawa is 3/4 inch crushed stone, the all-purpose size for base and drainage. Here is a table of all the crushed stone sizes available, what they are for, and what to expect from each.
| Product | Best for | Note |
|---|---|---|
| 3/8" Crushed Stone | Paver setting bed and tight fill | Fine aggregate that locks tightly, ideal for small gaps and under paving stones. |
| 3/4" Crushed Stone | The all-purpose size for base and drainage | The go-to layer under driveways and for drainage trenches because it compacts well. |
| 1"-1 1/2" Crushed Stone | Heavy base and erosion control | Larger stone that stays in place under heavy loads and resists water flow. |
| 2"-3" Crushed Stone | Rip rap style edging and deep fill | Big, angular pieces used for ditch lining and as a retaining base in wet areas. |
| #57 Crushed Stone | Concrete aggregate, French drains, driveway base | A clean, open-graded stone that drains freely; common in concrete mix. |
| #67 Stone | Concrete mix and drainage backfill | Slightly smaller than #57, still open-graded for good drainage around pipes. |
| #8 Stone | Paver joints and pipe bedding | Small, clean stone that locks into paver gaps and cushions underground pipes. |
| #10 Rock Screenings | Leveling course under pavers | Dust-like fines that create a flat, compactable bed for interlocking pavers. |
Match your project to the right product and a general installation note.
| Project | What to order | Depth or note |
|---|---|---|
| Paver bedding | 3/8" Crushed Stone or #10 Rock Screenings | A leveling course that screeds flat under pavers. |
| Pipe backfill | #67 Stone | Surrounds pipes with clean, drainable material to prevent settling. |
| French drain | #57 Crushed Stone | Fills the trench around the perforated pipe for free water flow. |
| Driveway base layer | 3/4" Crushed Stone | A compacted base that supports traffic and resists rutting. |
| Concrete slab base | #57 Crushed Stone or #67 Stone | A stable, well-drained layer under poured concrete. |
Soils in the Onawa area are commonly somewhat poorly drained. This means you often need more base stone under your surface layer to handle moisture. The ground is in dual hydrologic group C/D: where drained, rain soaks in slowly and some runs off; where undrained, almost all water runs across the surface. That makes drainage design important.
The ground freezes deep and long in Onawa. About 151 days a year drop below 32F, so base layers must be deep enough to reduce frost heave. Hard freezes shape the calendar here, so base work is easier to get right from late spring through fall.
Onawa has about 58 wet days a year with at least a tenth of an inch of rainfall. Plan your delivery for a dry spell to keep the truck from sinking. Snowfall averages 31 inches a year, and plowing can scrape loose crushed stone; a top layer of larger material helps.
To figure out how many tons of crushed stone your project requires, measure the length, width and depth of the area, then use the crushed stone calculator to convert cubic yards to tons. The calculator accounts for compaction and density.
Ordering crushed stone from Gravel Monkey is done entirely online. You select the product, enter your ZIP code to see the delivered price, and choose a delivery window. Loads range from 1 to over 40 tons. Use code FIRSTTIMER50 for $50 off your first order.
Read more about how Gravel Monkey works on the About Gravel Monkey page. See what customers say on the Customer reviews page. Check Delivery information for full details on windows, fees and area coverage.
Several building materials often accompany crushed stone orders. Consider adding these for a complete job.
Your tonnage depends on your project size. In Monona County, new single-family home construction is uncommon (about 3 permits in 2024), so most orders are for smaller projects. Use the crushed stone calculator for a precise number.
Yes, Gravel Monkey delivers to Onawa and nearby towns. Delivery is by dump truck to your address. You must be available during the chosen window. The delivery date is set at checkout and must be at least 3 business days after the order date.
Order at least 3 business days before you need the stone. That is the minimum lead time. Earlier ordering secures your delivery window, especially in busy seasons.
No, you or someone you nominate must be present during the delivery window. If no one is there, the delivery may be missed and a redelivery fee can apply. The driver needs approval from the second confirmation email before unloading.
Before you order, make sure you order the right amount for your Onawa project. Use the calculator to estimate your tonnage, then order online for delivery. Visit the Onawa crushed stone delivery page to get started.
Crushed stone is also available for delivery in these nearby towns:
See the delivered price for your address and order crushed stone by the ton online. Loads run from 1 to over 40 tons, with free delivery on qualifying orders.
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