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Josephine County

Dust control for Grants Pass and Josephine County roads

We come out from Medford to spray driveways, private roads and lots across Josephine County. The county keeps 570 miles of road. If yours is not one of them, the county's answer is that the people who live on it look after it.1

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31.31inrain in a normal year at Grants Pass

1.31inof it from June through August

Normal monthly rain, Grants Pass and Medford airport Bar chart of 1991 to 2020 normal monthly precipitation. Grants Pass peaks at 6.55 inches in December and falls to 0.26 inches in August. Medford airport peaks at 3.53 inches in December and falls to 0.24 inches in July. Jun–Aug 0 2 4 6 in J F M A M J J A S O N D 6.55 0.26 Normal monthly rain, Grants Pass and Medford airport Bar chart of 1991 to 2020 normal monthly precipitation. Grants Pass peaks at 6.55 inches in December and falls to 0.26 inches in August. Medford airport peaks at 3.53 inches in December and falls to 0.24 inches in July. Jun–Aug 0 2 4 6 in J F M A M J J A S O N D 6.55 0.26
Grants Pass Medford airport

NOAA 1991–2020 normals, inches of rain per month.23

The job here

What's different about dust control here.

  • Soil

    Around Grants Pass, Merlin and Williams, the county soil survey groups soils that "formed in material derived dominantly from granitic rock", and warns that "when the soils in this group are disturbed, the hazard of erosion is high."4

  • Soil

    Holland sandy loam, one of the county's mapped soils, sits on a subsoil "over decomposed granite".4

  • Dust

    For Manita loam the survey names the problem outright: "the main limitations are steepness of slope and dustiness when the soil is dry."4

  • Road surface

    What we spray, lignin sulfonate, is especially good on roads with more dirt and sand. A road short on fine material tends to washboard; federal guidance says "a fines content … of between 12 and 15 percent is typically required."5

  • Climate

    Grants Pass gets 31.31 inches of rain in a normal year but only 1.31 inches from June through August. July's normal high is 90.5°F, with about 55 days a year at 90°F or more.2

  • Climate

    That is far wetter than Medford over the year (31.31 against 18.43 inches), with a summer every bit as dry.23

  • Landmark

    Downriver, the Hellgate Recreation Area runs "27 miles long, from the mouth of the Applegate River to Grave Creek."6

  • Landmark

    The Applegate Valley wine region reaches into both Jackson and Josephine counties.7

Who maintains your road here

Four kinds of road in Josephine County.

  1. County-maintained

    Josephine County keeps "570 miles of county-maintained roads". Questions about one go to Public Works at (541) 474-5460.1

  2. Local access

    Public roads that "have not been accepted into Josephine County's maintained road system". The county's own answer to who maintains them: "People who live on the road."1

  3. Private

    The county says it has no jurisdiction over private roads, and that disputes between owners "are civil matters".1

  4. Federal forest

    Forest roads are outside the county's jurisdiction too. Those go to the agency that runs them.1

We found no Josephine County dust abatement program. Call Public Works to confirm for your road.1

Shared roads

No county program. The neighbors decide.

With no county program to lean on, a shared gravel road in Josephine County gets treated when the people on it agree to treat it. That makes the conversation between neighbors the first job, before any truck shows up.

One call covers the whole road. Tell us where it starts and stops and how many households use it, and we quote the whole road in one go.

Timing here

The rain chart is the season.

The chart at the top of this page is the whole story: Grants Pass is wet from October to April and close to bone dry from June to September.2 Dust shows up when the rain stops.

ODF's Southwest Oregon District started the 2026 fire season on May 15.8 In regulated-use season, ODF says motor vehicles "are only allowed on improved roads free of flammable vegetation."9 The ODF Grants Pass Unit is at 5375 Monument Dr.10

What we treat around Grants Pass

Read first

Call or send it

Call from Josephine County.

Call from the property or send the road. We call back seven days a week, 8am to 6pm.

541-613-0067

Or send the road details

Step 1 of 5

What are we treating?
Where is it?

Who maintains this road? optional

About how long is it?

A guess is fine.

Measure it on a satellite map Tap along your road and we see exactly where it is. Your answers come with you.
When do you want it done?
Who do we call back?

We call you back to talk it through. No spam, no list. Rather talk now? Call 541-613-0067.

Sources

  1. Josephine County Public Works, frequently asked questions
  2. NOAA NCEI 1991–2020 climate normals, Grants Pass (USC00353445)
  3. NOAA NCEI 1991–2020 climate normals, Medford Rogue Valley Airport (USW00024225)
  4. USDA, Soil Survey of Josephine County, Oregon (1983)
  5. FHWA, Unpaved Road Dust Management: A Successful Practitioner’s Handbook (2013), chapter 5
  6. Bureau of Land Management, Rogue Wild and Scenic River
  7. 27 CFR 9.165, Applegate Valley viticultural area
  8. Jackson County news: ODF Southwest Oregon District declares 2026 fire season
  9. Oregon Department of Forestry, Southwest Oregon District regulated-use restrictions
  10. Jackson County Emergency Management, fire danger level (ODF unit offices)

Read on 24 October 2026. Quoted text is the source's own wording.

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