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Environmental testing in Butte County

Chico and Oroville are Butte County's largest cities, according to the Department of Finance, and Gridley and Biggs are among its smaller incorporated cities. Include the street address and the testing you want, and we check for a Butte County partner who can reach it. If no one is active there yet, we say so.

Save at least $100 with the Top Test Connect service credit.

Credit applies when you book with the partner testing company we match you with. One credit per request, no cash value.

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No obligation. You never have to use the tester we match you with.

Butte County homes by age

The American Community Survey counts roughly 93,000 housing units in the county. A little under half, about 49 percent, were standing by 1979, while about 23 percent were added after 2000. Half are older than 1981, the median.

For pre-1980 houses, sample ceiling texture, flooring and old furnace insulation before tearing them out. Lead is the other check: paint applied before 1978 may contain it, especially on exterior trim.

Valley heat and a wet winter

Chico's University Farm station records about 27 inches of rain in an average year, peaking in February, and July afternoons around 95°F (NOAA 1991-2020 normals).

Roughly 21 of those inches come between November and March, and a heavy storm in that stretch can drive water into a crawl space or under siding. A partner can trace moisture or sample suspected mold after water gets in.

Rural wells

Outside the cities, plenty of homes rely on a private well. Ask for well water testing and tell us what you're worried about, and the partner will suggest the right panel.

Smoke and fire testing

If smoke or ash reached a home in Butte County, you can request smoke and fire testing. A partner can sample soot and ash on surfaces and have their lab analyze it.

Butte County air district

Butte County has its own air district, the Butte County AQMD, CARB's list shows. Some demolition and renovation jobs in the county need an asbestos survey and a filing with that district beforehand.

Services

Nearby

  • North State
  • Glenn County
  • Tehama County
  • Plumas County
  • Yuba County
  • Sutter County
  • Colusa County

Questions

Do you take requests from Oroville and the foothills?

Yes, from anywhere in Butte County. We look for a partner who serves your address and let you know if no one does.

What does a well water test cover?

You and the partner decide. Bacteria, nitrate and metals are frequent requests, and the partner walks through options before sampling.

Request a tester

Use the city or ZIP on the form. The credit locks when the request is submitted.

Request a tester

Top Test Connect does not perform any testing, sampling, inspections, or abatement.

Request a tester