Septic companies in Atascadero, CA
3 septic companies on record in Atascadero, San Luis Obispo County. About 98% of mapped ground here is rated Very limited for septic drain fields, with slope the limiting feature.
Septic Permits in San Luis Obispo County
County of San Luis Obispo Department of Planning & Building opens in a new tab
What the ground in Atascadero is like
The USDA soil survey rates mapped ground in Atascadero for septic drain-field suitability across roughly 26 square miles. About 98% of the rated ground is classed "Very limited", meaning the soil has one or more features unfavorable for a conventional drain field, and the limits generally cannot be overcome without major soil reclamation, special design or expensive installation.
In Atascadero, the leading limit is slope: the ground falls steeply enough that a level trench line is hard to hold. A drain field has to sit across the grade without concentrating flow downhill; on steeper parcels that layout gets tighter. The survey flags that limit on about 73% of the rated ground here.
The limiting features the survey records most often here:
This is survey data for mapped areas, not a substitute for a site evaluation on your own lot. Conditions on a single parcel can differ from the map.
USDA NRCS SSURGO, ENG Septic Tank Absorption Fields · 98.1% Very limited · Slope · 62 map units · 26.07 sq mi · read 2026-08-30
Companies in Atascadero
- 30Clay's Septic ServicesRegister not checked(805) 929-5065
- 20Precision Septic, Inc.Register not checked(805) 859-4885
- 10Ingram & Greene SanitationRegister not checked(805) 466-0462