Sonoma County OWTS Revision 9
The North Coast Regional Board officially approved the new Sonoma County OWTS Manual on June 5, 2026. V9.0 of the OWTS Manual is now in effect.
Team Walk – Mud Pies
We had a super afternoon at Laguna de Santa Rosa regional park just south of the Town of Sebastopol. The whole team got out in the sun which we all needed badly. Fortunately, as engineers, we all have boots for those tim…
Hills are Alive with Percs
Digging percolation holes can be back breaking, but hard not to enjoy the view while twisting the auger around and around. With such a short open season this year, we’ve been busy digging holes! When our county is in a c…
Ground Water Observations…What are they?
On flat properties and in certain soil types, rainwater that soaks into the ground will accumulate at shallow depths. This perched groundwater can affect the operation of septic systems, as well as the impact to water qu…