Representative Projects of Acorn Onsite, Inc.

Representative Projects we have been involved with.

Acorn Onsite, Inc. is a leading civil engineering and construction firm that specializes in septic systems. We enjoy working with property owners, architects, engineers, contractors, septic system installers, real estate agents, surveyors, and all types of clients to develop long-term wastewater solutions. We work throughout all counties in Central California, the Bay Area, and Central Coast. 


Below is a short listing of a few projects Acorn Onsite, Inc. has been heavily involved with.

Project Spotlight

Replacement septic system for dwelling, Castro Valley, Alameda County, CA

Considerations

Project Classification: Replacement for existing dwelling

Facility Type: Existing single family dwelling

Permitting Jurisdiction: Alameda county Department of Environmental Health

Site Constraints: Parcel size, creek running length of property, soils, terrain and topography


Solution

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Installer Acorn Onsite, Inc.

Service Provider: Property owner with technical assistance by Acorn Onsite, Inc.

Type of OWTS: Shallow trench pressure distribution


Narrative

A Castro Valley property owner dealt with a substandard septic system for years. The property owner found Acorn Onsite, Inc. and asked us for assistance to provide a solution to the failed septic system. Acorn Onsite, Inc. was happy to work with the property owner considering the full site build-out and future plans. Although the creek flowing through the property is relaxing it provided a challenge to work around for septic system design. Acorn Onsite, Inc. provided preliminary site exploration, opinion to the property owner on options to proceed, soil testing, design development, permitting, and installation services to the property owner. The property owner is now happy to have a fully compliant, operative septic system that he can have confidence in for many years to come.

Standing on the recently installed leach field looking toward the creek tree growth.

Standing on the recently installed leach field looking toward the creek tree growth.

Project Spotlight

New dwelling construction septic system, Livermore, Alameda County, CA

Considerations

Project Classification: Septic system to accommodate new dwelling construction

Facility Type: Large parcel agriculture, new caretaker dwelling

Permitting Jurisdiction: Alameda County Department of Environmental Health

Site Constraints: Seasonal creek, soils, terrain and topography


Solution

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Installer Acorn Onsite, Inc.

Service Provider: Property owner with technical assistance by Acorn Onsite, Inc.

Type of OWTS: Shallow trench pressure distribution


Narrative

A Livermore landowner wished to install a new caretaker dwelling for a ranch on Collier Canyon Road. She initially asked Acorn Onsite, Inc. for advice on septic system options. This lead to Acorn Onsite, Inc. developing an appropriate, fully compliant, new septic system for the proposed dwelling. Due to the relatively poor soils, seasonal creek, and other site constraints, a shallow trench pressure distribution leach field was used. Maintenance is done by the property owner with technical assistance by Acorn Onsite, Inc.

Pressure distribution leach field under construction in Livermore, Alameda County, CA

Pressure distribution leach field under construction in Livermore, Alameda County, CA

Project Spotlight

Replacement septic system for single family dwelling Martinez, Contra Costa County, CA

Considerations

Project Classification: Replacement for existing dwelling

Facility Type: Existing single family dwelling

Permitting Jurisdiction: Contra Costa Health Services

Site Constraints:  Terrain and topography, existing site uses


Solution

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Installer Stoddard Plumbing Concord, CA

Service Provider: Stoddard Plumbing

Type of OWTS: Conventional gravity leach field


Narrative

A Martinez, CA property owner tasked Acorn Onsite, Inc. with diagnosing an issue with an existing leach field. Acorn found that a neglected septic system that had never been maintained and septic system replacement was eminent. The existing septic system was installed 50+ years prior. 


Acorn Onsite, Inc. then preceded to conduct soil testing and design development through the applicable permitting agencies to result in a readily buildable replacement septic system design. The installation was done by Stoddard Plumbing based in Concord, CA.

Problem Diagnosis Spotlight

Livermore septic system problem solved!

After noticing some septic system issues, a Livermore Valley couple called Acorn Onsite, Inc. to diagnose the problem. Our expert staff determined that the existing leach field had reached the end of its useful life, having developed excessive bio-mat. In additional the property owners had built a garage over the leach field and the property had been red tagged by the county. To correct the problem, Acorn Onsite, Inc. was tasked with engineering a new OWTS to accommodate the failed system and legalization of the garage.


Considerations

Project Classification: Replacement for existing dwelling to accommodate garage construction

Facility Type: Existing single family dwelling

Permitting Jurisdiction: Alameda County EH

Site Constraints:  Existing site uses, shallow soils, existing end of life septic system

Solution

Problem Diagnose: Acorn Onsite, Inc.

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Installer: Acorn Onsite, Inc.

Service Provider: Acorn Onsite, Inc.

Type of OWTS: Shallow trench pressure distribution

New septic tank being installed for a Livermore Valley home replacement septic system.

New septic tank being installed for a Livermore Valley home replacement septic system.

Mountain Cabin Needing a Septic System

After years of no septic system, now the cabin has it!

Considerations

Project Classification: Replacement for existing cabin

Facility Type: Mountain cabin

Permitting Jurisdiction: Calaveras County Onsite Sewage Department

Site Constraints:  Terrain and topography, trees and existing site uses


Solution

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Installer: Local backhoe operator and property owner with technical assistance and specialty supplies by Acorn Onsite, Inc.

Type of OWTS: Shallow pressure distribution 


Narrative

A Calaveras County mountain cabin needed a septic system. Acorn Onsite, Inc. was asked to perform an initial site evaluation to determine the potentials. Acorn Onsite, Inc. found a solution and now the cabin is all set for years to come!

Carmel Highlands creek side property

Very small lot, with outdated house

 Considerations

Project Classification: Replacement to serve repalcement dwelling

Facility Type: Creek side cabin

Permitting Jurisdiction: Monterey County Bureau of Environmental Health

Site Constraints:  Terrain and topography, trees, creek, and permitting restrictions.

Solution

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Architect: Studio Schicketanz Carmel, CA

Installer: PSTS Inc. Carmel Valley, CA

Type of OWTS: Drip disperal

Narrative

An out of area property owner recently purchased a small creek side property on Palo Colorado Road, Carmel-By-The-Sea. The property owner tasked an architectural firm to design a replacement dwelling for the property. The architect then tasked Acorn Onsite, Inc. to determine and develop an onsite wastewater treatment system for the project. Acorn handled significant permitting issues for the property with ease and speed. Now the property has an appropriate septic system for years to come. 

Small creekside property in Carmel, CA developing a septic system solution.

Small creekside property in Carmel, CA developing a septic system solution.

Red-tagged dwelling now legal

Additions built on top of a failed leach field!

Considerations

Project Classification: Replacement for existing dwelling

Facility Type: 4 bedroom dwelling on small lot

Permitting Jurisdiction: Contra Costa Health Services

Site Constraints:  

Site uses, wells, and past bad decisions by previous owners.

Solution

Engineer of Record: Tim Johnston, PE, Acorn Onsite, Inc.

Installer: Stoddard Plumbing

Type of OWTS: Drip dispersal

Pretreatment technique: Anua Purasys

Narrative

A real estate investor purchased a property on Franklin Canyon Road, Martinez, CA with knowledge of many issues. As an investment he decided to attempt to correct the problems. Among which included past bad decisions by previous owners regarding the septic system and well locations. Acorn along with Stoddard Plumbing developed a solution that uses the best available technology to make the best of the situation. Significant pushback by the regulators was efficiently handled by Acorn. Now the property owner is pleased to have corrected the problem so the future is better for the property.

An example of the best available OWTS technology used on this constrained property.

An example of the best available OWTS technology used on this constrained property.

More to be posted soon, these are just a few of the 1000s we have been involved with.

Give us call to discuss your project and we'll let you know of a neighbor of yours we have worked for.

925-447-5200