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Septic System Program
A permit is required prior to the installation
of a new or replacement septic tank and leach field or the repair of an existing failing system. A permit application must
be submitted along with a complete site plan, fee, and soil test data. All soil test data is required in Modoc County, except
for system repairs. Soil tests can include, but not limited to, the
excavation of a soil profile pit so that the profile can be logged and at least three percolation tests. On occasion other
tests may be requested. Tests must be done by, or under the supervision of, a qualified registered civil engineer, registered
geologist, registered environmental health specialist, certified engineering geologist, or soil scientist certified by the
American Registry of Certified Professionals in Agronomy, Crops and Soils, or a contractor with a C36, C42 or Gen A.
California State Contractors License approved by this office.
Septic system permits
are issued after EHD staff determine a site is suitable for a septic system and are valid for one year. EHD staff must inspect
the system prior to backfilling to verify compliance with terms of the permit and sewage disposal standards. A copy of the
standards may be obtained from the EHD.
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Suggested Steps To Developing a Piece of Property 1. Stake out and flag your property boundaries. Then draw a map (to scale)
on graph paper.
2. Identify the required easements/right of ways, as well as all Subdivision CC&R's
requirements (if applicable) that apply toyour piece of property (usually found on your property's deed).
a. Add these to your map
3. Now go to the Planning Department and Identify Zoning
and Use limitaion, as well as State Responsibility Area setbacks/requirements (if applicable).
a.
Add these to your map
4. Once you have drawn a map identifying all the setbacks which apply, contact Environmental
Health to find out how to have a Percolation Test done to see if your parcel's soil is suitable to sustain an On-site
Sewage Disposal System (if needed).
a. If the Percolation Test is approved, and all
the required setbacks are met, then a Permit for the construction of an On-site Sewage Disposal System will be issued.
b. In addition to the above, a Well Installation Permit must be obtained before the construction
of a well. After you get the permit for a septic system we recommend that a well be drilled before the installation
of an On-site Sewage Disposal System in order to ensure water availability.
c. Both a Well
Permit and an On-site Sewage Disposal System Permit must
be issued before a Building Permit will be issued.
5. Once you have updated your map with the sewage disposal and well areas, and have permits, contact the Building
Department in order to find out their requirements for obtaining a building permit.
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NOTE:
If you are a Contractor
and would like to be added to our list please submit a request at our office.
Environmental Health 202 West 4th
Street, Alturas
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-Links for Septic Applications & Information-
Septic Permit Application
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