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Earlier editions: 2026-09

Title 8 — HEALTH AND SAFETY›Chapter 8.20 — WELL CONSTRUCTION AND DESTRUCTION

Calaveras County Municipal Code Art. III Locations

Calaveras County Municipal Code · 2026-10 edition · updated 2026-10-04 · Calaveras County

Cite as: Calaveras County Municipal Code Article III · Text as of 2026-10-04

8.20.220 - Identification of subject property.

The well driller, or the authorized agent, shall ensure that the subject property is readily identifiable by conspicuously posting the assessors parcel number (APN), the street address, or both, at the access points of the property.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.230 - Well site identification.

The well driller, or the authorized agent, shall mark the proposed well site with a conspicuous well stake. The well stake shall be readily visible. The top of the stake shall be painted a bright color and marked with either "Well" or "Well Site."

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.240 - Site relocation.

A. If a proposed well site is relocated, after the initial well site inspection, the well driller, or the authorized agent, shall submit a re-inspection fee and request a site re-inspection for the new location. In no case shall drilling commence at the new location until approved for drilling.

B. Verbal approval to commence work at a new location, unless otherwise authorized by the director, is prohibited.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.250 - Abandoned wells.

A. All persons owning an abandoned well, except those abandoned wells that are excluded by Section 115700, Part 9.5, Division 104 of the California Health and Safety Code, shall have the abandoned well destroyed.

B. As a condition of a new well permit, any abandoned wells on the property shall be destroyed in accordance with standards prescribed in this chapter, prior to commencing work on the new well.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.260 - Excluded excavations.

This chapter shall apply to excavations that are greater than twenty feet in depth.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.270 - Minimum setbacks.

A. All water wells shall be located at an adequate horizontal distance from potential sources of contaminates and pollutants.

B. The following setbacks shall be maintained:

Minimum Set Back Distances

Minimum Distance from: Feet
Property line of parcels that are less than five acres in area 10
Property line of parcels that are five acres or more in area 50
Adjacent Road Easement where no specified right of way is identified 30*
On-site road easement where no specified right-of-way is identified 30**
Utility easement 10
Any sewer line (e.g., sanitary, industrial, main or lateral or combined storm water drain) 50
Subsurface sewage leach field or other sewage dispersal area 100
Watertight septic tank 100
Seepage pit or cesspool (The use of cesspools is prohibited.) 150
Underground storage tank (petroleum products, e.g., gasoline and diesel) 150
Animal enclosures 100
Surface water (e.g., ponds, lakes, reservoirs, streams, brooks, flood plains and seasonal drainage channels) 25
Permanent structure 10
Active or inactive well on neighboring parcel 25
Animal water trough 25

* 30 feet from the center line of the road or the property line setback, whichever is greater.

** 30 feet from the center line of the road.

C. The director may require the use of setback distances greater than the above minimum distances and the installation of additional protections when adverse conditions or hazards present a potential threat to groundwater.

D. It shall be the responsibility of the well contractor to ensure compliance with setbacks.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.280 - Groundwater protection zones.

A. The director may designate specific areas as groundwater protection zones, where contaminants or pollutants are known to occur and where the construction of a well would penetrate an aquifer. In areas designated as groundwater protection zones, the director may require the installation of special well seals to prevent the mixing of water between contaminated and uncontaminated aquifers. If an applicant proposes to construct, reconstruct, or destroy a well in a groundwater protection zone, the director may require the applicant to provide a report, prepared by a registered geologist or registered civil engineer (California Business and Professions Code Sections 7850 and 6762 respectively), that identifies all strata containing contaminated or polluted water and recommending locations of any seal or seals that are deemed necessary to prevent the mixing of water between aquifers.

B. It is the responsibility of the well driller to notify the department of the existence of multiple aquifers prior to the grout seal inspection.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

8.20.290 - Accessibility.

New wells shall be located so as to be easily accessible by workers to facilitate repairs and to provide adequate clearances for any equipment required for the cleaning, treatment, repair, testing and other maintenance of the new well or associated equipment.

(Ord. No. 2946, § 1, 5-6-2008).

Exceptions & meaning →

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