Skip to content
Grand Jury Hub
← Report overview
Response synthesis and audit

Board response to the mining oversight report

The Board agrees with several oversight and information gaps while disputing others. It promises an inspection-reporting schedule and improved documentation, proposes further review of fees and an advisory committee, and declines several enforcement, staffing, resource-study, and public-information recommendations.

Response by Calaveras County Board of Supervisors · 2025-08-12

17

Addressed

11

Partially addressed

0

Not addressed

0

Unclear

County's stated disposition

These categories reflect the County's response to each recommendation, separate from this audit's assessment.

4

Implemented

6

Will be implemented

2

Requires further analysis

4

Will not be implemented

1

Unclear

How to read this audit

This review assesses the response document, not the truth of agency claims, legal compliance, or verified implementation. Where the County calls an action implemented, the audit distinguishes its supporting description from the full scope of the recommendation.

Item-by-item review

Findings and recommendations

Assessments describe whether the response engages each cited item. Finding scores separately describe statutory-elements completeness under California Penal Code § 933.05(a) and public usefulness. They do not independently verify the response or constitute a legal conclusion.

Showing 28 of 28 items

finding · F1

Annual mining reports to the Board

Audit: Addressed

Response says

The County agrees and says the zoning code and General Plan do not require these updates.

Audit analysis

The agreement covers the finding, identifies the local provisions behind its explanation, and leaves the jury’s legal interpretation unresolved.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

10/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

6/6

Public usefulness

Coverage
2/2
Reason specificity
2/2
Support traceability
2/2

The agreement covers the finding, identifies the local provisions behind its explanation, and leaves the jury’s legal interpretation unresolved.

Scoring confidence: high

recommendation · R1a

Annual mine inspection reporting and Board oversight

County: Will be implementedAudit: Partially addressed

Response says

The County promises partial implementation through an annual inspection-reporting schedule by December 31, 2025.

Audit analysis

A schedule is promised, but the response does not fully specify the recommended administrative actions, enforcement recommendations, or Board agenda treatment.

Extracted commitments

Adopt a schedule for reporting annual mine inspection results to the Board.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

recommendation · R1b

Annual mine inspection reporting and Board oversight

County: Will be implementedAudit: Partially addressed

Response says

The County promises partial implementation through an annual inspection-reporting schedule by December 31, 2025.

Audit analysis

A schedule is promised, but the response does not fully specify the recommended administrative actions, enforcement recommendations, or Board agenda treatment.

Extracted commitments

Adopt a schedule for reporting annual mine inspection results to the Board.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

finding · F2

Recording violations in inspection reports

Audit: Addressed

Response says

The County disagrees, citing State review of its annual reports and asserting it need not exceed legal reporting requirements.

Audit analysis

The disagreement and reason are explicit, but the response does not resolve the specific omission of violations or the asserted consequence for lead-agency authority. Annual inspection reports provide a checkable record type.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

8/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

4/6

Public usefulness

Coverage
1/2
Reason specificity
1/2
Support traceability
2/2

The disagreement and reason are explicit, but the response does not resolve the specific omission of violations or the asserted consequence for lead-agency authority. Annual inspection reports provide a checkable record type.

Scoring confidence: high

recommendation · R2a

Document violations and financial-assurance issues

County: ImplementedAudit: Addressed

Response says

The County calls this implemented through MRRC-1 reports and work with operators.

Audit analysis

The response specifically addresses permits, reclamation plans, inspection observations, and financial assurances and identifies a reporting form and regulation.

recommendation · R2b

Annual mine inspection reporting and Board oversight

County: Will be implementedAudit: Partially addressed

Response says

The County promises partial implementation through an annual inspection-reporting schedule by December 31, 2025.

Audit analysis

A schedule is promised, but the response does not fully specify the recommended administrative actions, enforcement recommendations, or Board agenda treatment.

Extracted commitments

Adopt a schedule for reporting annual mine inspection results to the Board.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

finding · F3

Enforcement, fairness, and financial liabilities

Audit: Addressed

Response says

The County disagrees, describes work with operators and mine closures, and says it knows of no unaddressed hidden liabilities.

Audit analysis

Concrete closure activity in 2024-2025 supports the explanation, but the response does not fully address equal treatment, financial penalties, or reporting violations to the Board.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

9/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

5/6

Public usefulness

Coverage
1/2
Reason specificity
2/2
Support traceability
2/2

Concrete closure activity in 2024-2025 supports the explanation, but the response does not fully address equal treatment, financial penalties, or reporting violations to the Board.

Scoring confidence: high

recommendation · R3a

Annual mine inspection reporting and Board oversight

County: Will be implementedAudit: Partially addressed

Response says

The County promises partial implementation through an annual inspection-reporting schedule by December 31, 2025.

Audit analysis

A schedule is promised, but the response does not fully specify the recommended administrative actions, enforcement recommendations, or Board agenda treatment.

Extracted commitments

Adopt a schedule for reporting annual mine inspection results to the Board.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

recommendation · R3b

Board enforcement against noncompliant operators

County: ImplementedAudit: Partially addressed

Response says

The County calls the recommendation implemented through cooperative compliance work and says it will act when operators do not work toward compliance.

Audit analysis

The response describes cooperation and conditional future enforcement, rather than identifying Board-issued penalties or corrective orders. Its implementation label is retained as the agency’s stated disposition.

finding · F4

Accuracy of disturbed-acreage reporting

Audit: Addressed

Response says

The County disagrees, citing approved historical site maps and operators’ annual acreage reports.

Audit analysis

The response explains its reliance on previously approved maps and annual reports, but does not demonstrate verification of current disturbed acreage. It nevertheless addresses the uncertainty alleged with identifiable record types.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

10/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

6/6

Public usefulness

Coverage
2/2
Reason specificity
2/2
Support traceability
2/2

The response explains its reliance on previously approved maps and annual reports, but does not demonstrate verification of current disturbed acreage. It nevertheless addresses the uncertainty alleged with identifiable record types.

Scoring confidence: high

recommendation · R4

Comprehensive inspection documentation

County: Will be implementedAudit: Partially addressed

Response says

The County promises partial implementation, annual annotated photographs, and requests for updated scaled maps as needed by December 31, 2025.

Audit analysis

The commitment addresses photographs and reporting, but makes updated maps conditional rather than ensuring they accompany every relevant inspection.

Extracted commitments

Improve inspection reports, include annual annotated photographs, and request updated scaled maps as needed.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

finding · F5

Internal review of operators’ technical information

Audit: Addressed

Response says

The County agrees and promises better reports, photographs, and requests for updated maps.

Audit analysis

Agreement covers the compound finding, but the explanation is a prospective plan rather than a reason for minimal internal verification or evidence of current review practices.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

8/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

4/6

Public usefulness

Coverage
2/2
Reason specificity
1/2
Support traceability
1/2

Agreement covers the compound finding, but the explanation is a prospective plan rather than a reason for minimal internal verification or evidence of current review practices.

Scoring confidence: high

recommendation · R5a

Qualified preparation and internal technical review

County: ImplementedAudit: Partially addressed

Response says

The County reports that licensed professionals prepare financial-assurance cost estimates for all active sites.

Audit analysis

The response covers preparation of cost estimates but not all technical information or review by qualified individuals acting for the County.

recommendation · R5b

Updated engineered maps at each annual inspection

County: Will be implementedAudit: Partially addressed

Response says

The County promises partial implementation through improved reports and updated scaled-map requests as needed by December 31, 2025.

Audit analysis

An as-needed request is narrower than an updated engineered map at every annual inspection.

Extracted commitments

Request updated scaled site maps as needed and improve inspection documentation.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

finding · F6

Flat inspection fees

Audit: Addressed

Response says

The County agrees and cites the Board’s 2019 reduction from $615 to $205.

Audit analysis

The dated fee action supplies concrete support for the flat-fee practice and a checkable Board record.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

10/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

6/6

Public usefulness

Coverage
2/2
Reason specificity
2/2
Support traceability
2/2

The dated fee action supplies concrete support for the flat-fee practice and a checkable Board record.

Scoring confidence: high

recommendation · R6

Recover reasonable inspection costs

County: Requires further analysisAudit: Addressed

Response says

The County requires further analysis and will evaluate the fee by December 31, 2025.

Audit analysis

The response identifies the analysis and deadline without committing to time-and-materials charges.

Extracted commitments

Evaluate whether the current mining inspection fee needs updating.

Responsible party
Planning Department
Timing
2025-12-31 · Exact date

finding · F7

Expired interim management plans

Audit: Addressed

Response says

The County disagrees and says idle operators are working toward reclamation or closure after plan expiration.

Audit analysis

The response identifies its disagreement and offers an operational explanation, but does not explain how those efforts resolve the alleged noncompliance. It names no sites or records supporting the assertion.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

7/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

3/6

Public usefulness

Coverage
1/2
Reason specificity
1/2
Support traceability
1/2

The response identifies its disagreement and offers an operational explanation, but does not explain how those efforts resolve the alleged noncompliance. It names no sites or records supporting the assertion.

Scoring confidence: high

recommendation · R7

Notice of noncompliance and prompt reclamation

County: Will not be implementedAudit: Addressed

Response says

The County declines the recommendation as unreasonable because operators are already working toward reclamation or closure.

Audit analysis

The refusal and alternative approach are explicit; the response does not establish the legal status of expired plans.

finding · F8

Assess future mineral supply and demand

Audit: Addressed

Response says

The County agrees and cites General Plan measures RP-4C, RP-4D, and RP-4G as future work subject to Board direction.

Audit analysis

Agreement covers the finding and names specific planning measures, but supplies a prospective response rather than an explanation of the missing supply-and-demand analysis.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

9/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

5/6

Public usefulness

Coverage
2/2
Reason specificity
1/2
Support traceability
2/2

Agreement covers the finding and names specific planning measures, but supplies a prospective response rather than an explanation of the missing supply-and-demand analysis.

Scoring confidence: high

recommendation · R8

Partner with the California Geological Survey

County: Will not be implementedAudit: Addressed

Response says

The County declines, saying no law requires the proposed partnership, while identifying other General Plan work.

Audit analysis

The refusal is explicit and explains the chosen alternative. The audit does not decide whether a legal mandate is necessary for the recommended policy action.

finding · F9

Track and schedule mineral-management objectives

Audit: Partially addressed

Response says

The County disagrees and repeats proposed implementation of General Plan measures.

Audit analysis

The response identifies the finding as disputed but offers future intentions rather than explaining existing tracking or schedules. The named measures on pages 8-9 are checkable, although they do not themselves establish tracking.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

7/10

3/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
1/2

4/6

Public usefulness

Coverage
1/2
Reason specificity
1/2
Support traceability
2/2

The response identifies the finding as disputed but offers future intentions rather than explaining existing tracking or schedules. The named measures on pages 8-9 are checkable, although they do not themselves establish tracking.

Scoring confidence: high

recommendation · R9a

Tracking mechanisms and completion timetables

County: UnclearAudit: Partially addressed

Response says

The County reports partial implementation through annual General Plan reporting and declines to commit to implementation deadlines.

Audit analysis

The response addresses progress reporting but does not commit to reasonable completion timetables. Because it describes a mixed partial-completion/refusal position, no single complete implementation disposition can be assigned.

recommendation · R9b

Mineral Advisory Committee

County: Requires further analysisAudit: Addressed

Response says

The County will consider the committee in the next annual General Plan report after reviewing roles, composition, bylaws, and appointments.

Audit analysis

The response identifies the proposed analysis and next reporting event, but supplies no calendar date or promise to establish the committee.

Extracted commitments

Consider creation, roles, membership, bylaws, and appointments for a Mineral Advisory Committee.

Responsible party
Board of Supervisors
Timing
During the next annual General Plan report to the Board. · Bounded timeframe

recommendation · R9c

County Geologist

County: Will not be implementedAudit: Addressed

Response says

The County declines, citing no statutory or General Plan requirement and substantial financial costs.

Audit analysis

The response directly explains its refusal; the audit does not determine whether appointing a geologist would be beneficial.

finding · F10

Current abandoned-mine inventory for departments

Audit: Addressed

Response says

The County agrees and says producing a map would require resources and may be considered when funding permits.

Audit analysis

Agreement covers the finding. The resource explanation is general and identifies no estimate, work plan, or supporting record.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

7/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

3/6

Public usefulness

Coverage
2/2
Reason specificity
1/2
Support traceability
0/2

Agreement covers the finding. The resource explanation is general and identifies no estimate, work plan, or supporting record.

Scoring confidence: high

recommendation · R10

Shared abandoned-mine database

County: ImplementedAudit: Partially addressed

Response says

The County calls this implemented because it holds historic mineral-survey maps available for private landowner inquiries.

Audit analysis

Historic maps available on request do not establish a maintained database usable across County and State departments. The response’s implementation label exceeds the scope demonstrated in its explanation.

finding · F11

Public abandoned-mine information and hazard resources

Audit: Addressed

Response says

The County agrees and points to the Department of Conservation’s Abandoned Mine Lands Unit.

Audit analysis

The response accepts the finding and identifies the State unit as a checkable resource, but does not explain the absence of County information or provide a County reporting process.

Finding-response score

Document completeness and usefulness—not factual verification or a legal conclusion.

9/10

4/4

Statutory elements

Stated position
2/2
Applicable disagreement elements
2/2

5/6

Public usefulness

Coverage
2/2
Reason specificity
1/2
Support traceability
2/2

The response accepts the finding and identifies the State unit as a checkable resource, but does not explain the absence of County information or provide a County reporting process.

Scoring confidence: high

recommendation · R11

County website reporting and mitigation guidance

County: Will not be implementedAudit: Addressed

Response says

The County declines as unwarranted, directing landowners to the State Abandoned Mine Lands Unit.

Audit analysis

The refusal and alternative contact are explicit. Naming the State unit in this letter does not establish the recommended County website process.