Fluoride Variance Approved for CC&V Carlton Tunnel

The Water Quality Control Commission approved a discharger-specific variance for fluoride for Cripple Creek & Victor Gold Mining Company’s Carlton Tunnel discharge, setting a 3.2 mg/L daily maximum alternative effluent limit. The six-year variance, expiring December 31, 2031, mandates a pollutant minimization program with filtration and ozone treatment testing and a bulkhead study.

Scope & details

The full contract record, as filed.

Contract type

OTHER

Contract term

Adopted 6/10/2025; expires 12/31/2031 (six-year variance term)

Renewal date

2031-12-31

Renewal

Variance adopted 6/10/2025 with a six-year term expiring 12/31/2031; commission will review PMP implementation and treatment testing results before term end and may consider a subsequent variance if meeting fluoride WQBELs remains infeasible.

Document type

Policy

Source document

water_quality_control_commission_regulation_32_ame.md

Frequently asked questions

Common questions about this contract, answered from the record.

Who was awarded the government contract by Colorado Division of Housing?

Cripple Creek & Victor Gold Mining Company Llc was awarded this government contract by Colorado Division of Housing, as recorded on December 31, 2025.

What type of contract is this?

This is a government contract, documented as a policy record.

Where was this contract approved?

This contract appears in water_quality_control_commission_regulation_32_ame.md (Policy), dated December 31, 2025 from Colorado Division of Housing. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

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