---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-089075"
form_type: "8-K"
ticker: "PPTA"
cik: "0001526243"
company_name: "PERPETUA RESOURCES CORP."
filed_at: "2023-08-09T23:59:59+00:00"
generated_at: "2026-06-11T22:01:02.795182+00:00"
event_type: "litigation"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Perpetua Resources settles CWA lawsuit with Nez Perce Tribe for $5M

## Summary
- Total payments of $5M over 4 years: $4M to water quality fund, $1M legal fee reimbursement.
- Settlement filed Aug 8, 2023; 45-day EPA/DOJ review followed by court approval expected Q3 2023.
- Lawsuit dismissed without prejudice pending payments; full payment ends litigation with prejudice.
- Agreement does not affect Tribe's rights regarding future permitting or Stibnite Gold Project activities.
- Perpetua to fund payments from cash on hand or construction financing.

## SEC filing metadata
- accession: 0001104659-23-089075
- form_type: 8-K
- ticker: PPTA
- cik: 0001526243
- company_name: PERPETUA RESOURCES CORP.
- filed_at: 2023-08-09T23:59:59+00:00
- event_type: litigation
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1526243/000110465923089075/0001104659-23-089075-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1526243/000110465923089075/tm2323251d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-089075
- JSON: https://secwatch.observer/filing/0001104659-23-089075.json
- Plain text: https://secwatch.observer/filing/0001104659-23-089075.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.