---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-23-000045"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2023-11-01T23:59:59+00:00"
generated_at: "2026-06-09T03:39:00.781267+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors Q3 net income $91.3M ($1.68 EPS) drops 33% YoY; cuts FY23 Adj. EBITDA guidance

## Summary
- Q3 revenue $1.37B (flat YoY); net income $91.3M vs $135.8M; GAAP EPS $1.68 vs $2.50.
- Adjusted EBITDA $255.0M vs $308.6M; Environmental Services segment Adjusted EBITDA up 11% YoY.
- FY23 guidance: Adj. EBITDA $1.005-1.025B (midpoint $1.015B); Adj. free cash flow $300-330M.
- New $180M incinerator in Kimball, NE ahead of schedule; start expected before year-end 2024.
- Q4 expects Adj. EBITDA to grow ~15% YoY; re-refineries running at full production rates.

## SEC filing metadata
- accession: 0000822818-23-000045
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2023-11-01T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281823000045/0000822818-23-000045-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281823000045/clh-20231101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-23-000045
- JSON: https://secwatch.observer/filing/0000822818-23-000045.json
- Plain text: https://secwatch.observer/filing/0000822818-23-000045.txt

## Key facts
- Earnings Releases
  CLEAN HARBORS INC reported the third quarter ended September 30, 2023 results: revenue $1.37 Billion, net income $91.3 Million, or EPS of $1.68, EPS $1.68 per diluted share. Guidance lowered.
  - Period: the third quarter ended September 30, 2023
  - Revenue: $1.37 Billion
  - Net income: $91.3 Million, or EPS of $1.68
  - EPS: $1.68 per diluted share
  - Guidance: lowered
  - Result: reported results
  source text: Clean Harbors Announces Third-Quarter 2023 Financial Results • Delivers Q3 Revenue of $1.37 Billion on Growth in Environmental Services • Achieves Q3 Net Income of $91.3 Million, or EPS of $1.68 • Generates Q3 Adjusted EBITDA of $255.0 Million • Revises 2023 Adjusted EBITDA and Adjusted Free Cash Flow Guidance
  evidence_url: https://www.sec.gov/Archives/edgar/data/822818/000082281823000045/0000822818-23-000045-index.htm

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