---
schema_version: "secwatch.filing_event.v1"
accession: "0000822818-25-000028"
form_type: "8-K"
ticker: "CLH"
cik: "0000822818"
company_name: "CLEAN HARBORS INC"
filed_at: "2025-07-30T23:59:59+00:00"
generated_at: "2026-05-17T23:21:56.655791+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.73
calibrated_materiality_score: 0.73
confidence: "high"
source: SEC EDGAR
---

# Clean Harbors Q2 2025: Revenue $1.55B flat, Adj EBITDA record $336.2M, reaffirms FY guidance

## Summary
- Net income $126.9M ($2.36 EPS) vs $133.3M ($2.46 EPS) a year ago.
- Environmental Services revenue +3%, Adjusted EBITDA +5%; incineration utilization 89%, price +7%.
- Safety-Kleen segment waste oil collections 64M gallons; CFO pricing shift supporting results.
- Reaffirms full-year 2025 Adj EBITDA midpoint $1.18B (6% growth) and adj. FCF midpoint $460M.
- Consolidated Adj EBITDA margin improved 60 bps to 21.7%; Q3 Adj EBITDA expected +9-12% YoY.

## SEC filing metadata
- accession: 0000822818-25-000028
- form_type: 8-K
- ticker: CLH
- cik: 0000822818
- company_name: CLEAN HARBORS INC
- filed_at: 2025-07-30T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.73
- calibrated_materiality_score: 0.73
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/822818/000082281825000028/0000822818-25-000028-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/822818/000082281825000028/clh-20250730.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000822818-25-000028
- JSON: https://secwatch.observer/filing/0000822818-25-000028.json
- Plain text: https://secwatch.observer/filing/0000822818-25-000028.txt

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