KOPPERS QUALITY WATERPROOFING, INCORPORATED is an employer in CHEVERLY, MD. Federal records show 1 OSHA inspection with 0 violations and $0 in penalties. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.
KOPPERS QUALITY WATERPROOFING, INCORPORATED
5707 CARLYLE STREET, CHEVERLY, MD, 20785
Data Insights
Inspection Breakdown
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
KOPPERS QUALITY WATERPROOFING, INCORPORATED is one of 37 establishments in our dataset that roll up under the parent organization Koppers Holdings Inc.. Koppers Holdings Inc. is a SEC public reporter (KOP), with most recent reported revenue of $1.9B.
Federal enforcement records on KOPPERS QUALITY WATERPROOFING, INCORPORATED represent activity at this specific establishment. The full enforcement footprint of Koppers Holdings Inc. across all 37 of its tracked locations is viewable on the parent profile.
Other establishments operated by Koppers Holdings Inc.
- KOPPERS, INC. — CICERO, IL — 3 federal records
- KOPPERS, INC. — NORTH LITTLE ROCK, AR — 3 federal records
- 67949 - KOPPERS INC — TINY TOWN, KY — 3 federal records
- Koppers Inc. — Pittsburgh, PA — 2 federal records
- KOPPERS INDUSTRIES, INC. — CICERO, IL — 2 federal records
- KOPPERS INC. — GREEN SPRING, WV — 2 federal records
- KOPPERS, INC. — DENVER, CO — 2 federal records
- KOPPERS INC. — SOMERVILLE, TX — 2 federal records
- KOPPERS INC — SALEM, VA — 1 federal record
- KOPPERS INDUSTRIES INC. — CLAIRTON, PA — 1 federal record
Other employers in this industry within MD
- CHANEY ENTERPRISES — UPPER MARLBORO — 2 federal records
- GRAY & SON, INC. — TIMONIUM — 2 federal records
- MARYLAND GENERAL HOSPITAL — BALTIMORE — 2 federal records
- U.S. POSTAL SERVICE — GLEN BURNIE — 2 federal records
- BALTIMORE CITY PUBLIC SCHOOLS — BALTIMORE — 2 federal records
- SHOPPER'S FOOD WAREHOUSE CORP. — HYATTSVILLE — 1 federal record
- EYRE BUS SERVICE, INC. — GLENELG — 1 federal record
- DUFFY MECHANICAL CORPORATION — UPPER MARLBORO — 1 federal record
- THE DAILY RECORD COMPANY — BALTIMORE — 1 federal record
- NORTHERN HIGH SCHOOL — OWINGS — 1 federal record
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 25 years.
Frequently Asked Questions
- What is KOPPERS QUALITY WATERPROOFING, INCORPORATED's OSHA violation history?
- KOPPERS QUALITY WATERPROOFING, INCORPORATED has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
About this data
This profile aggregates federal enforcement records on KOPPERS QUALITY WATERPROOFING, INCORPORATED of CHEVERLY, MD from 17 federal data sources. Records were found in 2 sources: OSHA workplace safety inspections, and SEC XBRL companyfacts (parent financials). The remaining 15 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, BLS.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026. KOPPERS QUALITY WATERPROOFING, INCORPORATED resolves to the parent rollup Koppers Holdings Inc., which operates 37 establishments in our dataset.
This profile may be incomplete if KOPPERS QUALITY WATERPROOFING, INCORPORATEDoperates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.