DIAMOND STATE WATER PROOFING is a new single-family housing construction (except for-sale builders) employer in TOWNSEND, DE. Federal records show 1 OSHA inspection with 14 violations and $25,803 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 3, 2026.
DIAMOND STATE WATER PROOFING
872 BARCELONA STREET, TOWNSEND, DE, 19734
Parent: QUANTUM CORP /DE/ (1,580 locations)
236115 — Top companies in New Single-Family Housing Construction (except For-Sale Builders)
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
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▶SEC Enforcement(1)
$5,000,000 totallast: 2014-01-09
SEC Enforcement(1)
SEC Litigation Releases filed against QUANTUM CORP /DE/— every public-company employer profile shows the parent's SEC enforcement history. Source: sec.gov/litigation/litreleases.
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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
DIAMOND STATE WATER PROOFING is one of 1,580 establishments in our dataset that roll up under the parent organization QUANTUM CORP /DE/. QUANTUM CORP /DE/ is a SEC public reporter (QMCO), with most recent reported revenue of $274M.
Federal enforcement records on DIAMOND STATE WATER PROOFING represent activity at this specific establishment. The full enforcement footprint of QUANTUM CORP /DE/ across all 1,580 of its tracked locations is viewable on the parent profile.
Other establishments operated by QUANTUM CORP /DE/
- DIAMOND CHEMICAL COMPANY, INC. — EAST RUTHERFORD, NJ — 3 federal records
- DIAMOND WIRE SPRING COMPANY — PITTSBURGH, PA — 3 federal records
- DIAMOND SAND AND GRAVEL INC — SPARTA, NJ — 3 federal records
- Diamond Equipment Contracting Corporation — VIRGINIA BEACH, VA — 2 federal records
- Diamond D General Engineering — Woodland, CA — 2 federal records
- DIAMOND CRYSTAL BRANDS, INC — PERRYSBURG, OH — 2 federal records
- Diamond Trucking — Peru, IN — 2 federal records
- Diamond Transportation — Springfield, VA — 2 federal records
- DIAMOND PALACE HOTEL AND CASINO CORP — SAN JUAN, PR — 2 federal records
- DIAMOND CORING COMPANY, INC. — PALATINE, IL — 2 federal records
Other employers in New Single-Family Housing Construction (except For-Sale Builders) within DE
- AMERICAN FLAG INC. — REHOBOTH BEACH — 2 federal records
- DEWSON CONSTRUCTION COMPANY, INC. — WILMINGTON — 1 federal record
- J.I. SCHWARTZ DBA NORTHERN VIEW HOMES, LLC. — NEW CASTLE — 1 federal record
- BAYSIDE HOMES, LLC — REHOBOTH BEACH — 1 federal record
- CONTINENTAL BUILDERS INC. — SMYRNA — 1 federal record
- MONTCHANIN BUILDERS, LLC — CLAYMONT — 1 federal record
- DELFI CONSTRUCTION, LLC — FELTON — 1 federal record
- RISING SUN CONTRACTORS, INC. — NEWARK — 1 federal record
- ALBERTA SIDING CONSTRUCTION, LLC — MAGNOLIA — 1 federal record
- DEWSON CONSTRUCTION COMPANY, INC. — LEWES — 1 federal record
Industry context
Within the new single-family housing construction (except for-sale builders) industry in DE, DIAMOND STATE WATER PROOFING ranks in the 99th percentile of OSHA violation frequency across 248 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 98th percentile of the same peer group.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.5 for the new single-family housing construction (except for-sale builders) sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.4.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 5 years.
Frequently Asked Questions
- What is DIAMOND STATE WATER PROOFING's OSHA violation history?
- DIAMOND STATE WATER PROOFING has 1 OSHA inspection on record with 14 violations and $25,803 in total penalties.
- How does DIAMOND STATE WATER PROOFING's safety record compare to its industry?
- DIAMOND STATE WATER PROOFING operates in the new single-family housing construction (except for-sale builders) industry. The industry average Total Recordable Incident Rate (TRIR) is 2.5.
About this data
This profile aggregates federal enforcement records on DIAMOND STATE WATER PROOFING of TOWNSEND, DE from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, SEC Litigation Releases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 3, 2026. DIAMOND STATE WATER PROOFING resolves to the parent rollup QUANTUM CORP /DE/, which operates 1,580 establishments in our dataset.
This profile may be incomplete if DIAMOND STATE WATER PROOFINGoperates 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.