Non-Compliance
TRI Reporter
Clean Air Act
RCRA
DENTSPLY SIRONA
Quick Summary
- •Released 8,292 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
779 EAST MASTEN CIRCLE
MILFORD, DE 19963
View on map ↗ - County
- KENT County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 339114
- Inspections
- 3 · last Jul 28, 2025
- Total Penalties
- $0 · last Dec 17, 2009
- Registry ID
- 110000338992
How This Compares
#14
of 45 TRI reporters in DE
#4,342
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
1
Hazardous Waste (RCRA)
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
Emissions Trend (2015–2024)
+9% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 2,008 | — |
| 2016 | 4,406 | +119% |
| 2017 | 8,292 | +88% |
| 2018 | 5,778 | -30% |
| 2019 | 5,778 | 0% |
| 2020 | 4,422 | -23% |
| 2021 | 6,692 | +51% |
| 2022 | 4,293 | -36% |
| 2023 | 4,351 | +1% |
| 2024 | 2,180 | -50% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methanol | 1,307 | 1,307 | — | — | 2,783 | |
| Methyl methacrylate | 873 | 873 | — | — | 19 |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 3,795 | 3,795 | — | — | 31 | |
| Methanol | 556 | 556 | — | — | 2,501 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 3,484 | 3,484 | — | — | 44 | |
| Methanol | 809 | 809 | — | — | 3,643 |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 4,778 | 4,778 | — | — | 51 | |
| Methanol | 1,913 | 1,913 | — | — | 8,615 |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 3,530 | 3,530 | — | — | — | |
| Methanol | 892 | 892 | — | — | 4,390 |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 3,795 | 3,795 | — | — | 183 | |
| Methanol | 1,983 | 1,983 | — | — | 8,735 |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 3,795 | 3,795 | — | — | 177 | |
| Methanol | 1,983 | 1,983 | — | — | 8,224 |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Methyl methacrylate | 3,783 | 3,783 | — | — | 90 | |
| Toluene | 2,532 | 2,532 | — | — | 3,836 | |
| Methanol | 1,978 | 1,978 | — | — | 10,124 |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | 1,799 | 1,799 | — | — | 10,433 | |
| Methanol | 1,604 | 1,604 | — | — | 9,959 | |
| Methyl methacrylate | 1,003 | 1,003 | — | — | 87 |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | 842 | 842 | — | — | 15,874 | |
| Methanol | 641 | 641 | — | — | 9,939 | |
| Methyl methacrylate | 524 | 524 | — | — | 79 |
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Methanol | — | — | 2,763 | — |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
ROSS INCINERATION SERVICES INC
GRAFTON, OH
|
Methanol | — | — | 2,763 | — |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Methyl methacrylate | 19 | KENT COUNTY REGIONAL WWTF, MILFORD |
| Methanol | 20 | KENT COUNTY REGIONAL WWTF, MILFORD |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: General | Jul 28, 2025 | Aug 7, 2025 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Jul 28, 2025 | Sep 26, 2025 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Jul 28, 2025 | Sep 5, 2025 | Resolved |
| rcra | Standards Applicable to Generators of HW: Preparedness. Prevention, and Emergency Procedures for LQGs | Jul 5, 2022 | Aug 1, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 5, 2022 | Aug 9, 2022 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 15, 2011 | Nov 21, 2011 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Nov 15, 2011 | Nov 21, 2011 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Nov 15, 2011 | Nov 21, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Nov 15, 2011 | Nov 21, 2011 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Jun 16, 2009 | Jun 17, 2009 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Jun 16, 2009 | Aug 12, 2009 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Aug 27, 2003 | Sep 4, 2003 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | Aug 27, 2003 | Sep 4, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Aug 27, 2003 | Sep 4, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 27, 2003 | Sep 3, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jan 26, 1998 | Mar 31, 1998 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jun 12, 1997 | Jan 21, 1998 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 29, 1997 | Jan 21, 1998 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | May 10, 1997 | Jul 28, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Nov 19, 1992 | Dec 18, 1992 | Resolved |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Administrative - Formal
· Case 03-2010-0035 · Dec 17, 2009
$9,000
DE NOTICE OF VIOLATION (NOV)
RCRA (Hazardous Waste)
· Case RCRA-DED981743065-001 · Aug 27, 2003
DE NOTICE OF VIOLATION (NOV)
RCRA (Hazardous Waste)
· Case RCRA-DED981743065-000 · Mar 3, 1998
Other facilities in KENT County, DE
PROCTER & GAMBLE - DOVER WIPES COMPANY
DOVER, DE
· Manufacturing
CARL KING BULK PLANT
DOVER, DE
· Retail Trade