Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
KNOLL INC/EAST GREENVILLE MFG
Quick Summary
- •Released 0 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 $2,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1235 WATER ST
EAST GREENVILLE, PA 18041
View on map ↗ - County
- MONTGOMERY County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 337211
- Inspections
- 13 · last Dec 22, 2025
- Total Penalties
- $2,000 · last Mar 28, 2024
- Registry ID
- 110000334781
How This Compares
#894
of 920 TRI reporters in PA
#15,547
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
Water (CWA)
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 (2022–2024)
-99% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2022 | 7 | — |
| 2023 | 0 | -100% |
| 2024 | 0 | — |
2024
2023
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.
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 |
|---|---|---|---|---|---|
|
REPUBLIC ENVIRONMENTAL SYSTEMS (PA) LLC
HATFIELD, PA
|
Manganese | — | 2,418 | — | — |
|
REPUBLIC ENVIRONMENTAL SYSTEMS (PA) LLC
HATFIELD, PA
|
Nickel | — | 473 | — | — |
|
REPUBLIC ENVIRONMENTAL SYSTEMS (PA) LLC
HATFIELD, PA
|
Lead | 904 | — | — | — |
|
REPUBLIC ENVIRONMENTAL SYSTEMS (PA) LLC
HATFIELD, PA
|
Chromium | — | 634 | — | — |
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 |
|---|---|---|---|---|
| cwa | Permit Violations - Violation Specified in Comment | Jan 23, 2025 | Mar 4, 2025 | Resolved |
| cwa | Permit Violations - Discharge Without a Valid Permit | Jan 23, 2025 | Mar 4, 2025 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 3, 2023 | Nov 1, 2023 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | Feb 1, 2023 | Feb 1, 2023 | Resolved |
| cwa | Permit Violations - Discharge Without a Valid Permit | Nov 10, 2022 | Dec 19, 2022 | Resolved |
| cwa | Permit Violations - Discharge Without a Valid Permit | Oct 31, 2022 | Jun 6, 2023 | Resolved |
| caa | FRV | Oct 13, 2021 | — | Open |
| caa | FRV | Mar 26, 2020 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 30, 2020 | Jan 30, 2020 | Resolved |
| cwa | Permit Violations - Failure to Submit Timely Permit Renewal Application | Jan 30, 2020 | Jan 30, 2020 | Resolved |
| cwa | Permit Violations - Failure to Submit Timely Permit Renewal Application | Nov 7, 2019 | Jan 30, 2020 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | May 23, 2018 | Jan 30, 2020 | Resolved |
| cwa | Effluent Violations - Numeric effluent violation | May 15, 2018 | Jan 30, 2020 | Resolved |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jan 11, 2018 | Jan 30, 2020 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | May 24, 2017 | May 24, 2017 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Apr 18, 2017 | May 24, 2017 | Resolved |
| caa | FRV | Oct 12, 2016 | — | Open |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Use and Management of Containers | May 27, 2008 | May 27, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 27, 2008 | May 27, 2008 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 10, 2007 | Apr 10, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Apr 10, 2007 | May 10, 2007 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 8, 2003 | Nov 21, 2003 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Mar 28, 2002 | Mar 28, 2002 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 7, 2001 | Jul 31, 2001 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 4, 1991 | Jan 22, 1997 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 17, 1987 | Feb 4, 1991 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Mar 10, 1987 | Jul 2, 1987 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Dec 13, 1983 | Dec 6, 1984 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 32.80 mg/L | 20.00 | +64% | Dec 2025 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.30 | +69% | Dec 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.65 kg/d | 0.19 | +244% | Aug 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 33.69 mg/L | 10.00 | +237% | Aug 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 314.00 MPN/100mL | 200.00 | +57% | Jun 2025 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 7,200.00 MPN/100mL | 1,000.00 | +620% | Jun 2025 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.68 mg/L | 1.30 | +29% | May 2025 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 1.55 mg/L | 0.50 | +210% | May 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 88.35 mg/L | 20.00 | +342% | Apr 2025 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.70 mg/L | 0.50 | +40% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.53 kg/d | 0.38 | +41% | Apr 2025 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.65 mg/L | 30.00 | +9% | Apr 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 1.12 kg/d | 0.38 | +196% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 82.00 mg/L | 20.00 | +310% | Mar 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.66 kg/d | 0.38 | +74% | Jan 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 57.10 mg/L | 20.00 | +186% | Jan 2025 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 57.10 mg/L | 20.00 | +186% | Dec 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.41 kg/d | 0.38 | +8% | Dec 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.50 mg/L | 45.00 | +8% | Dec 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.70 mg/L | 0.50 | +40% | Dec 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.72 kg/d | 0.38 | +91% | Nov 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 36.04 mg/L | 20.00 | +80% | Nov 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.60 mg/L | 0.50 | +20% | Oct 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 3,300.00 MPN/100mL | 1,000.00 | +230% | Oct 2024 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 11.54 mg/L | 10.00 | +15% | Oct 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 414.00 MPN/100mL | 200.00 | +107% | Jul 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 4,600.00 MPN/100mL | 1,000.00 | +360% | Jul 2024 | Resolved |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 2,000.00 MPN/100mL | 1,000.00 | +100% | Jun 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 66.00 mg/L | 45.00 | +47% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 0.93 kg/d | 0.85 | +9% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 55.50 mg/L | 30.00 | +85% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 0.77 kg/d | 0.57 | +36% | Jan 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.00 mg/L | 0.50 | +100% | Jan 2024 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +50% | Jan 2024 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.90 mg/L | 30.00 | +26% | Dec 2023 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.70 mg/L | 0.50 | +40% | Dec 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.00 mg/L | 45.00 | +13% | Dec 2023 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.02 kg/d | 0.01 | +90% | Oct 2023 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +50% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 23.60 mg/L | 10.00 | +136% | Sep 2023 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.70 mg/L | 0.50 | +40% | Sep 2023 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 0.32 kg/d | 0.19 | +68% | Sep 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 66.00 mg/L | 45.00 | +47% | Apr 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 0.61 kg/d | 0.57 | +8% | Apr 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 0.96 kg/d | 0.85 | +13% | Apr 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 40.20 mg/L | 30.00 | +34% | Apr 2023 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 1.20 mg/L | 0.50 | +140% | Sep 2022 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.01 kg/d | 0.01 | +50% | Sep 2022 | Resolved |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.60 mg/L | 0.50 | +20% | Dec 2021 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 2.20 mg/L | 1.30 | +69% | Dec 2021 | 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.
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-PAD053306015-100 · Oct 10, 2023
State Administrative Order of Consent
Clean Water Act
· Case PA-0011070_01302020 · Jan 30, 2020
$116,960
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-PAD053306015-005 · May 8, 1991
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-PAD053306015-002 · Apr 17, 1987
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-PAD053306015-003 · Apr 6, 1987
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-PAD053306015-004 · Mar 10, 1987
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-PAD053306015-001 · Feb 15, 1984
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