DONCASTERS INC PRECISION CASTINGS NEW ENGLAND
Quick Summary
- •Released 780 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.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
835 POQUONNOCK RD
GROTON, CT 06340
View on map ↗ - County
- NEW LONDON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 336412
- Inspections
- 5 · last Jan 9, 2025
- Total Penalties
- $0
- Registry ID
- 110008053774
How This Compares
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.
Qtrs Non-Compliant
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.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 780 | — |
| 2016 | 780 | 0% |
| 2017 | 780 | 0% |
| 2018 | 780 | 0% |
| 2019 | 260 | -67% |
| 2020 | 780 | +200% |
| 2021 | 780 | 0% |
| 2022 | 290 | -63% |
| 2023 | 45 | -84% |
| 2024 | 35 | -22% |
2024
2023
2022
2021
2020
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Cobalt | 260 | 255 | 5 | — | 31,190 | ♦ Carcinogen |
2018
2017
2016
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 |
|---|---|---|---|---|---|
|
CERTIFIED ALLOY PRODS INC
LONG BEACH, CA
|
Cobalt | — | 21,844 | — | — |
|
CERTIFIED ALLOY PRODS INC
LONG BEACH, CA
|
Nickel | — | 145,810 | — | — |
|
METAUX & POUDRES SOLUMET (USINE II)
VARENNES
|
Nickel | — | 22,531 | — | — |
|
CERTIFIED ALLOY PRODS INC
LONG BEACH, CA
|
Chromium | — | 49,840 | — | — |
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.
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 | Management Practice Violations - Failure to Maintain Records | Mar 18, 2026 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 18, 2026 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Jan 9, 2025 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Jan 9, 2025 | — | Open |
| cwa | Monitoring Violations - Invalid/Unrepresentative Sample | Jan 9, 2025 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Jan 9, 2025 | — | Open |
| cwa | Management Practice Violations - Failure to Maintain Records | Jan 9, 2025 | — | Open |
| cwa | Reporting Violations - Improper/ Incorrect Reporting | Mar 20, 2024 | — | Open |
| cwa | Permit Violations - Violation Specified in Comment | Mar 20, 2024 | — | Open |
| cwa | Reporting Violations - Late Submittal of DMRs | Mar 20, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Mar 20, 2024 | — | Open |
| cwa | Reporting Violations - Failure to Notify | Mar 20, 2024 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Jan 12, 2006 | Feb 10, 2006 | 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 |
|---|---|---|---|---|---|---|
| Flow, maximum during 24 hr period | DMR, Limited - Numeric Violation | 0.01 MGD | 0.00 | +41% | Sep 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 112.50 mg/L | 100.00 | +13% | Feb 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 115.50 mg/L | 100.00 | +16% | Jun 2024 | Open |
| Oil petroleum, total recoverable | DMR, Limited - Numeric Violation | 128.80 mg/L | 100.00 | +29% | Jul 2023 | Open |
| Oil petroleum, total recoverable | DMR, Limited - Numeric Violation | 76.20 mg/L | 75.00 | +2% | Jul 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 123.00 mg/L | 100.00 | +23% | Jun 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 179.00 mg/L | 100.00 | +79% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 353.00 mg/L | 200.00 | +77% | Sep 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 115.00 mg/L | 100.00 | +15% | Nov 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 223.00 mg/L | 200.00 | +12% | Nov 2020 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 1.57 mg/L | 1.44 | +9% | Jul 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 106.00 mg/L | 100.00 | +6% | Jun 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 116.00 mg/L | 100.00 | +16% | Jan 2018 | Open |
| Flow, maximum during 24 hr period | DMR, Limited - Overdue | 0.00 MGD | 0.00 | +17% | Nov 2017 | Resolved |
| Flow, maximum during 24 hr period | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +17% | Nov 2017 | Open |
| Zinc, total [as Zn] | DMR, Limited - Overdue | 1.69 mg/L | 1.44 | +17% | Mar 2017 | Resolved |
| Zinc, total [as Zn] | DMR, Limited - Numeric Violation | 1.69 mg/L | 1.44 | +17% | Mar 2017 | Open |
| Flow, maximum during 24 hr period | DMR, Limited - Numeric Violation | 0.00 MGD | 0.00 | +19% | Feb 2017 | Open |
| Flow, maximum during 24 hr period | DMR, Limited - Overdue | 0.00 MGD | 0.00 | +19% | Feb 2017 | Resolved |
| Oil petroleum, total recoverable | DMR, Limited - Numeric Violation | 82.60 mg/L | 75.00 | +10% | Nov 2016 | Open |
| Oil petroleum, total recoverable | DMR, Limited - Numeric Violation | 119.60 mg/L | 100.00 | +20% | Nov 2016 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 288.00 mg/L | 200.00 | +44% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 141.00 mg/L | 100.00 | +41% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 288.00 mg/L | 200.00 | +44% | Dec 2015 | Resolved |
| Flow, maximum during 24 hr period | DMR, Limited - Overdue | 0.01 MGD | 0.00 | +81% | Dec 2015 | Resolved |
| Flow, maximum during 24 hr period | DMR, Limited - Numeric Violation | 0.01 MGD | 0.00 | +81% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Overdue | 141.00 mg/L | 100.00 | +41% | Dec 2015 | 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.