DRIL-QUIP INC
Quick Summary
- •Released 13,839 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
-
6401 ELDRIDGE
HOUSTON, TX 77041
View on map ↗ - County
- HARRIS County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 333132
- Inspections
- 2 · last Aug 4, 2023
- Total Penalties
- $0 · last May 25, 2020
- Registry ID
- 110002343946
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 | 14,372 | — |
| 2016 | 0 | -100% |
| 2017 | 13,839 | — |
| 2018 | 13,204 | -5% |
| 2020 | 0 | — |
| 2021 | 0 | — |
| 2022 | 0 | — |
| 2023 | 0 | — |
| 2024 | 0 | — |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Manganese | — | — | — | — | 37,812 |
2023
2021
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Copper | — | — | — | — | 32,544 | |
| Chromium | — | — | — | — | 59,586 | |
| Nickel | — | — | — | — | 13,090 | ♦ Carcinogen |
| Zinc compounds | — | — | — | — | 16,097 | |
| Manganese | — | — | — | — | 59,144 |
2018
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Toluene | 13,839 | 13,839 | — | — | — |
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.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Manganese | — | 37,812 | — | — |
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 |
|---|---|---|---|---|---|
|
PROLER SOUTHWEST INC
HOUSTON, TX
|
Manganese | — | 37,812 | — | — |
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 |
|---|---|---|---|---|
| caa | Linked to Viol. Below | — | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Aug 4, 2023 | Aug 7, 2023 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Apr 19, 2022 | May 3, 2022 | Resolved |
| caa | FRV | Jan 18, 2019 | — | Open |
| caa | FRV | May 30, 2018 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | May 8, 2014 | Oct 26, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | May 8, 2014 | Oct 26, 2014 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | May 8, 2014 | Oct 26, 2014 | Resolved |
| rcra | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | May 8, 2014 | Oct 26, 2014 | Resolved |
| rcra | Land Disposal Restrictions: General | May 8, 2014 | Oct 26, 2014 | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.00 mg/L | 60.00 | +2% | May 2025 | Open |
| E. coli | DMR, Limited - Numeric Violation | 1,119.90 MPN/100mL | 200.00 | +460% | Jan 2023 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 19.10 mg/L | 15.00 | +27% | Aug 2019 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.48 mg/L | 2.00 | +24% | Aug 2019 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.30 mg/L | 6.00 | +12% | May 2019 | Open |
| E. coli | DMR, Limited - Numeric Violation | 2,419.60 MPN/100mL | 197.00 | +1,128% | Feb 2017 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 24.60 mg/L | 15.00 | +64% | Oct 2016 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 3.60 mg/L | 2.00 | +80% | Oct 2016 | Open |
| Oxygen, dissolved [DO] | DMR, Limited - Numeric Violation | 5.90 mg/L | 6.00 | +2% | Aug 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.28 mg/L | 2.00 | +14% | Jun 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 2.04 mg/L | 2.00 | +2% | Mar 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 4.86 mg/L | 2.00 | +143% | Feb 2015 | Resolved |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 30.40 mg/L | 15.00 | +103% | Jan 2015 | Open |
| Nitrogen, ammonia total [as N] | DMR, Limited - Numeric Violation | 5.21 mg/L | 2.00 | +161% | Jan 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.