NPDES TX0034681 · Clean Water Act
TENARIS CONROE FACILITY, Conroe, TX: NPDES TX0034681 discharge permit, effluent exceedances, inspections, penalties
TENARIS CONROE FACILITY, Conroe, Texas: Individual permit TX0034681, held by MAVERICK TUBE CORPORATION; Administratively continued; issued October 4, 2018, term to October 4, 2023; discharges to UNNAMED DITCH;UNNAMED TRIB LITTLE CANEY CK;W FORK.
- Aluminum, total [as Al]: 0 limits, 48 violations of any kind, 40 effluent exceedances, latest November 30, 2014, largest 3,845% over the limit.
- Solids, total suspended: 2 limits, 34 violations of any kind, 30 effluent exceedances, latest December 31, 2004, largest 809% over the limit.
- BOD, 5-day, 20 deg. C: 0 limits, 18 violations of any kind, 15 effluent exceedances, latest May 31, 2004, largest 651% over the limit.
- Solids, total dissolved: 2 limits, 15 violations of any kind, 11 effluent exceedances, latest September 30, 2025, largest 114% over the limit.
- pH: 4 limits, 23 violations of any kind, 9 effluent exceedances, latest October 31, 2013.
- Chloride [as Cl]: 2 limits, 13 violations of any kind, 9 effluent exceedances, latest September 30, 2025, largest 99% over the limit.
- Oil & Grease: 4 limits, 19 violations of any kind, 6 effluent exceedances, latest July 31, 2007, largest 369% over the limit.
- Oxygen demand, chem. [high level] [COD]: 2 limits, 16 violations of any kind, 6 effluent exceedances, latest August 31, 2013, largest 192% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 15 violations of any kind, 4 effluent exceedances, latest February 28, 2017, largest 54% over the limit.
- Temperature, water deg. fahrenheit: 1 limit, 5 violations of any kind.
- Copper, total [as Cu]: 4 limits, 4 violations of any kind.
- Lead, total [as Pb]: 2 limits, 3 violations of any kind.
- Zinc, total [as Zn]: 2 limits, 3 violations of any kind.
- Chromium, total [as Cr]: 2 limits, 2 violations of any kind.
- Nickel, total [as Ni]: 2 limits, 2 violations of any kind.
Other permits held by MAVERICK TUBE CORPORATION
- TENARIS COILED TUBES SUBSEA, Houston: TXRNEBQ71, issued 2021-10-29
TENARIS CONROE FACILITY among its neighbors
62 discharge permits are in the Little Caney Creek-West Fork San Jacinto River subwatershed (HUC 120401010402); TX0034681 is one. Its county: 1,439, 16 major; TX0034681 is minor permit.
Other permits in the Little Caney Creek-West Fork San Jacinto River subwatershed (HUC 120401010402)
- 8-IN WL & 8-IN SS EXT MCMUD 15, Conroe: TXR1519PS, minor, term to 2028-03-04
- BARTON CREEK PHASE IV DETENTION FACILITIES, Conroe: TXR1596PL, minor, term to 2028-03-04
- BARTON CREEK RANCH, Conroe: TXR1573WU, minor, term to 2028-03-04
- BARTON CREEK RANCH RECREATION CENTER, Conroe: TXR1597VI, minor, term to 2028-03-04
- BARTON CREEK RANCH SUBDIVISION, Conroe: TXR1564OB, minor, term to 2028-03-04
- BARTON PARK, Conroe: TXR1577UC, minor, term to 2028-03-04
- CANEY CREEK PLACE, Conroe: TXR1515NK, minor, term to 2028-03-04
- CANEY CREEK PLACE, Conroe: TXR1542UA, minor, term to 2028-03-04
- CITY OF SHENANDOAH MS4, Shenandoah: TXR040849, minor, term to 2029-08-14
- CITY OF SHENANDOAH WWTP, Shenandoah: TX0093564, major, term to 2023-10-24
Identity
| Facility | TENARIS CONROE FACILITY |
|---|---|
| Permittee | MAVERICK TUBE CORPORATION |
| NPDES ID | TX0034681 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | October 4, 2018 |
| Expires | October 4, 2023 |
| Address | Conroe, TX 77301 |
| Receiving water | UNNAMED DITCH;UNNAMED TRIB LITTLE CANEY CK;W FORK |
| Subwatershed | Little Caney Creek-West Fork San Jacinto River (HUC 120401010402) |
| SIC | 3317 – Steel Pipe And Tubes |
| Other EPA IDs (FRS) | RCRA handler TXD982559080; ICIS-AIR source TX0000004833900046 |
NPDES TX0034681: effluent limits and exceedances
TENARIS CONROE FACILITY (NPDES TX0034681): 15 pollutants on file, 13 limited; 15 with a violation of any kind, 9 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Aluminum, total [as Al] | 0 | 48 | 40 | November 30, 2014 | 3,845% over the limit |
| Solids, total suspended | 2 | 34 | 30 | December 31, 2004 | 809% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 18 | 15 | May 31, 2004 | 651% over the limit |
| Solids, total dissolved | 2 | 15 | 11 | September 30, 2025 | 114% over the limit |
| pH | 4 | 23 | 9 | October 31, 2013 | |
| Chloride [as Cl] | 2 | 13 | 9 | September 30, 2025 | 99% over the limit |
| Oil & Grease | 4 | 19 | 6 | July 31, 2007 | 369% over the limit |
| Oxygen demand, chem. [high level] [COD] | 2 | 16 | 6 | August 31, 2013 | 192% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 15 | 4 | February 28, 2017 | 54% over the limit |
| Temperature, water deg. fahrenheit | 1 | 5 | 0 | ||
| Copper, total [as Cu] | 4 | 4 | 0 | ||
| Lead, total [as Pb] | 2 | 3 | 0 | ||
| Zinc, total [as Zn] | 2 | 3 | 0 | ||
| Chromium, total [as Cr] | 2 | 2 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 |
NPDES TX0034681: inspections, violations and enforcement
NPDES TX0034681 (TENARIS CONROE FACILITY): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0034681
NPDES TX0034681: one email when its EPA record changes — $99/month.
Permits near NPDES TX0034681
NPDES TX0034681: 15 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.