NPDES TXR05ER40 · Clean Water Act
DUNN HEAT EXCHANGERS, Bay City, TX: NPDES TXR05ER40 discharge permit, effluent exceedances, inspections, penalties
DUNN HEAT EXCHANGERS, Bay City, Texas: General permit coverage TXR05ER40, held by Dunn Heat Exchangers, Inc.; Industrial stormwater; Administratively continued; issued November 9, 2021, term to August 13, 2026; Commercial & Industrial Machinery & Equipment [except Automotive & Electronic] Repair & Maintenance.
No violation or effluent exceedance is on file for any of the 16 pollutants listed for NPDES TXR05ER40.
- Zinc, total [as Zn]: 6 limits.
- Solids, total suspended: 3 limits.
- Nitrite + Nitrate total [as N]: 3 limits.
- Arsenic, total [as As]: 3 limits.
- Barium, total [as Ba]: 3 limits.
- Cadmium, total [as Cd]: 3 limits.
- Chromium, total [as Cr]: 3 limits.
- Copper, total [as Cu]: 3 limits.
- Iron, total [as Fe]: 3 limits.
- Lead, total [as Pb]: 3 limits.
- Manganese, total [as Mn]: 3 limits.
- Nickel, total [as Ni]: 3 limits.
- Silver, total [as Ag]: 3 limits.
- Aluminum, total [as Al]: 3 limits.
- Selenium, total [as Se]: 3 limits.
- Mercury, total [as Hg]: 3 limits.
Texas holds 8,480 Industrial stormwater coverages of this permit type in EPA’s file; 1,594 were issued before TXR05ER40. Dunn Heat Exchangers, Inc. holds 2 permits in Texas.
Other permits held by Dunn Heat Exchangers, Inc.
- DUNN HEAT EXCHANGERS, Texas City: TXR05EQ78, issued 2021-10-25
Coverages issued nearest TXR05ER40
- 2021-11-08: 5 STAR INDUSTRIAL CONTAINERS, Tyler: TXRNEBR28, held by 5 Star Industrial Containers, LLC
- 2021-11-08: SISK GRATINGS, Houston: TXRNEX716, held by Sisk Gratings, Inc.
- 2021-11-09: BELTON PLANT, Belton: TXR05AA97, held by Miller Springs Materials, L.L.C.
- 2021-11-09: US GALVANIZING PLANT 1578, Fort Worth: TXR05CL52, held by AZZ Galvanizing - Kennedale, LLC
- 2021-11-09: SCIENTIFIC DRILLING HOUSTON TECHNOLOGY CENTER, Houston: TXR05DN17, held by Scientific Drilling International, Inc.
- 2021-11-09: BAKER TANK, Arp: TXR05ET68, held by Justiss Oil Company, Inc.
- 2021-11-09: AUGUST METALS SOUTH, Houston: TXR05EW71, held by Ge-Arnj, LLC
- 2021-11-09: OXY VINYLS LP BATTLEGROUND CHLOR-ALKALI PLANT, La Porte: TXR05FE60, held by Oxy Vinyls, LP
- 2021-11-09: DRILLING SPECIALTIES ALAMO PLANT, Conroe: TXR05FE61, held by Chevron Phillips Chemical Company LP
- 2021-11-09: BEAUMONT TERMINAL, Beaumont: TXR05FE62, held by Enterprise Refined Products Company LLC
DUNN HEAT EXCHANGERS among its neighbors
23 discharge permits are in the Peyton Creek-Live Oak Bayou subwatershed (HUC 120904020300); TXR05ER40 is one. Its county: 66, 5 major; TXR05ER40 is minor permit.
Other permits in the Peyton Creek-Live Oak Bayou subwatershed (HUC 120904020300)
- BAY CITY EAST AND NORTH WTP SITES, Bay City: TXR1595QX, minor, term to 2028-03-04
- BAY CITY REGIONAL AIRPORT, Bay City: TXR05FW43, minor, term to 2026-08-13
- BAY CITY WASTE WATER TREATMENT PLANT IMPROVEMENTS, Bay City: TXR1566PJ, minor, term to 2028-03-04
- BRAVO SOLAR, Bay City: TXR1530WC, minor, term to 2028-03-04
- CHEMICAL BAY CITY SITE, Bay City: TX0133710, minor, term to 2021-08-01
- CITY BREEZE 140MW280 MWH BESS & 13834.5KV, Bay City: TXR1568VW, minor, term to 2028-03-04
- CITY OF BAY CITY WWTP, Bay City: TX0034461, major, term to 2024-10-29
- EQUISTAR MATAGORDA PLANT, Bay City: TX0087173, major, term to 2019-12-01
- GRANGE SEC 4, Katy: TXR1592SR, minor, term to 2028-03-04
- JUSTICE SAND, Bay City: TXR05GX39, minor, term to 2026-08-13
Identity
| Facility | DUNN HEAT EXCHANGERS |
|---|---|
| Permittee | Dunn Heat Exchangers, Inc. |
| NPDES ID | TXR05ER40 |
| Status | Administratively continued |
| Type | General permit coverage |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Industrial stormwater |
| Issued | November 9, 2021 |
| Expires | August 13, 2026 |
| Address | Bay City, TX 77414 |
| Subwatershed | Peyton Creek-Live Oak Bayou (HUC 120904020300) |
| NAICS | 811310 – Commercial & Industrial Machinery & Equipment [except Automotive & Electronic] Repair & Maintenance |
| SIC | 3443 – Fabricated Plate Work (Boiler Shops) |
| Other EPA IDs (FRS) | RCRA handler TXR000082673 |
NPDES TXR05ER40: effluent limits and exceedances
DUNN HEAT EXCHANGERS (NPDES TXR05ER40): 16 pollutants on file, 16 limited; 0 with a violation of any kind, 0 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Zinc, total [as Zn] | 6 | 0 | 0 | ||
| Solids, total suspended | 3 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 3 | 0 | 0 | ||
| Arsenic, total [as As] | 3 | 0 | 0 | ||
| Barium, total [as Ba] | 3 | 0 | 0 | ||
| Cadmium, total [as Cd] | 3 | 0 | 0 | ||
| Chromium, total [as Cr] | 3 | 0 | 0 | ||
| Copper, total [as Cu] | 3 | 0 | 0 | ||
| Iron, total [as Fe] | 3 | 0 | 0 | ||
| Lead, total [as Pb] | 3 | 0 | 0 | ||
| Manganese, total [as Mn] | 3 | 0 | 0 | ||
| Nickel, total [as Ni] | 3 | 0 | 0 | ||
| Silver, total [as Ag] | 3 | 0 | 0 | ||
| Aluminum, total [as Al] | 3 | 0 | 0 | ||
| Selenium, total [as Se] | 3 | 0 | 0 | ||
| Mercury, total [as Hg] | 3 | 0 | 0 |
NPDES TXR05ER40: inspections, violations and enforcement
NPDES TXR05ER40 (DUNN HEAT EXCHANGERS): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TXR05ER40
NPDES TXR05ER40: one email when its EPA record changes — $99/month.
Permits near NPDES TXR05ER40
NPDES TXR05ER40: 16 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.