NPDES TX0116785 · Clean Water Act
FRONTERA ENERGY CENTER, Mission, TX: NPDES TX0116785 discharge permit, effluent exceedances, inspections, penalties
FRONTERA ENERGY CENTER, Mission, Texas: Individual permit TX0116785, held by FRONTERA GENERATION LP; Administratively continued; issued October 13, 2015, term to June 1, 2020; discharges to HIDALGO COUNTY DRAINAGE DITCH, MAIN FLOODWAY.
- Oil & Grease: 4 limits, 23 violations of any kind, 3 effluent exceedances, latest April 30, 2022, largest 180% over the limit.
- Solids, total suspended: 4 limits, 18 violations of any kind, 3 effluent exceedances, latest August 31, 2008, largest 34% over the limit.
- Chloride [as Cl]: 4 limits, 15 violations of any kind, 3 effluent exceedances, latest July 31, 2015, largest 386% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 8 violations of any kind, 2 effluent exceedances, latest August 31, 2014, largest 93,400% over the limit.
- Aluminum, total [as Al]: 4 limits, 4 violations of any kind, 2 effluent exceedances, latest December 31, 2018, largest 15% over the limit.
- Sulfate, total [as SO4]: 4 limits, 14 violations of any kind, 1 effluent exceedance, latest July 31, 2012, largest 2% over the limit.
- Solids, total dissolved: 4 limits, 18 violations of any kind.
- Chlorine, total residual: 0 limits, 12 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 11 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 11 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 11 violations of any kind.
- Whole effluent toxicity - retest #2: 7 limits, 10 violations of any kind.
- LC50 Pass/Fail Static 24Hr Acute Pimephales promelas: 1 limit, 10 violations of any kind.
- Chlorine, free available: 4 limits, 9 violations of any kind.
- Daphnia magna survival 24 Hr Acute WET: 1 limit, 9 violations of any kind.
- Chromium, total [as Cr]: 4 limits, 8 violations of any kind.
- Zinc, total [as Zn]: 4 limits, 8 violations of any kind.
- pH: 2 limits, 6 violations of any kind.
- LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna: 0 limits, 6 violations of any kind.
- NOEC Lethal Static Renewal 48HR Acute Daphnia magna: 0 limits, 6 violations of any kind.
- Whole effluent toxicity - retest #1: 7 limits, 4 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas: 4 limits, 4 violations of any kind.
- Selenium, total [as Se]: 2 limits, 4 violations of any kind.
- Magnesium, total [as Mg]: 1 limit, 3 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Daphnia magna: 4 limits, 2 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Daphnia magna: 4 limits, 2 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Daphnia magna: 4 limits, 2 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Daphnia magna: 4 limits, 2 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Daphnia magna: 4 limits, 2 violations of any kind.
- LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Daphnia magna: 4 limits, 2 violations of any kind.
- LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas: 4 limits, 2 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind.
- January 17, 2019: Permit Violations - Violation Specified in Comment (ST6).
- May 10, 2017: Permit Violations - Violation Specified in Comment (ST6).
FRONTERA ENERGY CENTER among its neighbors
185 discharge permits are in the Llano Grande Lake-Arroyo Colorado subwatershed (HUC 121102080100); TX0116785 is one. Its county: 439, 16 major; TX0116785 is major permit.
Other permits in the Llano Grande Lake-Arroyo Colorado subwatershed (HUC 121102080100)
- 365 TOLL PROJECT SEGMENT 1 & 2, Mcallen: TXR1594WP, minor, term to 2028-03-04
- AEP - DEL SOL TO FRONTERA ELECTRICAL T-LINE CONSTR, Palmview: TXR1571UC, minor, term to 2028-03-04
- ALAMO CONCRETE PRODUCTS PLANT 89, Mission: TXG110940, minor, term to 2021-11-07
- ALAMO METAL RECYCLING, Alamo: TXR05EZ37, minor, term to 2026-08-13
- ALAMO TRUCK SALES & USED PARTS, Alamo: TXR05FL19, minor, term to 2026-08-13
- ALTO BONITO SUBDIVISION, Weslaco: TXR1581TP, minor, term to 2028-03-04
- AMERICAN USED AUTO PARTS, Alamo: TXR05GF71, minor, term to 2026-08-13
- AMERICAN USED AUTO PARTS, Alamo: TXR05HD02, minor, term to 2031-08-13
- AMIGASO JUNKYARD & AUTO SALVAGE, Alamo: TXR05FS43, minor, term to 2026-08-13
- ANACUA SENIOR VILLAGE, Mission: TXR1535VD, minor, term to 2028-03-04
Identity
| Facility | FRONTERA ENERGY CENTER |
|---|---|
| Permittee | FRONTERA GENERATION LP |
| NPDES ID | TX0116785 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Issued | October 13, 2015 |
| Expires | June 1, 2020 |
| Address | Mission, TX 78572 |
| Receiving water | HIDALGO COUNTY DRAINAGE DITCH, MAIN FLOODWAY |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Llano Grande Lake-Arroyo Colorado (HUC 121102080100) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler TXR000032607; ICIS-AIR source TX0000004821500084 |
NPDES TX0116785: effluent limits and exceedances
FRONTERA ENERGY CENTER (NPDES TX0116785): 36 pollutants on file, 29 limited; 36 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Oil & Grease | 4 | 23 | 3 | April 30, 2022 | 180% over the limit |
| Solids, total suspended | 4 | 18 | 3 | August 31, 2008 | 34% over the limit |
| Chloride [as Cl] | 4 | 15 | 3 | July 31, 2015 | 386% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 8 | 2 | August 31, 2014 | 93,400% over the limit |
| Aluminum, total [as Al] | 4 | 4 | 2 | December 31, 2018 | 15% over the limit |
| Sulfate, total [as SO4] | 4 | 14 | 1 | July 31, 2012 | 2% over the limit |
| Solids, total dissolved | 4 | 18 | 0 | ||
| Chlorine, total residual | 0 | 12 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 4 | 11 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 11 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 11 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 10 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 10 | 0 | ||
| Chlorine, free available | 4 | 9 | 0 | ||
| Daphnia magna survival 24 Hr Acute WET | 1 | 9 | 0 | ||
| Chromium, total [as Cr] | 4 | 8 | 0 | ||
| Zinc, total [as Zn] | 4 | 8 | 0 | ||
| pH | 2 | 6 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Daphnia magna | 0 | 6 | 0 | ||
| NOEC Lethal Static Renewal 48HR Acute Daphnia magna | 0 | 6 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 4 | 4 | 0 | ||
| Selenium, total [as Se] | 2 | 4 | 0 | ||
| Magnesium, total [as Mg] | 1 | 3 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Daphnia magna | 4 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Daphnia magna | 4 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Daphnia magna | 4 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Daphnia magna | 4 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Daphnia magna | 4 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 4 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Daphnia magna | 4 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 4 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 2 | 0 |
NPDES TX0116785: inspections, violations and enforcement
NPDES TX0116785: 2 single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 17, 2019 | Permit Violations - Violation Specified in Comment | ST6 |
| May 10, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0116785 (FRONTERA ENERGY CENTER): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0116785
NPDES TX0116785: one email when its EPA record changes — $99/month.
Permits near NPDES TX0116785
NPDES TX0116785: 36 pollutant rows, 2 dated events; ICIS-NPDES download, loaded October 14, 2026.