LAKE HUBBARD STEAM ELECTRIC STATION
Quick Summary
- •Released 2,820 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 $23,563 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
555 BARNES BRIDGE ROAD
SUNNYVALE, TX 75182
View on map ↗ - County
- DALLAS County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 9 · last Aug 25, 2025
- Total Penalties
- $23,563 · last Oct 28, 2025
- Registry ID
- 110035782891
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 |
|---|---|---|
| 2021 | 0 | — |
| 2022 | 748 | — |
| 2023 | 246 | -67% |
| 2024 | 2,820 | +1046% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 2,820 | 2,820 | — | — | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 246 | 246 | — | — | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Ammonia | 748 | 748 | — | — | — |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | — | — | — | — | — |
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 |
|---|---|---|---|---|
| Ammonia | — | — | — | 511,980 |
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 | FRV | Aug 23, 2022 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2021 | — | Open |
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 |
|---|---|---|---|---|---|---|
| Oil & Grease | DMR, Limited - Numeric Violation | 29.60 mg/L | 20.00 | +48% | Jul 2024 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 353.00 mg/L | 20.00 | +1,665% | Sep 2023 | Open |
| Oil & Grease | DMR, Limited - Numeric Violation | 92.20 mg/L | 15.00 | +515% | Sep 2023 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.24 mg/L | 0.20 | +18% | Jul 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.57 mg/L | 0.20 | +185% | Jun 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Overdue | 0.57 mg/L | 0.20 | +185% | Jun 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.20 | +13% | Mar 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.20 | +105% | Feb 2023 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.29 mg/L | 0.20 | +45% | Feb 2022 | Open |
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.