Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
RCRA
CHALK POINT POWER
Quick Summary
- •Released 43,216 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 $49,000 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
25100 CHALK POINT ROAD
AQUASCO, MD 20608
View on map ↗ - County
- PRINCE GEORGES County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 9 · last Nov 18, 2025
- Total Penalties
- $49,000 · last May 21, 2024
- Registry ID
- 110005974286
How This Compares
#14
of 156 TRI reporters in MD
#324
of 584 TRI reporters in Utilities
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
5
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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.
Emissions Trend (2015–2022)
-100% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 169,509 | — |
| 2016 | 223,910 | +32% |
| 2017 | 43,216 | -81% |
| 2018 | 104,974 | +143% |
| 2019 | 460 | -100% |
| 2020 | 27,647 | +5915% |
| 2021 | 82,128 | +197% |
| 2022 | 7 | -100% |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Polycyclic aromatic compounds | 7 | 7 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 70,669 | 70,669 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 9,137 | 9,137 | — | — | — | |
| Hydrogen fluoride | 1,438 | 1,438 | — | — | — | |
| Ammonia | 531 | 513 | 18 | — | — | |
| Manganese compounds | 208 | 201 | 7 | — | 474 | |
| Lead compounds | 122 | 121 | 1 | — | 6 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 17 | 8 | 9 | — | 296 | |
| Polycyclic aromatic compounds | 4 | 4 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 3 | 3 | — | — | 21 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 24,703 | 24,703 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 2,716 | 2,716 | — | — | — | |
| Ammonia | 188 | 188 | — | — | — | |
| Lead compounds | 39 | 38 | 1 | — | — | |
| Mercury compounds | 0 | 0 | — | — | 9 | |
| Polycyclic aromatic compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ammonia | 372 | 366 | 6 | — | — | |
| Lead compounds | 88 | 87 | 1 | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 88,887 | 88,887 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 12,198 | 12,198 | — | — | — | |
| Hydrogen fluoride | 1,920 | 1,920 | — | — | — | |
| Ammonia | 1,380 | 1,369 | 11 | — | — | |
| Manganese compounds | 362 | 355 | 7 | — | 313 | |
| Lead compounds | 169 | 168 | 1 | — | 2 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 41 | 32 | 9 | — | 285 | |
| Polycyclic aromatic compounds | 9 | 9 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 8 | 8 | — | — | 8 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 33,817 | 33,817 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 6,450 | 6,450 | — | — | — | |
| Ammonia | 1,799 | 1,791 | 8 | — | — | |
| Hydrogen fluoride | 1,015 | 1,015 | — | — | — | |
| Lead compounds | 94 | 92 | 2 | — | 2 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 32 | 22 | 10 | — | 180 | |
| Polycyclic aromatic compounds | 5 | 5 | — | — | — | ♦ Carcinogen |
| Mercury compounds | 4 | 4 | — | — | 6 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 150,944 | 150,944 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 37,389 | 37,389 | — | — | — | |
| n-Hexane | 28,261 | 28,261 | — | — | — | |
| Hydrogen fluoride | 4,674 | 4,674 | — | — | — | |
| Ammonia | 1,894 | 1,880 | 14 | — | — | |
| Manganese compounds | 367 | 349 | 18 | — | 1,035 | |
| Lead compounds | 278 | 275 | 3 | — | 81 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 92 | 70 | 22 | — | 1,039 | |
| Mercury compounds | 8 | 8 | 0 | — | 17 | |
| Polycyclic aromatic compounds | 3 | 3 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Naphthalene | — | — | — | — | — | ♦ Carcinogen |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 129,861 | 129,861 | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 33,273 | 33,273 | — | — | — | |
| Hydrogen fluoride | 4,159 | 4,159 | — | — | — | |
| Ammonia | 1,544 | 1,525 | 19 | — | — | |
| Manganese compounds | 367 | 360 | 7 | — | 1,328 | |
| Lead compounds | 244 | 243 | 1 | — | 65 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 48 | 39 | 9 | — | 1,022 | |
| Mercury compounds | 7 | 7 | 0 | — | 35 | |
| Polycyclic aromatic compounds | 6 | 6 | — | — | — | ♦ Carcinogen |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
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 | — | — | — | 1,262,509 |
| Hydrogen fluoride | — | — | — | 54,533 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 439,590 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 508,286 |
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 |
|---|---|---|---|---|---|
|
NRG BRANDYWINE ASH STORAGE
BRANDYWINE, MD
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 68 | — | — | — |
|
WASTE MANAGEMENT OF VA
JETERSVILLE, VA
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 112 | — | — | — |
|
WASTE MANAGEMENT OF VA
JETERSVILLE, VA
|
Lead compounds | 2 | — | — | — |
|
WASTE MANAGEMENT OF VA
JETERSVILLE, VA
|
Mercury compounds | 6 | — | — | — |
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 |
|---|---|---|---|---|
| cwa | Schedule Event reported late | Sep 30, 2025 | — | Open |
| caa | FRV | Oct 9, 2019 | — | Open |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Feb 3, 1995 | Mar 2, 1995 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 6, 1991 | Mar 2, 1995 | Resolved |
| rcra | Land Disposal Restrictions: General | Aug 6, 1991 | May 11, 1999 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Nov 20, 1989 | Aug 6, 1991 | 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 | 54.00 mg/L | 50.00 | +8% | Dec 2025 | Open |
| Ammonia nitrogen, total, [as N] 30 day | DMR, Limited - Numeric Violation | 31.08 kg/d | 11.35 | +174% | Dec 2024 | Open |
| Coliform, fecal general | DMR, Limited - Numeric Violation | 547.50 MPN/100mL | 14.00 | +3,811% | Nov 2021 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 0.68 kg/d | 0.41 | +66% | Dec 2017 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.79 kg/d | 0.41 | +584% | Dec 2016 | Open |
| Nitrogen, total [as N] | DMR, Limited - Numeric Violation | 2.36 kg/d | 0.41 | +478% | Dec 2015 | 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.
Administrative - Formal
· Case 03-1987-0716
Administrative - Formal
· Case 03-1988-0334
Notice of Violation
Clean Air Act
· Case 3602057353 · Oct 9, 2019
Civil Judicial Action
Clean Water Act
· Case MD-CO-172422 · Aug 26, 2016
$1,000,000
Administrative - Formal
· Case 03-2014-0214 · Jun 16, 2014
$14,168
State CWA Penalty AO
Clean Water Act
· Case MD-PS-12-1446 · Aug 4, 2011
$800
Judicial
· Case 03-2002-0184 · Apr 20, 2007
$500,000
Administrative - Formal
· Case 03-2000-0227 · May 1, 2000
Administrative - Formal
· Case 03-2000-0226 · Apr 8, 2000
WRITTEN COMPLAINT
RCRA (Hazardous Waste)
· Case RCRA-MDD000731570-000 · Feb 9, 1993
$320,000
Administrative - Formal
· Case 03-1986-0134 · Oct 21, 1985
$7,000
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