TRI Reporter
Clean Air Act
Clean Water Act
RCRA
SIGNAL MOUNTAIN CEMENT CO
Quick Summary
- •Released 8,959 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1201 SUCK CREEK ROAD
CHATTANOOGA, TN 37405
View on map ↗ - County
- HAMILTON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 327310
- Inspections
- 5 · last Sep 30, 2025
- Total Penalties
- $0 · last Oct 7, 2003
- Registry ID
- 110070878844
How This Compares
#176
of 554 TRI reporters in TN
#4,209
of 16,877 TRI reporters in Manufacturing
Ranked by most recent year's total TRI releases.
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 (2015–2024)
-95% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 8,239 | — |
| 2016 | 8,598 | +4% |
| 2017 | 8,959 | +4% |
| 2018 | 8,584 | -4% |
| 2019 | 9,353 | +9% |
| 2020 | 6,148 | -34% |
| 2021 | 4,557 | -26% |
| 2022 | 288 | -94% |
| 2023 | 500 | +74% |
| 2024 | 435 | -13% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Manganese compounds | 381 | 207 | 174 | — | 1,109 | |
| Mercury compounds | 27 | 27 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 18 | 18 | — | — | 14,909 | |
| Lead compounds | 8 | 8 | — | — | 36 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Manganese compounds | 445 | 274 | 171 | — | 1,318 | |
| Mercury compounds | 25 | 25 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 21 | 21 | — | — | 10,977 | |
| Lead compounds | 9 | 9 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Ethylene glycol | — | — | — | — | — | |
| Manganese compounds | 235 | 235 | — | — | 81 | |
| Mercury compounds | 22 | 22 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 21 | 21 | — | — | 4,047 | |
| Lead compounds | 9 | 9 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 4,214 | 4,214 | — | — | — | |
| Manganese compounds | 275 | 275 | — | — | 1,938 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 35 | 35 | — | — | 42,270 | |
| Mercury compounds | 21 | 21 | — | — | — | |
| Lead compounds | 12 | 12 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 5,550 | 5,550 | — | — | — | |
| Manganese compounds | 475 | 475 | — | — | 35 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 90 | 90 | — | — | 5,794 | |
| Mercury compounds | 19 | 19 | — | — | — | |
| Lead compounds | 14 | 14 | — | — | — |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 8,624 | 8,624 | — | — | — | |
| Manganese compounds | 642 | 642 | — | — | 25 | |
| Chromium | 44 | 44 | — | — | 1,251 | |
| Lead compounds | 22 | 22 | — | — | — | |
| Mercury compounds | 20 | 20 | — | — | — |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 7,883 | 7,883 | — | — | — | |
| Manganese compounds | 622 | 622 | — | — | — | |
| Chromium | 41 | 41 | — | — | 50,820 | |
| Lead compounds | 20 | 20 | — | — | — | |
| Mercury compounds | 18 | 18 | — | — | — | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 8,334 | 8,334 | — | — | — | |
| Manganese compounds | 539 | 539 | — | — | — | |
| Chromium | 43 | 43 | — | — | 26,194 | |
| Lead compounds | 22 | 22 | — | — | — | |
| Mercury compounds | 20 | 20 | — | — | — | |
| Ethylene glycol | 1 | 1 | — | — | 291 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 7,769 | 7,769 | — | — | — | |
| Manganese compounds | 785 | 785 | — | — | — | |
| Mercury compounds | 24 | 24 | — | — | — | |
| Lead compounds | 20 | 20 | — | — | — |
2015
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Aluminum (fume or dust) | 7,586 | 7,586 | — | — | — | |
| Manganese compounds | 633 | 633 | — | — | — | |
| Lead compounds | 20 | 20 | — | — | — |
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 |
|---|---|---|---|---|
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 14,868 | — | — |
| Manganese compounds | — | 732 | — | — |
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 |
|---|---|---|---|---|---|
|
RHEA COUNTY LANDFILL
EVENSVILLE, TN
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 41 | — | — | — |
|
COMMERCIAL METALS
CHATTANOOGA, TN
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 9,201 | — | — |
|
OWENS CORPORATION
CORNERSVILLE, TN
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | 5,667 | — | — |
|
OWENS CORPORATION
CORNERSVILLE, TN
|
Manganese compounds | — | 732 | — | — |
|
RHEA COUNTY LANDFILL
EVENSVILLE, TN
|
Manganese compounds | 377 | — | — | — |
|
RHEA COUNTY LANDFILL
EVENSVILLE, TN
|
Lead compounds | 36 | — | — | — |
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 |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: General | Dec 21, 2016 | Dec 21, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | Dec 21, 2016 | Dec 21, 2016 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: General Facility Standards | Dec 21, 2016 | Dec 21, 2016 | Resolved |
| rcra | Interim Status Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | Dec 21, 2016 | Dec 21, 2016 | Resolved |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Dec 21, 2016 | Jan 30, 2017 | 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 | 78.00 mg/L | 50.00 | +56% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 50.00 | +14% | Mar 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 61.00 mg/L | 50.00 | +22% | Jul 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 58.00 mg/L | 50.00 | +16% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 60.00 mg/L | 50.00 | +20% | Aug 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.
WARNING LETTER
RCRA (Hazardous Waste)
· Case RCRA-TNR000041871-001 · Feb 1, 2017
Administrative - Formal
· Case 04-2003-2551 · Jul 15, 2003
$5,026
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