EmissionsLookup
Non-Compliance TRI Reporter Clean Air Act Clean Water Act RCRA

GCC DACOTAH

Quick Summary

  • •Released 17,632 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 $0 in total penalties since records began.
  • •Reports releases of chemicals classified as known or probable carcinogens.
Address
501 NORTH SAINT ONGE STREET
RAPID CITY, SD 57702
View on map ↗
County
PENNINGTON County
Industry
Manufacturing
NAICS (North American Industry Classification)
327310
Inspections
8 · last Aug 28, 2025
Total Penalties
$0 · last Jan 2, 2020
Registry ID
110070834910

How This Compares

#24 of 84 TRI reporters in SD
#3,034 of 16,877 TRI reporters in Manufacturing

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.

6
Air (CAA)
Qtrs Non-Compliant
2
Water (CWA)
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
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 (2015–2024) +248% overall
Year Total Releases (lbs) vs Prior Year
2015 10,409 —
2016 15,514 +49%
2017 17,632 +14%
2018 12,910 -27%
2019 4,322 -67%
2020 25,272 +485%
2021 28,602 +13%
2022 28,460 -0%
2023 25,951 -9%
2024 36,223 +40%

2024

Chemical Total (lbs) Air Water Land Off-Site
Barium 16,412 525 — 15,887 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 5,891 127 — 5,765 —
Lead compounds 5,865 100 — 5,765 —
Copper 4,756 4,483 — 272 —
Manganese 2,886 1,070 — 1,816 —
Zinc (fume or dust) 379 333 — 45 —
Mercury 35 33 — 2 —
Dioxin and dioxin-like compounds 0 0 — — — ♦ Carcinogen

2023

Chemical Total (lbs) Air Water Land Off-Site
Barium 10,526 580 — 9,946 —
Copper 5,177 5,006 — 171 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 3,774 165 — 3,609 —
Lead compounds 3,721 112 — 3,609 —
Manganese 2,314 1,178 — 1,137 —
Zinc (fume or dust) 398 370 — 28 —
Mercury 41 40 — 1 —
Dioxin and dioxin-like compounds 0 0 — — — ♦ Carcinogen

2022

Chemical Total (lbs) Air Water Land Off-Site
Barium 11,905 571 — 11,334 —
Copper 5,176 4,982 — 194 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 4,261 148 — 4,113 —
Lead compounds 4,226 114 — 4,113 —
Manganese 2,449 1,154 — 1,295 —
Zinc (fume or dust) 399 366 — 32 —
Mercury 42 41 — 2 —
Dioxin and dioxin-like compounds 1 1 — — — ♦ Carcinogen

2021

Chemical Total (lbs) Air Water Land Off-Site
Barium 12,450 494 — 11,956 —
Copper 4,511 4,306 — 205 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 4,465 126 — 4,339 —
Lead compounds 4,435 96 — 4,339 —
Manganese 2,355 989 — 1,366 —
Zinc (fume or dust) 350 316 — 34 —
Mercury 34 32 — 2 —
Dioxin and dioxin-like compounds 2 2 — — — ♦ Carcinogen

2020

Chemical Total (lbs) Air Water Land Off-Site
Barium 10,513 500 — 10,013 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 4,133 500 — 3,633 —
Copper 3,987 3,737 — 250 —
Lead compounds 3,712 79 — 3,633 —
Manganese 2,144 1,000 — 1,144 —
Zinc (fume or dust) 750 500 — 250 —
Mercury 31 30 — 1 —
Dioxin and dioxin-like compounds 2 2 — — — ♦ Carcinogen

2019

Chemical Total (lbs) Air Water Land Off-Site
Copper 4,291 4,147 — 144 —
Mercury 31 30 — 1 —

2018

Chemical Total (lbs) Air Water Land Off-Site
Barium 5,290 290 — 5,000 —
Copper 2,518 2,432 — 86 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 1,896 83 — 1,813 —
Lead compounds 1,867 54 — 1,813 —
Manganese 1,134 563 — 571 —
Zinc (fume or dust) 195 181 — 14 —
Mercury 9 8 — 1 —
Dioxin and dioxin-like compounds 2 2 — — — ♦ Carcinogen

2017

Chemical Total (lbs) Air Water Land Off-Site
Barium 7,179 432 — 6,747 —
Copper 3,773 3,665 — 108 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 2,409 117 — 2,292 —
Lead compounds 2,375 83 — 2,292 —
Manganese 1,580 858 — 722 —
Zinc (fume or dust) 288 270 — 18 —
Mercury 27 26 — 1 —
Dioxin and dioxin-like compounds 2 2 — — — ♦ Carcinogen

2016

Chemical Total (lbs) Air Water Land Off-Site
Barium 5,775 439 — 5,336 —
Copper 3,838 3,747 — 91 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 2,057 121 — 1,936 —
Lead compounds 2,021 85 — 1,936 —
Manganese 1,500 890 — 610 —
Zinc (fume or dust) 291 276 — 15 —
Mercury 30 29 — 1 —
Dioxin and dioxin-like compounds 2 2 — — — ♦ Carcinogen

2015

Chemical Total (lbs) Air Water Land Off-Site
Copper 3,578 3,530 — 48 —
Barium 3,205 407 — 2,798 —
Manganese 1,146 826 — 320 —
Chromium compounds (except for chromite ore mined in the Transvaal Region) 1,128 113 — 1,015 —
Lead compounds 1,045 30 — 1,015 —
Zinc (fume or dust) 269 261 — 8 —
Mercury 37 36 — 0 —
Dioxin and dioxin-like compounds 2 2 — — — ♦ 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

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 Jun 2, 2025 — Open
caa HPV Oct 22, 2024 Mar 19, 2025 Resolved
caa FRV Sep 27, 2024 — Open
caa FRV Jun 24, 2024 — Open
caa FRV Jul 14, 2023 — Open
caa FRV Jul 29, 2020 — Open
caa HPV Feb 25, 2019 Jan 2, 2020 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 54.80 mg/L 45.00 +22% Aug 2024 Open
Solids, total suspended DMR, Limited - Numeric Violation 139.00 mg/L 50.00 +178% Feb 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 139.00 mg/L 50.00 +178% Feb 2023 Open
Solids, total suspended DMR, Limited - Numeric Violation 75.00 mg/L 50.00 +50% Apr 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 75.00 mg/L 50.00 +50% Apr 2021 Open
Solids, total suspended DMR, Limited - Numeric Violation 51.00 mg/L 50.00 +2% Sep 2015 Open
Solids, total suspended DMR, Limited - Numeric Violation 51.00 mg/L 50.00 +2% Sep 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
Clean Air Act · Case 3604239220 · Mar 17, 2025
$0
Administrative - Formal
Clean Air Act · Case 3601932645 · Jan 2, 2020
$23,242
Notice of Violation
Clean Air Act · Case 3602084968 · Nov 27, 2019
Administrative - Formal
· Case 08-2012-0118 · Sep 6, 2012
$70,000

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