ARNOLD ENGINEERING COMPANY
Quick Summary
- •Released 0 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
-
601 WEST 1ST STREET
OGALLALA, NE 69153
View on map ↗ - County
- KEITH County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 335999
- Inspections
- 5 · last Dec 17, 2025
- Total Penalties
- $0
- Registry ID
- 110001519376
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 |
|---|---|---|
| 2015 | 5 | — |
| 2016 | 0 | -99% |
| 2017 | 0 | +33% |
| 2018 | 0 | +25% |
| 2019 | 0 | -40% |
| 2020 | 0 | 0% |
| 2021 | 0 | 0% |
| 2022 | 0 | 0% |
| 2023 | 0 | +67% |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 344 | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 787 | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 758 | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 657 | ♦ Carcinogen |
2019
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 785 | ♦ Carcinogen |
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 854 | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 35 | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Lead | 0 | 0 | — | — | 644 | ♦ 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 |
|---|---|---|---|---|
| Lead | — | 853 | — | — |
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 |
|---|---|---|---|---|---|
|
ROCKY MOUNTAIN RECYCLING, INC.
COMMERCE CITY, CO
|
Lead | — | 35 | — | — |
Transfers to Publicly-Owned Treatment Works (POTWs)
Toxic chemicals transferred to municipal wastewater treatment plants during the most recent TRI reporting year. Quantities in pounds.
| Chemical | Transferred (lbs) | POTW |
|---|---|---|
| Lead | 0 | OGALLALA WASTEWATER TRTMNT 01, OGALLALA |
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 |
|---|---|---|---|---|---|---|
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 1.29 mg/L | 0.69 | +87% | Sep 2024 | Open |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 1.29 mg/L | 0.26 | +396% | Sep 2024 | Open |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 1.13 mg/L | 0.69 | +64% | Mar 2024 | Open |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 0.46 mg/L | 0.26 | +78% | Mar 2024 | Open |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 1.22 mg/L | 0.69 | +77% | Sep 2019 | Open |
| Cadmium, total [as Cd] | DMR, Limited - Numeric Violation | 0.67 mg/L | 0.26 | +158% | Sep 2019 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 12.00 mg/L | 3.38 | +255% | Dec 2018 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 12.00 mg/L | 2.07 | +480% | Dec 2018 | Open |
| Nickel, total [as Ni] | DMR, Limited - Numeric Violation | 3.96 mg/L | 2.38 | +66% | Mar 2018 | 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.