Non-Compliance
TRI Reporter
Clean Air Act
Clean Water Act
DCP MIDSTREAM LP/OKARCHE PLANT
Quick Summary
- •Released 1,052 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
-
6 MI W ON COUNTY LINE RD
OKARCHE, OK 73762
View on map ↗ - County
- KINGFISHER County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211130
- Inspections
- 4 · last May 22, 2025
- Total Penalties
- $0
- Registry ID
- 110007161533
How This Compares
#164
of 314 TRI reporters in OK
#418
of 555 TRI reporters in Mining, Quarrying, and Oil and Gas Extraction
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.
2
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
1
Water (CWA)
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 (2022–2024)
-70% overall
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2022 | 3,546 | — |
| 2023 | 3,910 | +10% |
| 2024 | 1,052 | -73% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Diethanolamine | — | — | — | — | — | |
| n-Hexane | 500 | 500 | — | — | 65 | |
| Cyclohexane | 220 | 220 | — | — | 15 | |
| Toluene | 136 | 136 | — | — | 9 | |
| Methanol | 72 | 72 | — | — | — | |
| Xylene (mixed isomers) | 66 | 66 | — | — | 7 | |
| Benzene | 48 | 48 | — | — | 3 | ♦ Carcinogen |
| Ethylbenzene | 10 | 10 | — | — | 1 | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| Xylene (mixed isomers) | — | — | — | — | — | |
| n-Hexane | 2,410 | 2,410 | — | — | 6,030 | |
| Methanol | 690 | 690 | — | — | 40 | |
| Cyclohexane | 610 | 610 | — | — | 797 | |
| Toluene | 200 | 200 | — | — | 388 |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Xylene (mixed isomers) | — | — | — | — | — | |
| Toluene | — | — | — | — | — | |
| Diethanolamine | — | — | — | — | — | |
| Benzene | — | — | — | — | — | ♦ Carcinogen |
| n-Hexane | 2,410 | 2,410 | — | — | 850 | |
| Methanol | 646 | 646 | — | — | 5 | |
| Cyclohexane | 490 | 490 | — | — | 110 |
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 |
|---|
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 |
|---|---|---|---|---|---|
|
BOSTICK SERVICES SWD - OKARCHE
CRESCENT, OK
|
Cyclohexane | 15 | — | — | — |
|
BOSTICK SERVICES SWD - OKARCHE
CRESCENT, OK
|
n-Hexane | 65 | — | — | — |
|
BOSTICK SERVICES SWD - OKARCHE
CRESCENT, OK
|
Benzene | 3 | — | — | — |
|
BOSTICK SERVICES SWD - OKARCHE
CRESCENT, OK
|
Ethylbenzene | 1 | — | — | — |
|
BOSTICK SERVICES SWD - OKARCHE
CRESCENT, OK
|
Xylene (mixed isomers) | 7 | — | — | — |
|
BOSTICK SERVICES SWD - OKARCHE
CRESCENT, OK
|
Toluene | 9 | — | — | — |
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 | Sep 30, 2025 | — | Open |
| caa | FRV | Apr 27, 2023 | — | Open |
| cwa | Schedule Event achieved late but reported | May 4, 2022 | — | Open |
| caa | FRV | Jul 21, 2021 | — | Open |
| cwa | Schedule Event unachieved and not reported | Mar 1, 2021 | Jul 15, 2021 | Resolved |
| cwa | Schedule Event unachieved but reported | Mar 1, 2021 | Jul 15, 2021 | Resolved |
| cwa | Schedule Event achieved late but reported | Mar 1, 2021 | — | Open |
| cwa | Schedule Event reported late | Mar 1, 2021 | — | Open |
| cwa | Schedule Event achieved late but reported | May 27, 2018 | — | Open |
| cwa | Schedule Event unachieved and not reported | May 27, 2018 | — | Open |
| cwa | Schedule Event reported late | May 27, 2018 | — | Open |
| cwa | Schedule Event unachieved but reported | May 27, 2018 | — | Open |
| caa | FRV | Mar 15, 2017 | — | 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 |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 35.90 mg/L | 30.00 | +20% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 57.00 mg/L | 45.00 | +27% | Mar 2025 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 32.25 mg/L | 30.00 | +8% | Oct 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.00 mg/L | 45.00 | +9% | Oct 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2.70 kg/d | 2.61 | +3% | Aug 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3.38 kg/d | 2.61 | +30% | Apr 2024 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 30.00 | +80% | Sep 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4.04 kg/d | 2.61 | +55% | Sep 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.00 mg/L | 45.00 | +20% | Sep 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 4.04 kg/d | 3.92 | +3% | Sep 2023 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 3.75 kg/d | 2.61 | +44% | Jul 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.50 mg/L | 30.00 | +2% | Apr 2023 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.00 mg/L | 30.00 | +27% | Sep 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.50 mg/L | 30.00 | +38% | Apr 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.50 mg/L | 30.00 | +2% | Jul 2021 | Open |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.13 mg/L | 0.10 | +31% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 31.50 mg/L | 30.00 | +5% | Apr 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 70.50 mg/L | 45.00 | +57% | Jul 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 44.00 mg/L | 30.00 | +47% | Jul 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 30.00 | +127% | Jun 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 68.00 mg/L | 45.00 | +51% | Jun 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 2.88 kg/d | 2.61 | +10% | Jun 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 38.00 mg/L | 30.00 | +27% | May 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 45.00 | +7% | Apr 2019 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.00 mg/L | 30.00 | +60% | Apr 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 45.00 mg/L | 30.00 | +50% | Feb 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 36.00 mg/L | 30.00 | +20% | Jan 2019 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.50 mg/L | 30.00 | +12% | Dec 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.00 mg/L | 45.00 | +13% | Nov 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 51.00 mg/L | 30.00 | +70% | Nov 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 135.00 mg/L | 45.00 | +200% | Oct 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 126.00 mg/L | 30.00 | +320% | Oct 2018 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 56.70 mg/L | 45.00 | +26% | May 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 39.00 mg/L | 30.00 | +30% | Apr 2018 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.50 mg/L | 30.00 | +58% | Nov 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 47.50 mg/L | 45.00 | +6% | Nov 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5.51 kg/d | 3.92 | +41% | Oct 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 5.51 kg/d | 2.61 | +111% | Oct 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 64.50 mg/L | 30.00 | +115% | Oct 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 64.50 mg/L | 45.00 | +43% | Oct 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 30.50 mg/L | 30.00 | +2% | Sep 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.50 mg/L | 45.00 | +8% | Aug 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 48.50 mg/L | 30.00 | +62% | Aug 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 33.00 mg/L | 30.00 | +10% | Jul 2017 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 41.27 mg/L | 30.00 | +38% | Mar 2017 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.70 mg/L | 30.00 | +69% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 50.70 mg/L | 45.00 | +13% | Dec 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.50 mg/L | 30.00 | +65% | Apr 2015 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.50 mg/L | 45.00 | +10% | Apr 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.
State CWA Non Penalty AO
Clean Water Act
· Case OK-I-37000290-23-1 · Dec 5, 2023
State CWA Non Penalty AO
Clean Water Act
· Case OK-37000290-22-1 · Apr 4, 2022
State CWA Non Penalty AO
Clean Water Act
· Case OK-I-37000290-18-1 · Apr 27, 2018
Other facilities in KINGFISHER County, OK
CHISHOLM OIL AND GAS OPERATING LLC / PREACHER CREEK RANCH 1 14MH
HENNESSEY, OK
· Mining, Quarrying, and Oil and Gas Extraction
OVINTIV USA INC / CONNIE 1H 15X
KINGFISHER, OK
· Mining, Quarrying, and Oil and Gas Extraction
OVINTIV USA INC / APACHE 1H 30X
KINGFISHER, OK
· Mining, Quarrying, and Oil and Gas Extraction
JOHNSONS OF KINGFISHER
KINGFISHER, OK
OVINTIV USA INC / CHLOUBER 7H 16LM
KINGFISHER, OK
· Mining, Quarrying, and Oil and Gas Extraction
BCE MACH III LLC / BROWN 1706 6 27MH PAD
DOVER, OK
· Mining, Quarrying, and Oil and Gas Extraction