Non-Compliance
Clean Water Act
ASHLEY VALLEY OIL FIELDS
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $35,641 in total penalties since records began.
- Address
-
SOUTH 5500 EAST
VERNAL, UT 84035
View on map ↗ - County
- UINTAH County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211111
- Inspections
- 1 · last Sep 9, 2025
- Total Penalties
- $35,641 · last Nov 27, 2024
- Registry ID
- 110009004059
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.
11
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
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 unachieved and not reported | Jan 1, 2026 | Feb 1, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 1, 2026 | Feb 1, 2026 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2025 | — | Open |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2025 | Aug 18, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Jul 1, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2025 | Aug 18, 2025 | Resolved |
| cwa | Schedule Event reported late | Jul 1, 2025 | — | Open |
| cwa | Schedule Event achieved late but reported | Jul 1, 2025 | — | Open |
| cwa | Schedule Event unachieved but reported | Jul 1, 2025 | Aug 18, 2025 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jul 1, 2025 | Aug 18, 2025 | Resolved |
| cwa | Schedule Event achieved late but reported | Aug 10, 2024 | — | Open |
| cwa | Schedule Event achieved late but reported | Aug 10, 2024 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Sep 30, 2016 | — | Open |
| cwa | Effluent Violations - Narrative Effluent Violation | Sep 30, 2016 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | May 8, 2013 | — | Open |
| cwa | Effluent Violations - Unauthorized Discharge | Jan 12, 2011 | — | 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 dissolved | DMR, Limited - Numeric Violation | 2,954.14 kg/d | 911.34 | +224% | Dec 2025 | Open |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.23 mg/L | 0.08 | +190% | Dec 2025 | Open |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.08 | +23% | Feb 2025 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 3,796.01 kg/d | 911.34 | +317% | Dec 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,310.00 mg/L | 1,200.00 | +9% | Nov 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.07 mg/L | 0.00 | +3,400% | Nov 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +400% | Oct 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,340.00 mg/L | 1,200.00 | +12% | Oct 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,320.00 mg/L | 1,200.00 | +10% | Sep 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,210.00 mg/L | 1,200.00 | +1% | Aug 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +400% | Aug 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +400% | Jul 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,300.00 mg/L | 1,200.00 | +8% | Jul 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,290.00 mg/L | 1,200.00 | +8% | Jun 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.01 mg/L | 0.00 | +400% | May 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,280.00 mg/L | 1,200.00 | +7% | May 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,280.00 mg/L | 1,200.00 | +7% | Apr 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.00 | +1,400% | Apr 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +900% | Mar 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,340.00 mg/L | 1,200.00 | +12% | Mar 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,300.00 mg/L | 1,200.00 | +8% | Feb 2024 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.00 | +1,400% | Jan 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,280.00 mg/L | 1,200.00 | +7% | Jan 2024 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 3,731.27 kg/d | 911.34 | +309% | Dec 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,280.00 mg/L | 1,200.00 | +7% | Dec 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +900% | Dec 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.00 | +1,400% | Nov 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.00 | +2,400% | Oct 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,300.00 mg/L | 1,200.00 | +8% | Oct 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +900% | Sep 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,280.00 mg/L | 1,200.00 | +7% | Sep 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,340.00 mg/L | 1,200.00 | +12% | Aug 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.00 | +2,400% | Aug 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.00 | +1,900% | Jul 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,270.00 mg/L | 1,200.00 | +6% | Jul 2023 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.00 | +900% | Jun 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,220.00 mg/L | 1,200.00 | +2% | Jun 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,260.00 mg/L | 1,200.00 | +5% | May 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,260.00 mg/L | 1,200.00 | +5% | Apr 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,260.00 mg/L | 1,200.00 | +5% | Mar 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,260.00 mg/L | 1,200.00 | +5% | Feb 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,300.00 mg/L | 1,200.00 | +8% | Jan 2023 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,270.00 mg/L | 1,200.00 | +6% | Dec 2022 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 3,901.83 kg/d | 911.34 | +328% | Dec 2022 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,310.00 mg/L | 1,200.00 | +9% | Nov 2022 | Resolved |
| BOD, 5-day, 20 deg. C | DMR, Limited - Numeric Violation | 32.00 mg/L | 30.00 | +7% | Oct 2022 | Resolved |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,300.00 mg/L | 1,200.00 | +8% | Oct 2022 | Resolved |
| Sulfide-hydrogen sulfide [undissociated] | DMR, Limited - Numeric Violation | 1.10 mg/L | 1.00 | +10% | Oct 2022 | Resolved |
| Solids, total suspended | DMR, Limited - Numeric Violation | 26.00 mg/L | 25.00 | +4% | Oct 2022 | Open |
| Solids, total dissolved | DMR, Limited - Numeric Violation | 1,250.00 mg/L | 1,200.00 | +4% | Sep 2022 | Resolved |
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 UT-I23-18 · Nov 27, 2024
$17,810
State CWA Non Penalty AO
Clean Water Act
· Case UT-NOV UT0000035 · Jul 11, 2024
$17,831
State CWA Penalty AO
Clean Water Act
· Case UT-UT0000035_Mar 20 · Mar 6, 2020
$11,700
State CWA Non Penalty AO
Clean Water Act
· Case UT-NOV2019-UT0000035 · Aug 28, 2019
$11,700
State Administrative Order of Consent
Clean Water Act
· Case UT-I11-01 · Jun 20, 2011
$3,795
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