HORSE CREEK ROCK QUARRY (LQD ET1696)

Address

HORSE CREEK ROAD
IRON MOUNTAIN, WY 82009
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County

LARAMIE County

Inspections

3 · last Jul 21, 2025

Total Penalties

$0

Registry ID

110055176358

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.

3

Water (CWA)
Qtrs Non-Compliant

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
Produced water, oil and grease	DMR, Limited - Numeric Violation	20.00 mg/L	10.00	+100%	Dec 2024	Open
Produced water, oil and grease	DMR, Limited - Numeric Violation	26.00 mg/L	10.00	+160%	Apr 2024	Resolved
Produced water, oil and grease	DMR, Limited - Numeric Violation	27.00 mg/L	10.00	+170%	Dec 2023	Resolved
Produced water, oil and grease	DMR, Limited - Numeric Violation	11.00 mg/L	10.00	+10%	Jun 2023	Open
Produced water, oil and grease	DMR, Limited - Numeric Violation	12.00 mg/L	10.00	+20%	Dec 2021	Open
Produced water, oil and grease	DMR, Limited - Numeric Violation	11.00 mg/L	10.00	+10%	Dec 2020	Open
Produced water, oil and grease	DMR, Limited - Numeric Violation	11.00 mg/L	10.00	+10%	Oct 2020	Open
Produced water, oil and grease	DMR, Limited - Numeric Violation	15.00 mg/L	10.00	+50%	Apr 2016	Open

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