AMERICAN PACIFIC MINING CORP- MADISON PROJECT

Address

2.25 MI W OF SILVER STAR
SILVER STAR, MT 59751
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County

MADISON County

Inspections

1 · last Jul 16, 2024

Total Penalties

$0

Registry ID

110063222383

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.

1

Water (CWA)
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	Monitoring Violations - Improper Analysis or Lab Error	Jul 16, 2024	Nov 12, 2024	Resolved
cwa	Reporting Violations - Improper/ Incorrect Reporting	Jul 16, 2024	Nov 12, 2024	Resolved
cwa	Management Practice Violations - Failure to Maintain Records	Jul 16, 2024	Nov 12, 2024	Resolved
cwa	Monitoring Violations - Invalid/Unrepresentative Sample	Jul 16, 2024	Nov 12, 2024	Resolved
cwa	Permit Violations - Violation Specified in Comment	Sep 28, 2009	—	Open
cwa	Permit Violations - Violation Specified in Comment	Aug 21, 2009	—	Open
cwa	Schedule Event achieved late but reported	Aug 21, 2009	—	Open
cwa	Schedule Event achieved late but reported	Jun 1, 2009	—	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
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+132%	Sep 2020	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	0.64 mg/L	0.30	+113%	Jul 2020	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	1.16 mg/L	0.30	+287%	May 2019	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	1.15 mg/L	0.30	+283%	Dec 2018	Open
Lead, dissolved [as Pb]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+95%	Jan 2018	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	0.77 mg/L	0.30	+156%	Nov 2017	Open
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+7%	Jul 2017	Open
Uranium, dissolved	DMR, Limited - Numeric Violation	0.01 mg/L	0.00	+7%	Jun 2017	Open
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+21%	May 2017	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	2.57 mg/L	0.30	+757%	May 2017	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	0.51 mg/L	0.30	+71%	Apr 2017	Open
Cadmium, dissolved [as Cd]	DMR, Limited - Overdue	0.00 mg/L	0.00	+29%	Mar 2017	Resolved
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+29%	Mar 2017	Open
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+69%	Sep 2016	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	0.64 mg/L	0.30	+114%	Jun 2016	Open
Lead, dissolved [as Pb]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+4%	Jun 2016	Open
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+76%	Mar 2016	Open
Cadmium, dissolved [as Cd]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+40%	Dec 2015	Open
Lead, dissolved [as Pb]	DMR, Limited - Numeric Violation	0.00 mg/L	0.00	+3%	Jun 2015	Open
Zinc, dissolved [as Zn]	DMR, Limited - Numeric Violation	0.39 mg/L	0.30	+28%	Jun 2015	Open

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