ALMA SEAM DEEP MINE

Address

1800 WASHINGTON ROAD
PITTSBURGH, PA 15241
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County

ALLEGHENY County

Inspections

5 · last Feb 10, 2026

Total Penalties

$0

Registry ID

110069994300

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

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
Iron, total [as Fe]	DMR, Limited - Numeric Violation	0.69 mg/L	0.59	+17%	Feb 2020	Open
Aluminum, total [as Al]	DMR, Limited - Numeric Violation	0.56 mg/L	0.43	+30%	Feb 2020	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	0.75 kg/d	0.03	+2,373%	Dec 2018	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.16 kg/d	0.02	+799%	Dec 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	4.49 kg/d	0.36	+1,137%	Dec 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.16 kg/d	0.04	+350%	Dec 2018	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.09 MGD	0.00	+5,300%	Dec 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	3.30 kg/d	0.18	+1,714%	Dec 2018	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	1.49 kg/d	0.06	+2,358%	Dec 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	48.50 mg/L	35.00	+39%	Sep 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	81.00 mg/L	70.00	+16%	Sep 2018	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	600.00 MPN/100mL	400.00	+50%	Sep 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	24.81 kg/d	0.18	+13,549%	Sep 2018	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.54 kg/d	0.02	+2,898%	Sep 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	45.50 mg/L	30.00	+52%	Sep 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	64.00 mg/L	60.00	+7%	Sep 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	1.63 kg/d	0.06	+2,583%	Sep 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	34.89 kg/d	0.36	+9,500%	Sep 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.54 kg/d	0.04	+1,399%	Sep 2018	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	332.26 MPN/100mL	200.00	+66%	Sep 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	0.81 kg/d	0.03	+2,583%	Sep 2018	Resolved
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.14 MGD	0.00	+8,900%	Sep 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.46 kg/d	0.04	+1,161%	Jun 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	0.88 kg/d	0.03	+2,793%	Jun 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	2.04 kg/d	0.18	+1,024%	Jun 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	4.09 kg/d	0.36	+1,024%	Jun 2018	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.07 MGD	0.00	+4,400%	Jun 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.23 kg/d	0.02	+1,149%	Jun 2018	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	1.76 kg/d	0.06	+2,800%	Jun 2018	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.09 MGD	0.00	+5,300%	Mar 2018	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	5.67 mg/L	5.00	+13%	Mar 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	10.79 kg/d	0.18	+5,838%	Mar 2018	Resolved
Solids, total suspended	DMR, Limited - Numeric Violation	33.00 mg/L	30.00	+10%	Mar 2018	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	1.86 kg/d	0.03	+6,030%	Mar 2018	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	2.34 kg/d	0.06	+3,767%	Mar 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	12.43 kg/d	0.36	+3,320%	Mar 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.18 kg/d	0.02	+899%	Mar 2018	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.37 kg/d	0.04	+912%	Mar 2018	Open
Iron, total [as Fe]	DMR, Limited - Numeric Violation	0.85 mg/L	0.59	+44%	Feb 2018	Open
Aluminum, total [as Al]	DMR, Limited - Numeric Violation	0.49 mg/L	0.43	+15%	Feb 2018	Open
Iron, total [as Fe]	DMR, Limited - Numeric Violation	0.67 mg/L	0.59	+14%	Jan 2018	Open
Iron, total [as Fe]	DMR, Limited - Numeric Violation	1.11 mg/L	1.02	+9%	Jan 2018	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.61 kg/d	0.04	+1,574%	Dec 2017	Open
Solids, total suspended	DMR, Limited - Numeric Violation	1.36 kg/d	0.18	+649%	Dec 2017	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	2.62 kg/d	0.06	+4,232%	Dec 2017	Open
Solids, total suspended	DMR, Limited - Numeric Violation	1.63 kg/d	0.36	+350%	Dec 2017	Open
Flow, in conduit or thru treatment plant	DMR, Limited - Numeric Violation	0.14 MGD	0.00	+8,900%	Dec 2017	Open
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	0.30 kg/d	0.02	+1,574%	Dec 2017	Resolved
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	2.40 kg/d	0.03	+7,814%	Dec 2017	Resolved
Nitrogen, ammonia total [as N]	DMR, Limited - Numeric Violation	1.60 kg/d	0.02	+8,718%	Sep 2017	Resolved

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