SCMA MT LAUREL WTP
NPDES ID: PA0062197
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 7 effluent violations.
Violations
May 31, 2026
Zinc, total [as Zn]
93% over limit
Discharged 0.096 mg/L against a permitted limit of 0.0497 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
12% over limit
Discharged 1.065 mg/L against a permitted limit of 0.948 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
83% over limit
Discharged 0.0004994 kg/d against a permitted limit of 0.0002724 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
5% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.008626 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
40% over limit
Discharged 0.00025424 kg/d against a permitted limit of 0.0001816 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
77% over limit
Discharged 0.024062 kg/d against a permitted limit of 0.01362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
6% over limit
Discharged 1.57 mg/L against a permitted limit of 1.479 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Mercury, total [as Hg]
62% over limit
Discharged 0.00016 mg/L against a permitted limit of 0.000099 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Mercury, total [as Hg]
111% over limit
Discharged 0.00008626 kg/d against a permitted limit of 0.00004086 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Mercury, total [as Hg]
167% over limit
Discharged 0.0004 mg/L against a permitted limit of 0.00015 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Mercury, total [as Hg]
33% over limit
Discharged 0.00003632 kg/d against a permitted limit of 0.00002724 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Zinc, total [as Zn]
8% over limit
Discharged 0.043 mg/L against a permitted limit of 0.04 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
15% over limit
Discharged 0.057 mg/L against a permitted limit of 0.0497 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)