SHENANDOAH BORO.FILTER PLANT
NPDES ID: PA0062758
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Aluminum, total [as Al]
246% over limit
Discharged 2.17011998 kg/d against a permitted limit of 0.62651999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
8% over limit
Discharged 1 mg/L against a permitted limit of 0.927 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
33% over limit
Discharged 0.0001816 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
100% over limit
Discharged 0.0000908 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Cadmium, total [as Cd]
100% over limit
Discharged 0.0000908 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
33% over limit
Discharged 0.0001816 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
29% over limit
Discharged 0.004086 kg/d against a permitted limit of 0.003178 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
100% over limit
Discharged 0.0000908 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
100% over limit
Discharged 0.0002724 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total [as Cu]
40% over limit
Discharged 0.003178 kg/d against a permitted limit of 0.00227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
186% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.003178 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Acrylamide
2400% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
3900% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Copper, total [as Cu]
29% over limit
Discharged 0.004086 kg/d against a permitted limit of 0.003178 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Aluminum, total [as Al]
19% over limit
Discharged 1.1 mg/L against a permitted limit of 0.927 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Cadmium, total [as Cd]
20% over limit
Discharged 0.00016344 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
110% over limit
Discharged 0.00009534 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Acrylamide
3900% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
2400% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Acrylamide
2325% over limit
Discharged 0.0088076 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
3780% over limit
Discharged 0.0088076 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Acrylamide
3640% over limit
Discharged 0.0084898 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
2237% over limit
Discharged 0.0084898 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
33% over limit
Discharged 0.0001816 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Acrylamide
3500% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
2150% over limit
Discharged 0.008172 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Acrylamide
400% over limit
Discharged 0.001816 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
500% over limit
Discharged 0.002724 kg/d against a permitted limit of 0.000454 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
500% over limit
Discharged 0.0002724 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
167% over limit
Discharged 0.0003632 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
700% over limit
Discharged 0.001816 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
144% over limit
Discharged 0.0009988 kg/d against a permitted limit of 0.0004086 kg/d (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2024
Cadmium, total [as Cd]
167% over limit
Discharged 0.0003632 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
8500% over limit
Discharged 0.019522 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
5275% over limit
Discharged 0.019522 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
700% over limit
Discharged 0.0003632 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Lead, total [as Pb]
322% over limit
Discharged 0.0017252 kg/d against a permitted limit of 0.0004086 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
700% over limit
Discharged 0.003632 kg/d against a permitted limit of 0.000454 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
740% over limit
Discharged 0.0019068 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
425% over limit
Discharged 0.0019068 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
2600% over limit
Discharged 0.0012258 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
1300% over limit
Discharged 0.0019068 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Acrylamide
11162691% over limit
Discharged 48 mg/L against a permitted limit of 0.00043 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
24233% over limit
Discharged 0.099426 kg/d against a permitted limit of 0.0004086 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Lead, total [as Pb]
54700% over limit
Discharged 0.248792 kg/d against a permitted limit of 0.000454 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
30% over limit
Discharged 0.00017706 kg/d against a permitted limit of 0.0001362 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
4624900% over limit
Discharged 16.79799986 kg/d against a permitted limit of 0.0003632 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
40% over limit
Discharged 0.07 mg/L against a permitted limit of 0.05 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
34% over limit
Discharged 0.005 mg/L against a permitted limit of 0.00373 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Acrylamide
7399900% over limit
Discharged 16.79799986 kg/d against a permitted limit of 0.000227 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Cadmium, total [as Cd]
70% over limit
Discharged 0.00007718 kg/d against a permitted limit of 0.0000454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Acrylamide
17142758% over limit
Discharged 48 mg/L against a permitted limit of 0.00028 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)