KEYSTONE PROFILES LTD BEAVER FALLS PLANT
NPDES ID: PA0014311
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 1 single-event violation.
Violations
March 31, 2026
Solids, total suspended
24% over limit
Discharged 0.80357999 kg/d against a permitted limit of 0.64921999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Zinc, total [as Zn]
51% over limit
Discharged 0.92 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
18% over limit
Discharged 0.46 mg/L against a permitted limit of 0.39 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
November 30, 2025
Nickel, total [as Ni]
41% over limit
Discharged 0.58 mg/L against a permitted limit of 0.41 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
254% over limit
Discharged 2.16 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
92% over limit
Discharged 0.75 mg/L against a permitted limit of 0.39 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Zinc, total [as Zn]
6% over limit
Discharged 0.024516 kg/d against a permitted limit of 0.023154 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
53% over limit
Discharged 0.011804 kg/d against a permitted limit of 0.007718 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nickel, total [as Ni]
27% over limit
Discharged 0.52 mg/L against a permitted limit of 0.41 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
26% over limit
Discharged 0.49 mg/L against a permitted limit of 0.39 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
85% over limit
Discharged 1.13 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nickel, total [as Ni]
11% over limit
Discharged 0.3 mg/L against a permitted limit of 0.27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nickel, total [as Ni]
34% over limit
Discharged 0.55 mg/L against a permitted limit of 0.41 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nickel, total [as Ni]
37% over limit
Discharged 0.37 mg/L against a permitted limit of 0.27 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
78% over limit
Discharged 0.041314 kg/d against a permitted limit of 0.023154 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
203% over limit
Discharged 1.18 mg/L against a permitted limit of 0.39 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
171% over limit
Discharged 0.020884 kg/d against a permitted limit of 0.007718 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
211% over limit
Discharged 1.9 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 9.2 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
51% over limit
Discharged 0.92 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
6% over limit
Discharged 5.3 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
2% over limit
Discharged 5.1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 9.8 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
Oil & Grease
12% over limit
Discharged 5.6 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
6% over limit
Discharged 5.3 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.007718 kg/d (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.023154 kg/d (DAILY MX)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.008172 kg/d (MO AVG)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 110 deg F (INST MAX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 1.51635999 kg/d (DAILY MX)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.017252 kg/d (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.024516 kg/d (DAILY MX)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.02724 kg/d (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.005448 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 0.64921999 kg/d (MO AVG)
DMR, Limited - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0 kg/d against a permitted limit of 0.010896 kg/d (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
March 31, 2025
Zinc, total [as Zn]
15% over limit
Discharged 0.7 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
79% over limit
Discharged 0.7 mg/L against a permitted limit of 0.39 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
pH
0% over limit
Discharged 9.3 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Numeric Violation
Oil & Grease
14% over limit
Discharged 5.7 mg/L against a permitted limit of 5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & Grease
2% over limit
Discharged 5.1 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Zinc, total [as Zn]
227% over limit
Discharged 0.075818 kg/d against a permitted limit of 0.023154 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
288% over limit
Discharged 0.029964 kg/d against a permitted limit of 0.007718 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
174% over limit
Discharged 1.07 mg/L against a permitted limit of 0.39 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
9% over limit
Discharged 0.70823999 kg/d against a permitted limit of 0.64921999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total [as Zn]
352% over limit
Discharged 2.76 mg/L against a permitted limit of 0.61 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)