ALLEGANY BALLISTICS LABORATORY (ABL)
NPDES ID: WV0020371
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 2 effluent violations.
Violations
April 30, 2026
Nitrogen, Kjeldahl, total [as N]
37% over limit
Discharged 49.2 mg/L against a permitted limit of 36 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
154% over limit
Discharged 45.8 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
11% over limit
Discharged 33.2 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
71% over limit
Discharged 30.83 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
8% over limit
Discharged 0.0151 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
121% over limit
Discharged 33.2 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, Kjeldahl, total [as N]
29% over limit
Discharged 46.6 mg/L against a permitted limit of 36 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
76% over limit
Discharged 31.62 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, Kjeldahl, total [as N]
39% over limit
Discharged 25 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
6% over limit
Discharged 38 mg/L against a permitted limit of 36 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Solids, total suspended
957% over limit
Discharged 2.54239998 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
250% over limit
Discharged 2.54239998 kg/d against a permitted limit of 0.72639999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
19% over limit
Discharged 25 mg/L against a permitted limit of 21 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
21% over limit
Discharged 0.034 mg/L against a permitted limit of 0.028 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
51% over limit
Discharged 0.0212 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
876% over limit
Discharged 2.34944998 kg/d against a permitted limit of 0.24062 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
223% over limit
Discharged 2.34944998 kg/d against a permitted limit of 0.72639999 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Phosphorus, total [as P]
25% over limit
Discharged 0.2856898 kg/d against a permitted limit of 0.2294 kg/d (ANNL TOT)
DMR, Limited - Numeric Violation
June 30, 2025
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
May 31, 2025
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
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.9 mg/L (MO AVG)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 15 deg F (DAILY MX)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1.2 mg/L (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
Solids, total suspended
175% over limit
Discharged 33 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.38 mg/L (MO AVG)
DMR, Limited - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 2.7 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
106% over limit
Discharged 33 mg/L against a permitted limit of 16 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
Temperature, water deg. fahrenheit
0% over limit
Discharged 0 deg F against a permitted limit of 0 deg F (DAILY MX)
DMR, Monitor Only - Overdue
April 30, 2025
Copper, total recoverable
136% over limit
Discharged 0.066 mg/L against a permitted limit of 0.028 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
371% over limit
Discharged 0.066 mg/L against a permitted limit of 0.014 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
139% over limit
Discharged 35.8 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
19% over limit
Discharged 35.8 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Perchlorate [ClO4]
197% over limit
Discharged 0.0445 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Perchlorate [ClO4]
11% over limit
Discharged 0.0445 mg/L against a permitted limit of 0.04 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Perchlorate [ClO4]
309% over limit
Discharged 0.0613 mg/L against a permitted limit of 0.015 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Perchlorate [ClO4]
440% over limit
Discharged 0.29700001 mg/L against a permitted limit of 0.055 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)