UNION TOWN OF
NPDES ID: WV0024368
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: 8 effluent violations.
Violations
May 31, 2026
Zinc, total recoverable
18% over limit
Discharged 0.0978 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
47% over limit
Discharged 0.0129 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Copper, total recoverable
76% over limit
Discharged 0.03 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
241% over limit
Discharged 0.03 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
43% over limit
Discharged 4.85779996 kg/d against a permitted limit of 3.40499997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
135% over limit
Discharged 23.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
18% over limit
Discharged 23.5 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
41% over limit
Discharged 0.117 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Oil and grease, hexane extr method
132% over limit
Discharged 69.6 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
98% over limit
Discharged 496 mg/L against a permitted limit of 250 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Flow rate
1160% over limit
Discharged 0.00126 MGD against a permitted limit of 0.0001 MGD (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total recoverable
23% over limit
Discharged 0.0108 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, 5-day, 20 deg. C
30% over limit
Discharged 8.82575993 kg/d against a permitted limit of 6.80999994 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
159% over limit
Discharged 8.82575993 kg/d against a permitted limit of 3.40499997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
85% over limit
Discharged 37 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
270% over limit
Discharged 37 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
December 31, 2025
Oil and grease, hexane extr method
18% over limit
Discharged 35.4 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total recoverable
48% over limit
Discharged 0.013 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total recoverable
22% over limit
Discharged 0.0208 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
136% over limit
Discharged 0.0208 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
64% over limit
Discharged 0.136 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Flow rate
390% over limit
Discharged 0.00049 MGD against a permitted limit of 0.0001 MGD (DAILY MX)
DMR, Limited - Numeric Violation
Oil and grease, hexane extr method
1790% over limit
Discharged 567 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Zinc, total recoverable
20% over limit
Discharged 0.1 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
14% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Zinc, total recoverable
28% over limit
Discharged 0.106 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
6% over limit
Discharged 0.0093 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Zinc, total recoverable
67% over limit
Discharged 0.139 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Coliform, fecal general
200% over limit
Discharged 1200 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Copper, total recoverable
173% over limit
Discharged 0.024 mg/L against a permitted limit of 0.0088 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
57% over limit
Discharged 0.13 mg/L against a permitted limit of 0.083 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
41% over limit
Discharged 0.024 mg/L against a permitted limit of 0.017 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2024
Copper, total recoverable
38% over limit
Discharged 0.011 mg/L against a permitted limit of 0.008 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
49% over limit
Discharged 0.11 mg/L against a permitted limit of 0.074 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Oil and grease, hexane extr method
149% over limit
Discharged 74.8 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)