LOGAN COUNTY PSD
NPDES ID: WV0105171
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
Nitrogen, ammonia total [as N]
0% over limit
Discharged 25.2 mg/L against a permitted limit of 25.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
288% over limit
Discharged 1550 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
59% over limit
Discharged 19.9 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
21% over limit
Discharged 30.4 mg/L against a permitted limit of 25.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
95% over limit
Discharged 24.38 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
162% over limit
Discharged 524 MPN/100mL against a permitted limit of 200 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
Coliform, fecal general
505% over limit
Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
15% over limit
Discharged 14.34 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
30% over limit
Discharged 16.23 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Toxicity [chronic], Ceriodaphnia dubia
104% over limit
Discharged 16.7 toxic against a permitted limit of 8.2 toxic (DAILY MX)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
307% over limit
Discharged 16.7 toxic against a permitted limit of 4.1 toxic (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
6% over limit
Discharged 26.6 mg/L against a permitted limit of 25.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Toxicity [chronic], Ceriodaphnia dubia
307% over limit
Discharged 16.7 toxic against a permitted limit of 4.1 toxic (MO AVG)
DMR, Limited - Numeric Violation
Toxicity [chronic], Ceriodaphnia dubia
104% over limit
Discharged 16.7 toxic against a permitted limit of 8.2 toxic (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
15% over limit
Discharged 14.41 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
35% over limit
Discharged 33.9 mg/L against a permitted limit of 25.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
39% over limit
Discharged 17.4 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
15% over limit
Discharged 14.38 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Chromium, hexavalent [as Cr]
320% over limit
Discharged 0.126 mg/L against a permitted limit of 0.03 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
18% over limit
Discharged 29.7 mg/L against a permitted limit of 25.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
398% over limit
Discharged 1990 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
24% over limit
Discharged 15.53 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Mercury, total [as Hg]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
80% over limit
Discharged 22.53 mg/L against a permitted limit of 12.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
9% over limit
Discharged 27.4 mg/L against a permitted limit of 25.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0.00003 mg/L (DAILY MX)
DMR, Limited - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
January 31, 2025
Coliform, fecal general
505% over limit
Discharged 2420 MPN/100mL against a permitted limit of 400 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Cyanide, weak acid, dissociable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Cyanide, weak acid, dissociable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)