AUSTIN POWDER COMPANY
NPDES ID: OH0006173
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 compliance schedule violation, 3 single-event violations.
Violations
July 31, 2025
BOD, carbonaceous [5 day, 20 C]
68% over limit
Discharged 0.48 kg/d against a permitted limit of 0.285 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
2971% over limit
Discharged 3870 MPN/100mL against a permitted limit of 126 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
1263% over limit
Discharged 3870 MPN/100mL against a permitted limit of 284 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
13% over limit
Discharged 1.7 mg/L against a permitted limit of 1.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
133% over limit
Discharged 35 mg/L against a permitted limit of 15 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 12 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)