HOUSTON HALL
NPDES ID: OH0126110
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: 5 effluent violations, 2 single-event violations.
Violations
June 30, 2026
BOD, carbonaceous [5 day, 20 C]
167% over limit
Discharged 40 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
111% over limit
Discharged 38 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
217% over limit
Discharged 38 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
300% over limit
Discharged 40 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
11% over limit
Discharged 0.021 kg/d against a permitted limit of 0.019 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
433% over limit
Discharged 96 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (6 days ago)