HENRY F. LAMUTH MIDDLE SCHOOL
NPDES ID: OH0134716
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Nitrogen, ammonia total [as N]
186% over limit
Discharged 8.57 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
224% over limit
Discharged 14.6 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
1430% over limit
Discharged 45.9 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
461% over limit
Discharged 1.15 kg/d against a permitted limit of 0.205 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
739% over limit
Discharged 1.15 kg/d against a permitted limit of 0.137 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
920% over limit
Discharged 45.9 mg/L against a permitted limit of 4.5 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
2% over limit
Discharged 0.209 kg/d against a permitted limit of 0.205 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
53% over limit
Discharged 0.209 kg/d against a permitted limit of 0.137 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
11% over limit
Discharged 3.33 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)