SYCAMORE WWTP
NPDES ID: OH0021989
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
Violations
March 31, 2026
Nitrogen, ammonia total [as N]
4% over limit
Discharged 4.66 mg/L against a permitted limit of 4.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 13.6 mg/L against a permitted limit of 6.8 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
451% over limit
Discharged 37.5 mg/L against a permitted limit of 6.8 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
540% over limit
Discharged 28.8 mg/L against a permitted limit of 4.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
103% over limit
Discharged 5.48 kg/d against a permitted limit of 2.7 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
180% over limit
Discharged 11.5 kg/d against a permitted limit of 4.1 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
October 31, 2025
E. coli, MTEC-MF
752% over limit
Discharged 2420 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
1024% over limit
Discharged 1416 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
May 31, 2025
E. coli, MTEC-MF
26% over limit
Discharged 159 MPN/100mL against a permitted limit of 126 MPN/100mL (MO GEOMN)
DMR, Limited - Numeric Violation
E. coli, MTEC-MF
29% over limit
Discharged 366 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
3% over limit
Discharged 7.02 mg/L against a permitted limit of 6.8 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 6.83 mg/L against a permitted limit of 6.8 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (25 days ago)