WAYNOKA REGIONAL W & SD
NPDES ID: OH0115771
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.
This quarter: 1 single-event violation.
Violations
February 28, 2026
Nitrogen, ammonia total [as N]
286% over limit
Discharged 10.8 mg/L against a permitted limit of 2.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
338% over limit
Discharged 18.4 mg/L against a permitted limit of 4.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
27% over limit
Discharged 19 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
39% over limit
Discharged 3.9 mg/L against a permitted limit of 2.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
124% over limit
Discharged 9.4 mg/L against a permitted limit of 4.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
191% over limit
Discharged 6.7 mg/L against a permitted limit of 2.3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
167% over limit
Discharged 4 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
20% over limit
Discharged 1.8 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
35% over limit
Discharged 3.1 mg/L against a permitted limit of 2.3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
February 28, 2025
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
December 31, 2024
Nitrogen, ammonia total [as N]
136% over limit
Discharged 9.9 mg/L against a permitted limit of 4.2 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
82% over limit
Discharged 5.1 mg/L against a permitted limit of 2.8 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (6 days ago)