MAYFLOWER ESTATES WWTP
NPDES ID: OH0025623
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: 9 effluent violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
32% over limit
Discharged 1.45 mg/L against a permitted limit of 1.1 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
May 31, 2026
BOD, carbonaceous [5 day, 20 C]
427% over limit
Discharged 24 kg/d against a permitted limit of 4.55 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
154% over limit
Discharged 7.7 kg/d against a permitted limit of 3.03 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
100% over limit
Discharged 30 mg/L against a permitted limit of 15 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 11 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
800% over limit
Discharged 162 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
196% over limit
Discharged 35.5 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
2226% over limit
Discharged 127 kg/d against a permitted limit of 5.46 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
609% over limit
Discharged 25.8 kg/d against a permitted limit of 3.64 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, total suspended
398% over limit
Discharged 89.7 mg/L against a permitted limit of 18 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
1426% over limit
Discharged 83.3 kg/d against a permitted limit of 5.46 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
219% over limit
Discharged 11.6 kg/d against a permitted limit of 3.64 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
45% over limit
Discharged 17.4 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
82% over limit
Discharged 5.45 mg/L against a permitted limit of 3 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)