KNOLLWOOD SUBDIVISION WASTEWATER TREATMENT PLANT

NPDES ID: OH0151699

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: 8 effluent violations.

Violations

May 31, 2026

Solids, total suspended

100% over limit

Discharged 24 mg/L against a permitted limit of 12 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

36% over limit

Discharged 3 kg/d against a permitted limit of 2.2 kg/d (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

33% over limit

Discharged 24 mg/L against a permitted limit of 18 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

April 30, 2026

E. coli, MTEC-MF

752% over limit

Discharged 2419.6 MPN/100mL against a permitted limit of 284 MPN/100mL (WK GEOMN)

DMR, Limited - Numeric Violation

Solids, total suspended

207% over limit

Discharged 36.8 mg/L against a permitted limit of 12 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

104% over limit

Discharged 36.8 mg/L against a permitted limit of 18 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

224% over limit

Discharged 10.7 kg/d against a permitted limit of 3.3 kg/d (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

386% over limit

Discharged 10.7 kg/d against a permitted limit of 2.2 kg/d (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

222% over limit

Discharged 58 mg/L against a permitted limit of 18 mg/L (WKLY MAX)

DMR, Limited - Numeric Violation

Solids, total suspended

383% over limit

Discharged 58 mg/L against a permitted limit of 12 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)