TRI-CITIES NORTH REGIONAL WW AUTHORITY
NPDES ID: OH0049646
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: 20 effluent violations.
Violations
June 30, 2026
Solids, total suspended
11% over limit
Discharged 20 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 29 mg/L against a permitted limit of 27 mg/L (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
31% over limit
Discharged 1500 kg/d against a permitted limit of 1146 kg/d (WKLY MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 840 kg/d against a permitted limit of 763 kg/d (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
57% over limit
Discharged 99.8 kg/d against a permitted limit of 63.6 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
111% over limit
Discharged 38 mg/L against a permitted limit of 18 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)