BUFFALO, CITY OF STP
NPDES ID: IA0020800
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: 6 effluent violations.
Violations
June 30, 2026
Solids, total suspended
73% over limit
Discharged 78 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
105% over limit
Discharged 139.71523003 kg/d against a permitted limit of 68.09999943 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
180% over limit
Discharged 286.1806228 kg/d against a permitted limit of 102.14999914 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
48% over limit
Discharged 44.375 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
May 31, 2026
Solids, total suspended
67% over limit
Discharged 75 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
56% over limit
Discharged 46.75 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
110% over limit
Discharged 63 mg/L against a permitted limit of 30 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
178% over limit
Discharged 125 mg/L against a permitted limit of 45 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
199% over limit
Discharged 305.27527243 kg/d against a permitted limit of 102.14999914 kg/d (7 DA AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
75% over limit
Discharged 119.0578216 kg/d against a permitted limit of 68.09999943 kg/d (30DA AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (7 hours ago)